T H E A. CHASTON CHAPMAN F.I.C. CECIL H. CRIBB B.Sc. F.I.C. ANALYST: ARTHUR R. LING F.I.C. P. A. ELLIS RICHARDS F.I.C. THE ORGAN OF THE Society of Public Analysts and other Analytical Chemists A MONTHLY JOURNAL DEVOTED TO T H E ADVANCEMENT OF ANALYTICAL CHEMISTRY PubItcatfon Committee : Ebftor JULIAN L. BAKER F.I.C. Zibetractors : J. F. BRIGGS A.C.G.I. H. F. E. HULTON F.I.C. G. C. JONES A.C.G.I. F.I.C. 1 C. A. MITCHELL M.A. F.I.C. W. P. SKERTCHLY F.I.C. VOL. XLII. 1 9 1 7 TRADE AGENTS : SIMPKIN MARSHALL HAMILTON KENT i?j CO. LTD. I917 2 4 6 8 ORANGE STREET LONDON S.W INDEX TO VOLUME XLII. INDEX OF NAMES. Abrams D. A. and Htrrder 0. E. organic impurities in sands 217. Ackermann E. Adams J. R. Adler L. Adler L. and Liiers H. Aita A.Anderson Q. W. Anderson H. S. Anderson R. P. Anderson R. P. Angeli A. Yyrrole Black 88. Arpin -. Alkalinity of cocoa 174. Arup P. S. Huish H. C. and Richmond H. D. Aschman O. Jun. Atki- W. R. Q. The analysis of honey and other substances containing I~vulose 12. Atkins W. R. 0. Averitt S. D. Estimation of strontium and lithium in water 345. Colorimetric test for the determination of Analysis of milk 328. See Kelley G. L. Adanis J. R. and Wiley J. ,4. Estimation of ammonia by the boric acid method 51. Interferometer in the Brewery Laboratorj- 00. Solubility of mineral phosphates and superphosphates in dilute mineral and organic acids 312. Detecthion of hgdrocyanic acid 178. See Wilkie J. M. and Anderson HI. S. Estimation of gmoline vapour in air 215.Reagents for use in gas analysis. V. Relative advantages of sodium and potassium hydroxides in preparation of alkaline pyrogallol 27. The composition of milk 118. Estimation of boron in boron-steel 54. See Wilson E. G. and Atkins W. R. G. Bach A. Bagshawe C. R. Bailey E. G. Baker J. L. and Hultm H. F. E. Baker J. L. and Hulton H. F. E. Balcom E. W. Volatile reducing substance in cider vinegar 142. Barab J. Barbieri N. A. Non-Existence of lecithin in egg-yolk 204. Barker J. P. Barker M. F. See Fox J. J. and Barker M. F. Barnebey 0. L. 11. Titration of chromic acid in presence of ferric iron and estimation of chromium in chrornite 250. Barnebey 0. L. and Bishop Q. 116. A4nalysis of pyrolusite and other oxidised manganese ores 313.Barnebey 0. L. and Hawes W.C. 111. Estimation of available oxygen in soluble and precipitated oxidised forms of mangmase 251. Banrebey 0. L. See Dales B. and Barnebey 0. L. Barnes J. H. Mineral constituents of cotton lint 50. Baumann C. and Grosafeld J. Polarimetric estimation of starch in the presence of dher optica1l;v active substances 218 and 365. Baxter 0. P. and Kobayashi M. Estimation of potassium as perchlorake 155. Reactions of peroxidase purified by ultrafiltration 18. SeeElsdon G . D. andBagshawe C. R. Interpretation of coal analysis 145. Analytical examination of acorns and horse Evidence of the existence in malt of an enzyme chestnuts 351 383. hydrolysing the furfuroids of barley 143. See Cope W. C. and Barab J. Estimation of carbonates 367.Differential Iodimetry. Differential 1odimetr.y iv INDEX TO VOLUME XLII. Baxter G. p. and Starkweather H. W. Bedl 0. D. and Okey R. Beals C. L. and Lindsey J. B. Beckett E. 0. Behrman A. S. Benson H. K. and Davis L. L. Berg R. Biazzo R. and Vigdorcik S. Biazzo R. and Vigdorcik S. Bichowsky F R. Von. Bigelow W. D. and Dunbar P. B. Bishop 0. M. Blumenthal P. L. Peter A. M. Healey D. J. and Gott E. J. Boekhout F. W. J. and Vries 5. J. 0. de. Bolton E. R. and Hewer D. 0. Bonis A. Boswell P. Q. H. Harwood H. F. and Eldridge A. A. Boudet J. See Nicolardot P. and Boudet J. Bougault J. Estimation of antipyrine 276. Bougault J. New method for the estimation of aldose sugars 307. Brandt R. See Sieverts A. and Brandt R. Brauer K. Water-Content of margarines prepared from hydrogenated fats 49.Brewer G. See Radford N. and Brewer G. Brill H. C. Fermentation of Philippine cacao 389. Broderson H. J. Broeksmit T. C. N. Browning K. C. Detection of traces of mercury salts for toxicdogicaI pur-poses 210. Browning K. C. and Paxthasarathy M. Browning K. C. and Symons C. T. Browning P. E. Introduction to the Rarer Elements (Review) 322. Browning P. E. and Porter L. E. gaIliurn 402. Browning P. E. and Spencer S. R. tional crystallisation of their alums $5. Browning Po E. Simpson G. S. and Porter L. E. detection of iron thallium zirconium and titanium 54. Browning P. E. Simpson 0. S. and Porter L E. detection of tellurium and arsenic 53. Bruce J. X. and Dilling W. J. BruckmiUw F. W. BUT A.BuSvold X. Cmnot A. Cobaltio ammonium molydate tungstate and vanadate. Estimation Cavazxi A= Efliciency o€ calcium chloride sodium Qualitative identification of the drugs containing Chemical composition digestibility and feeding hydroxide and potassium hydroxide as drying agents 26. Emodin 203. value of vegetable ivory med 48. Laboratory gas meter 157. Blacher Method for the estimation of hardness in water 403. Free carbon of wood-tar pitches 212. Estimation of small quantities of iron and aluminium (in foods etc.) 182-Detection of arachis oil in olive oil 85. Detection of rape oil in olive oil 86. Electrometric titration of zinc 346. Acid contents of fruits 357. See Barnebey 0. L. and Bishop G. M. Method of incin-Duclaus’s Method for the estimation erating organic materials for the estimation of potassium 372.of volatile fatty acids 149. Brazilian oilseeds 35. Detection and estimation of saccharin in alimentary substances 303. British sands suitable for glass -making 313. See Lernp J. F. and Broderson H. J. Detection of citric acid and tartaric acid 357. Note on ghee 141. Coconut toddy in Ceylon 46. Qualitative separation and detectior; of Separation of caesium and rubidium by frac-Qualitative separation and Qualitative separation and Materia Medica and Therapeutics (Review) 64. Titration of magnesium 251. and a rapid method for the estimation of hvdrogen peroxide 181. Volumetric analysis of hypochlorite solutions used for sterilising water, Rapid method for the estimation of magnesium 182.and separation of cobalt 285. Estimation of phosphorui in cast iroc 371 INDEX TO VOLUME XLII. V Cavazzi A. Chamot E. M. and Sherwood C. M. the bacferiological examination of water. media 331. Chapman A. C. Chapman A. C. Chapman A. C. Chapman A. C. Christie A. W. Christman R. E. Clark W. B. Clark W. AQ. and Lubs H. A. Clemente A. Clennell J. E. Clowes P. and Coleman J. B. Elementary Practical Chemistry. Part 11.: Coleman J. B. Collins S. H. Colver E. de W. S. and Prideaux E. B. R. Conno E. De. Cope W. C. and Barab J. Coste J. H. Coste J. H. 168. Coste J. H. Crawford C. W. Cmwther C. and Raistrick H. Cumming A. C. and Kay S. A. Curtman L. J. and H-s B. R. Curtmsn L- J. and H a s B. R. Solubility of calcium carbonate in boiling water 368.Studies on the culture media employed in IV. Neutrad red lactose peptone Colouring matter of red Torulae 143. On the natural occurrence in certain fish-liver oils of high percent-Some main lines of advance in the domain of modern analytical Spinacene A new hydrocarbon from certain fish-liver oils 141. ages of hydrocarbons 161. chemistry 229. See Gray G. P. and Christie A. W. See Ware E. E. and Christman R. E. Sampling Press 374. See Keise G. W. and Clemente A. Analysis of aluminium dust 219. See Clowes F. and Coleman J. B. Substitute for litmus for use in milk cultures 331. Analytical Chemistry Qualitative and Quantitat-ive (Review) 65. Analysis of acetate of lime 152. Action of aromatic amines on fatty acids 213.Stannous chloride reduction method for estimating nitrotoluenes 247. substances used in explosives 216. " Nitron " as a gravimetric reagent for analysis of Absorption of atmospheric gases by water 341. Note on the inflammability of petroleum spirit at low temperatures, Notes on jets for burettes 385. See Francis C. K. and Crawford C. \V. Comparative study of the proteins of the colostrum Textbook of Quantitative Chemical Analysis Inadequacy of the basic ferric acetate test for Interference of thiocyanates ferrocyanides and and milk of the cow and their relations to serum proteins 17. (Review) 112. acetates 342. ferricyanides in the detection of iodides with palladium 156. D D D D )ales B. and Barnebey 0. L. lavid -. )avid -. hvis E. S.Wis L. L. bay F. W. P. 161~1 E. W. Mhourdeaux L. bhn W. M. bnfg68 a. b-bs a. benigh? a. bj11h@. Wa J. tinwiddie J . G. Elementary Qualitative -!nalysis (Review) 30. Estimation of ozone 183. Estimation of ozone (in air) 944. See Richards T. W. and Davis H. S. See Benson H. K. and Davis L. L. See Eaton B. J. and Day F. W. F. Testing of motor gasoline 333. Estimation of theobromine 244. Fallacies in Colorimetry 348. Differentiation of the two naphtliols bv means of titanic acid dissolved Microchemical reaction of t-he perchloric ion 311. Sensitive reaction for hvdroqen peroxide 403. in sulphuric acid 26. See Bruce J. If and Dillinc. W. J. Estima.tion of fluorine in soluble flnot.ides 93 a i d 181 vi INDEX TO VOLUME XLII. Doisy E. A.Donaldson R. tions 245. Dover M. V. and Marden J. W. desiccants 348. Dover 1vI. V. Downs C. R. Dox A. W. and Lamb A. R. DOX A. W. and Plaisance 0. P. DOX A. W. and Pldsance G. PI Occurrence and significance of mannitol in silage 394. DOX A. W. and Roark 0. W. Jun. Determination of gelatinisation temperat’ures of starohes by means of an electrically-heated chamber on the microscope stage 221. Dreyer G. and Gardner A. D. General method of estimating the relative tu~bidity or opacity of fluid suspensions including bacterial emulsions 19. Drushel W. A, and Elston C. MI Quantitative estimation of small quantities of sulphide sulphur 58. Dubreuil J. Dubrisay R. Dunbar P. B. Durand H. Duvall D. H. Dyer D. C. See Folin O. and Doisy E. A. Detection of protozoal cysts in faeces by means of wet shined prepara-Comparison of the efficiency of some common See Marden J.W. and Dover ill. V. See Weiss J. M. and Downs C. R. Accurate aeration method for the estimabion of alcohol in fermentation mixtures 46. Estimation of vanillin in vanilla extract 17. See Tribondeau L. and Dubreuil J. Examination of lubricating oils 363. Detection of added water in milk 302. See Bigelow W. D. and Dunbar I?. R. Determination of light oils in coal gas arid description of still for separating the light oils from the absorbing oil 50. Method of steam distillation for the determination of volatile fatty acids including a series of colorimetric qualitative reactions for tlheir identifica-tion 149. Eaton B. J. and Day F.W. F. Estimation of free and combined sulphur in vulcanised rubber and the rate of combination of sulphur with different types of plantation Para rubber 91. Eckles C. X. and Palmer L. S. Effects of feeding cottonseed products on the composition and properties of butter 389. Eldridge A. A. See Boswell P. G. H. Harwood H. F. and Eldridge *4. A. Elsdon 0. D. A combined Reichert-Polenske and modified Shrewsbury-Knapp Process 295. Elsdon G. D. The differentiation of coconut oil and palm-kernel oil in mix-tures 298. Elsdon a. D. and Bagshawe C. R. The Shrewsbur-y and Knapp Process for the estimation of coconut oil 72. Elston 0. 116. See Drushel W. A and Elston C. RI. Embrey 0. Some experiences in the use of copper sulphate in the destruction of Alga 264. Emslander R.Gasometric estimation of amino-nitrogen in worts extracts etc. 150. Ensollo Re SpOn E. and Spon F. N. Raylep’s Chemists’ Pocket Book (Review) 319. Entat Bb. Ericson E. J. iodimetrically 346. Estes C. 208. EvenSon 0. L. tion of total solids in evaporated milk 302. Ewins A. J. See Vulquin E. and Entat M. Separatlion of zinc from cadmium and estimation of cadmium Qualitative test m d colorimetric method for the estimation of vanillin, Correction required in applying the Babcock formula to the estima-Estimation of arsenic in orgmic compollnds 50 INDEX TO VOLUME XLII. vii Fahrenwald F. A. Fafciola P. Fegeley W. H. Fellenberg T. Von. Fellers C. R. Ferguson A. A. Perguson J. B. Fielding L. E. Folin O. and Doisy E. A. Impure picric acid as a source of error in creatine and Fonzes-Diacon -.Forbes E. B. Mangels C. E. and Morgan L. E. Methods for the estimation of metabolic nitrogen 397. FOX J. J. and Barker M. F. Estimation of phenol in commercial cresylic acid, 329. Francis (3. K. and Crawford C. W. Detection and estimation of sulphur in petroleum 283. Francis C. K. and Morgan D. 0. Estimation of fat in cerbain milk products 391. Francois M. Analysis of acetvlsalicylic acid (aspirin) 203. Francois M. Estimation of antipyrine 178. Frerichs G. and Xannheim E. Estimation of dextrose 363. Fry W. H. See Shorey E. C. and Fry W. H. Xew alloys to replace platinum 347. Estimation of free carbon in coal-tar 246. See Lee R. E. Fegely W. H. and Reichel 3’. H. Direct method for the estimation of starch 279.Analyses purification and chemical properties of agar-agar 49. See Tingle A. and Ferguson A. A. Iodimetric estimation of sulphur dioxide and sulphites 220. See Peters C A and Fielding L. E. creatinine estimations 149. Sublimed sulphur and its adulteration 57. Gadamer J. and Laske K. Gsrrdner A. I). Gattermann L. and Schindhelm H. Gericke W. F. Gewecke J. Gill A. H. Gill A. H. Gillespie L. J. and WaIters E. H. Gnadinger C. B. Estimation of saccharin in foods 304. GoSS B. C. Gott E. J. Gottsch F. Gray 0. P. and Christie A. W. Boiling method for estimation of water-soluble Gregg E. T. Grey E. C. Grossfeld J. Guglialmelli L. Delicate test for dimethylaminophenyldirnethylisopyrazolone Uyzander C. R. Determination of explosibility of pyrites and estimation of its Biological examination of honey 361.See Dreyer G. and Gardner A. D. Nitrate estimations in the presence of chlorides 343. Removal of phosphoric acid by stannic Electro-Analysis using silvered glass basins in place of platinuin chloride 95. cathodes 255. Crampton-Simons Colour Test for palm oil 216. NotEes on oil testing 215. Duclaux Slethod for the estimation of volatile acids 399. by canned foods 208. Adsorption of tin by proteins and its relation to the solution of tin See Blumenthal P. L. Peter A. M. Healey D. J. and Gott E. J. See Klein 0. R. Link J. and Gottsch F. arsenic in lead amenate 53. Improved compensator for gas analysis 316. See Baumann C. and Grossfeld J. Estimation of succinic acid 335.(pyramidone) 47. available sulphur and sulphur in cinders 368. Haar A. W. Van Der. Estimation of free and combined galactose 23. Haft It. C. and SchwarZx E. H. Cobalti-Nitrite method for estimation of potash, 372. Haigh F. L. See Mixter W. G. and Haigh F. L . Vlll INDEX TO VOLUME XLII. Hale H. and Hartley W. L, Hall F. Hdl -. Hallett R. L. Hamburger H. J. Hankin E. H. Harder 0. E. Harned H. S. Harris B. R. Hart E. Hart E. B. and Sure B. hydrolysis of casein 90. Hart R. Hartley W. L. Harwmd H. F. Hawes W 0. Hawkins L. A. Hawley F. GI Haynes D. Healey D. J. Heise 0. W. and Clemente A. Heise G. W. and Clemente A. Hembrough E. Hendrickson A. V. Eerwig W. Hewer D. G. Hewer D. 0. Hewett J. Combustion methods for use in the laboratory (estimation of sulphur), 94.Hibbard P. L. Higgins H. L. and Marriatt W. M. Colorimetric method for the estimation of the carbon dioxide in air 92. Hillebrand W. F. Analytical Chemistry and its Future (Chandler Lecture, Columbia University U. S.A. ) 184. Hitchman F. 0. See Richmond H. D. and Hitchman F. G. Hollins C. Hubbard P. Hubbard W. S. Huish H. 0. Hulton H. F. E. Method of extraction as aflecting the estimation of phosphoric acid in soils 27. Vacuum-jacketed pycnometer for liquids 350. See Treadwell - and Hall -. Volumetric estimation of tin 28. Tests for certain narcotic and anaesthetic drugs 174. Titration of some bivalent metal sulyhates by the conductivity Quantitative estimation of small quantities of sulphate 57.See Abrams D. A . and Harder 0. E. method 155. See Curtman L. J. and Harris B. B. Preparation of sulphurous acid 222. L4nalysis of sulphonated oils 401. Influence of carbohydrates on the accuracy of the See Hale H.,and Hartley W. L. See Boswell P. G. €I. Harwood H. F. and Eldridge A. A. Utilisation of pentoses and pentosans by fungi 210. See Barnebey 0. L. and Hawes W. C. Estimation of silica in commercial analysis 315. See Schryver S. B. and Kaynea D. See Blumenthal P. L. Peter A4. hf. Healey D. J. and Gott E. J. Detinning and analysis of tin plate 345. Stripping and analysis of galvanised iron 342. See Richmond H. D. and Hembrough E. The Gas Chemists’ Summary 1915 (Review) 67. Estimation of chromium in ferrochrome 179. Note on orange-pip oil 271.See Bolton E. R. and Hewer D. G . Estimation of potash by t-he Lindo-Gladding Method 312. Application of the Gutzeit Test to Works’ estimations of arsenic 309. Laboratory Manual of Bituminous Materials for the Use of Students Identification of Emodin-containing drugs 277. See Amp P. S. Huish H. C. and Richmond H. D. in Highway Engineering (Review) 320. See Baker J. L. and Hulton H. F. E. Incxe G. Bsoglio U. IVBI~OV V. N. Urnailski V. A. Estimation of free alkali hydroxide in soap 140. Jamiwon Q. S. Estimation of molybdenum by potassium iodate 153. Jenmn E. E. Jones P. B. Jones 5. M. and Spa8ns W. Yellow mercuric oxide a,s a standard in alkalimetry 253. Oxidisability values of medicinal fats 301. New method of precipitating platinum sulphide and analysis of platinised asbestos 154.Estimation of strychnine in Nuz Vomica 16. See Spielmann P. E. and Jones F. B. Rapid volumetric estimation of indigo 23 INDEX TO VOLUME XLII. ix Justin-Mueller E. Justin-Blueller E, Estimation of total nitrogen 150. l’henolphthalein reagent for the detection of blood in urine 280. Karaoglanow Z. 249. Kay S. A. Keister J. T. Keller -. Kelley 0. L. Adams J. R. and Wiley J. A. Kemp A. R. Kinder H. estimation of phosphoric acid 287. Kithil K. L. Klein 0. H. Link J. and Gotttsch P. Kling M. Knorr E. S. See Wesson L. G. and Knorr E. S. Kobayashi 116. Kober P. A. Efficiency of the aeration method for distilling ammonia 52. Kober P. A. Improvements in the copper method for estimating amino-acids 281.Koch P. Estima,tion of chromium in ferro-chrome steel slags etc. bz the permanganate method 180 and 284. Kohn-Abrest -. Cyanogenetic beans 174. Krauskopf F. C. and Ritter G. Kuzirian S. B. Detection of calcium in the presence of barium and strontium, See Curriniing A. C. and Kay S. A. Estimation of fat in cacao powder 47. tion depending on the change of oxidation potential 373. See Lucas H. J. and Kemp A. R. Cryoscopic method for estimating added water in milk 392. Appara,tus for electrometric titra-Recovery of ammonium molybdate from the filtrates obtained in the Aniline method for the estirnahion of Estimakion of thorium and mesothorium in monazite 55. mineral fillers in rubber 216. New feeding-stuffs used in Germany during the war 356. See Baxter G.P. and Kobayashi IN. Detection of resorcinoI 15. Estimation of calcium in ash of forage plants and ariimal.car-cases 26. Lajoux H. and Ronnet L. Lamb A. R. Lamb A. R. Lapworth A. and Wykes F. H Part 11. Synthetic preparations of zingerone methylzingerone and some related acids 359. Lapworth A. Pearson L. K. and Royale F. A. Pungent principle of ginger. Part I. The chemical characters and decomposition products of Thresh’s “ Gingerol ” 358. Laske K. Lathrop E. C. Launoy L. 362. Lecocq R. Ledoux A. Lee R. E. Fegely W. H. and Reichel F. H. Lee R. E. and Mellon M. 0. Legendre R. Lemkes H. J. application to toxicology. phorus and arsenic 183. Lemp J. F. and Bmdermn E. J. 399. Lenher V. and Schultz M. P. Tables for the analysis of food substances containing sugar.Syrups swe4ets honey etc. 396. Note on the Duclaux Method for volatile fatty acids 214. See Dox A. W. and Lamb A. R. Pungent principles of ginger. See Gadamer J. and Laske K. Device for automatic and intermittent washing of precipitates 317. Sensibility of the general method‘of extraction of alkaloids from water, Rapid method of testing the suitability of oils for soap making 279. New method for determining the refractive index of liquids 185. Volumetric estimation of tin and Differentiation of Pasteurised milk from ram milk. phosphorus in phosphor-tin 345. I. Reductases 278. Estimation of bran in flour and bread 356. Detection of phosphorus by Dusart and Blondlot’s Metliod and its Preparation of pure zinc for the detection of plios-Estimation of halogens in organic compounds, Recovery of molybdenum residues 343 X INDEX TO VOLUME XLII.Lerowt H. Liberi (3. Lidstone F. M. Liepsner F. W. Lindsey 3. B. Link J. Linz A. Loewe L, Lubs H. A. Lucas H. J. and Kemp A. R. Liiers H. Lunge G. Lye 0. 0. Lyman J. A. and Reid E. E. Mabery C. F. 398. MacNider 0. M. 350. Mangels G. E. See Forbes E. B. Mangels C. E. and Morgan L. E. Mannheim E See Frerichs G. and Msnnheim E. Marden J. W. and Dover lK. V. Thermal values of oils and fats. Maurnen6 Value 401. Marden J. W. See Dover M. V. and Marden J. W. Marriott W. 116. Marsh 3. E. and Lye 0. 0. The quantitative estimation of mercury in organic-Marshall A. Explosives (Review) 259. VoI. II. (Review) 321.adasse R. and Leroux H. Estimation of phenol in tar oil phenols 212. Mathews J. H. Measurement of cryoscopic constants a t elevated temperatures, 317. McBride R. S. and Scherrer J. A. Reducing matter extractable from filter-paper 308. McCabe C. R. Analysis of antiinonial lead 309. McCowan W. See Twiss D. F. and McCowan W. McPherson A. T. Medofski S. See Radcliffe I;. G. and Medofski S. Meigs J. V. Action of sulphur monochloride on bituminous and tarry substances Mellon X. 0. See Lea R. E. and Mellon M. G. Merrywether J. E. Miller R. Estimation of milk-sugar in headache powders 243. Miller R. Estimation of novaspirin alone or when mixed with aspirin 243. Miller R. Est.imation of phenacetin when mixed with acetanilide 243. Mitchell C. A. Copying-Ink pencils and the examination of their pigments in Mixter W.G. and Haigh F. L. Penfield Test for carbon 220. xoir J. New applications of thymolphthalein and naphthophthale'in 248. Monnier A. Reactions for distinguishing between perchlorates periodates persul-phates percarbonates and perborates 93. Monnier A. Use of methylene blue 8s a reagent in chemical analysis. Application of the process to the detection and estimation of perchlorates in Chile salt-petre 51. See Masse R. and Leroux H. Mercurial visemimeter 187. See Reed J. B. and Liepsner F. W. I,. E. and Orthmannl A. C. Estimation of total sulphur in leather 151-Estimation of phosphorus in zinc phosphide 253. See Beals C. L. and Lindsey J. B. See Klein 0. H. Link J. and Gottsch F. Comparison of methods for the estimation of glycyrrhizin in liquorice root and in SUCCUS Liquiritk 359.Determination of ~ E E V U ~ S ~ in presence of dextrose 179. See Adler L. and Liiers 31. Coal-Tar and Ammonia (Review) 289. See Marsh J. E. and Lye 0. G. See Clark MT. M. and Lubs H. A. Estimation of silver in organic compounds 400. Identification of acids-II. 215 ; III. 332. Relations in compositipn of the different forms of natural bitumens, Determination of the viscosity of starch for mill purposes, 11. The See Higgins H. I,. and Marriott W. M. compounds 84. Granular calcium chloride as a drying agent 349. and hydrocarbon oils 332. See Richmond H. D. and Merrywether J. E. writing 3 INDEX TO VOLUME XLII. xi Moore B. Moore H. Morgan D. U. See Francis C. K. and Morgan D.G. Morgan L. E. See Forbes E. B. Mangels C. E. and Morgan L. E. Myers R. U. See Scott L. C. and Myers R. G. Nelson B. E. Direct microscopical counting of bacteria in water 209. Nesbitt 0. T. Estimation of manganese in high-speed steels 152. Neun D. E. Nichols M. S. Note 0x1 the phenolsulphonic acid method for nitrates in waters Nicolardot P. and Boudet J. Pgomura H. Pungent principles of ginger. Part I. A new ketone Zingerone Urinary test for trinitrotoluene (T.N.T.) Illness and the early diagnosis Spontaneous ignition temperatures of liquid fuels for internal combus-of cases suffering from trinitrotoluene absorption 89. tion engines 148. See Sherman H. C. and Neun D. E. containing much magnesium salts 344. (4-Hydroxy-3-methoxy-phenylethyl methyl ketone) occurring in ginger 357.Estimation of boric acid in special glasses 284. Oddo B. Ohlsson E. Okey R. Orthmann A. C. Estimation of nitrogen in explosives 400. See Beal G. D. and Okey R. Extraction of lactic acid for itts estimation 25. See Levi L. E. and Orthmann A. C . Palaxxo M. Palet L. P. 3. Palkin S. Separation of lithium from the other metals 54. Palmer H. E. See Phelps I. K. and Yahner H. E. Palmer L. S. See Eckles C. M. and Palmer L. S. Parthasarathy M. Partridge W. The detection of rose petals in blue pill 71. Pearson L. K. Peddle C. J. British glass-making sands The substitution of some British sands Perkins R. L. Peter A. M. See Blumenthal P. L. Peter A. M. Healey D. J. and Got.t, E. J. Peters C. A. and Fielding L.E. Oxalate-Iodide method for Paris-Green analysis, 56. Phelps E. B. and Shoub H. L. Estimation of nitrate in sewage by means of o-tdidine 369. Phelps I. K. and Palmer H. E. Separation and estimation of butgric acid in biological products 245. Phelps I. K. and Palmer H. E. The identification and estimation of lactic acid in biological products-I. 87. Philippi E. Chemical and physiological det?ection of several alkaloids in the same solution 177. Pickering S. U. Detergent action of soap 141. Plaisance G. P. Occurrence of Z-leucine in sweet clover silage 395. Plaisance G. P. See DOX A. W. and Plaisance G. P. Plum H. x. See Upson F. W. Plum H. M. and Schott Q . E. POOth P. Colour reactions of aromatic aldehydes 147. Porcher C. Analysis of desiccated milk 244.Pofier L. E. See Browning P. E. and Porter 1,. E. porter E. See also Browning P. E. Simpson G. S. and Porter L. E. Powell A. Estimation of small quantities of cobalt 180. Powell A. E. See Schoeller W. R. and Powell A. R. Italian oil of turpentine from Pinus Pinaster 177. Sensitive reaction for apomorphine 48. See Browning K. C. and Parthasarathy &I. See Lapworth A. Pearson L. I<. and Royale F. A. Estimation of alcohol and water in ether 281. for foreign sands in the manufacture of high-grade glass 287 xii INDEX TO VOLUME XLIL Pratt L. S. Frideaux E. B. R. Probeck E. J. PUlSifer H. B. Desiccator for drying by means of tl current of air 150. See Colver X. de W. S. and Prideaux E. H. I1. See Seaton M. X. Probeck E. J . and Sawyer G . €3. Estimation of sulphur in iron and steel 58, Radcliffe L.G. and Xedofski S. Badford N. and Brewer G). Raffo 316. Raistrick H. Rakshit J. N. Rammy A. A. Ramsey A. R. J. and Weston H. C. Rao B. S. Reed J. B. and Liepsner F. W. Reichel F. H. Reid E. E. Reid E. E. Reid E. E. Reid E. E. Reid E. E. Reid E. W. Retinger J. Richards E. H. Richards T. W. and Davis H. S. hprovements in calorimetric combustion The heat of combustion of toluene 220. Richardson F. W. Estimation of free sulpliuric nitrir 1)icric acids in the presence of each other 95. Richert T. D. Richmond H. D. Part I V . Yropionic butyric, valeric and caproic acids 125. Richmond H. D. Part V. Some applications of Duclaux 's Method 133. Richmond H. D. and Hembrough E. Bichmond H.D. and Hitchman F. 0. Httpid estimation of oil in malt and cod-Richmond H. g. and Merreywether J. E. l'lie rnpid estiination of tlie strength Richmond H. D. Ritter Q. Roark Ug W. Jun. Rocques M. X. Rocques X. Rolland -. Ronnet L. Rothschild S. Boyale F. A. Ruiter J. De. Examination of acetic anhydride 305. Note on the estimation of tkobroniine 274. Lipase in the seeds of Spartiurn jtiizceurn 240. See Crowther C. and Raistrick H. Titration and estimation of iiiorpliine with iodic acid 39%. Solubilit~ of cdcium phospliates in citric acid 311. Artificial Dyestuffs (Review) 378. See Usher F. L. and Rao B. S. By-Products of rice idling 393. See Lee R. E. Pegely W. H. and Reicllel l'. 13. Identification of acids 89. Identification of alcohols 306.Identification of phenols 151. See Lyman J. A . and Reid 8. E. See also Lyons E. and Reid l-3. E. Analysis of cast niclirome 286. Mechanism of the Ninliydrin Reaction 308. Dissolved oxygen in rain-water. 310. Fuller's earth and its valuation for tlie oil industry 340. Studies in Steam Distillation. Studies in Steam Distillation. Simple gas absorption apparatus 254. liver oil pre arations 176. of sulphuric acid 273, See Amp F. S. Huish 23. C . arid Richmond H. D. See Krauskopf F. C. and Ritter G. See Dox A. W, and Hoark G. W. Jun. Estimation of the alkalinity of cacaos and esamiiiution of added alkaline materials 391. Detection and estimation of added alkali ill coc'oti 173. See Thevenon - and Rolland -. See Lajoux H. and Ronnet I,.Estimation of nickel in the presence of zinc tmd iron 182. See Lapworth A Pearson L. K. aud Ropale F. A. Vit-amines and lipoids in butter and imrgariiie 13. Sacher J. F. Sacher 0. F. SaChs A. P. Sslkover B. Colloidal phenomenon as indicator in Quantitative Analysis 250. Separation of iron from lead 251. Estimation of nitrogen in nitro-compounds 36.3. Estima.tdon of salol and acetttnilide or of salol and plienacetin in their mixtures 16 - INDEX TO VOLUME XLII. X l l l Sanna A. Savage W. 0. Savini U. Savini 0. Sawyer G. B. Scherrer J. A. Schindhelm H. Schoeller W. R. and Powell A. R. Scholz H. A, and Wadstein P. J. Schorger A. W. Schorger A. W. Schorger A. W. Schott J. E. Schrauth W. Schryver S. B. and Haynes D. Schultz X.P. Schwartz E. H. Scott L C. and Myers R. GI total nitrogen in urine 304. Seaton M. N. Probeck E. J. and Sawyer 0. B. Control. 11. Viscosity of varnishes 308. Seeker A. F. Report on preservatives Formic acid 302. Sharpe J. S. Distribution of nitrogen in beer 360. Shaw J. A. Filter flask 374. Sheppard S. E. Sherman H. C. and Neun D. E. Sherwood (3. M. Shipley A. E. Shorey E. C. and Fry W. H. Shoub H. L. Shuey P. M. Sieverts A= and Brandt R. Simpson G. S. Smith F. See Waele A de and Smitli F. Smith G. M. and absorption v. higher-order compounds 318. Smith J. H. metric methods 253. Smith J. H. plafinum and nickel vessels 254. Smith Lo tion 90. Smith 0. C. Smith W- B-Spa=% w-Fermented milk products the “ Laben Raieb ” of Egypt and the The Bacteriological Examination of Food and Water (Review) 159.Estimation of sugars in tqhe presence of gum 86. Estimaiiion of theobromine and caffeine in cocoa and chocolate 84. See Seaton bill. N. Probeck E. J . and Sawyer G. B. See McBride R. S. and Schemer J. A. “ Miciuratu ” of Sardinia 15. See Gattermann L. and Schindhelm H. A. rapid method for estimating nickel and Rapid met-hod for estimation of wat*er-soluble I. Methods and results of analysis of some 11. Discussion of methods and results 338. cobalt in ores and alloys-Part I. 189. arsenic in lead arsenate 340. American species 336. Chemistry of wood. Chemistry of wood. Mannan content of the Gymnosperms 362. See Upson F. W. Plum HI. M. and Schott J. E. Importance of the Varrentrapp Reaction in fats and oils 91 and 179.Pectic substance of plants 144. See Lenher V. and Schultz M. P. See Haff R. C . and Schwartz E. H. Use of potassium persulphate in the estimation of Varnish Analysis and Varnish Measurement of absolute viscosity of ver- viscous media 316. Esamination of certain methods for the study of proteolytic action 18. See Chamot E. I f . and Sherwood C. M. Starch in Bracken Fern 144. Influence of calcite inclusions on the estimation of organic carbon in soils 332. See Phelps E . B. and Shoub K. I,. Pemberton Yolumetric Method for estimating phosphoric acid 287. Estimation of rare gases (Argon) 52. Contamination of precipitates in gravirnetric analysis Solid solution Estimation of phosphoric acid and (alkaline) phosphates by alkali-New acid sodium phosphate and its action on glass porcelain silica, Use of diphenylamine and diplienylbenzidine for colorimetric estima-Estimation of sugar in meat products particularly extracts 16.See Brom-ning P. E. Simpson G. S. and Porter L. E. Estimation of phosphorus pentoxide after citrate digestion 56. See Jones S. M. and Spaans W. (3. L- A Handbook for Cane-Sugar Manufacturers and their Chemists See Browning P. E. and Spencer S . R . (Review) 66. Spencer s xiv INDEX TO VOLUME XLII. Spica C L. Spielmann P. E. and Jones F. B. Span E. Spon F. N. Stansbie J. H. Starkweather H. W. Suchting H. Sure B. Swanson C. O. and Tague E. L. Nitrogen in amino form as estimated by formol titration in relation to some other factors measuring quality in wheat flour 175.Sweeney 0. R. Analysis of certain tungsten derivatives 59. Symons C. T. Detection of mercury in toxicological cases 397. See Ensollo R. Spon E. and Spon F. N. Andysis of some aluminium alloys 339. Estimation of xylene in solvent naphtha 248. See Ensollo R. Spon E. and Spon F. N. See Baxter G. P. and Starkweather H. W. New unit for the estimation of food values 327. See Hartp E. B. and Sure B. See Browning K. C. and Symons C. T. Tague E. L. Thevenon -? and Rolland -. Tilden W. A. Tingle A. and Ferguson A. A. Tookey W. A. Torossian G. Travers -. Travers -. Travers -. Treadwell - and Hall -. Analytical Chemistry. Vol. I. Qualitative Tribondeau L. and Dubreuil J. New microscopic stains derived from methylene See Swaneon C.O. and Tague E. L. Detection of blood in urine faxes and patho-Chemical Discovery and Invention in the Twentieth Century logical fluids 280. (Review) 223. Estimation of nicotine in tobacco 177. Composition of power gases 246. Solution of red lead 27. Estimation of manganese 343. Separation of tin and tungsten in stanniferous wolfram 404. Volumetric estimation of molybdenum and vanadium in steel 369. (Review) 256. blue 211. Tsakalotos D. E. Optical activity of essential oils from various species of Pine, 307. Tunmann 0. Turner W. A. Twiss D. F. and McCowan W. Twitchell E. &!Iicrochemical distinction of morphine from codeine 48. Separation of vanadium from pliosphoric and arsenic acids and from uranium 60. Modified Soslilet extractor 318.Composition of Jlenhaden Oil fattj- acids 334. Uchida S. Some fatty oils 21. Upson F. W. Plum H. M. and Schott J. E. Usher F. L. and Rao B. S. Yuclaus Method for the estimation Determination of ozone and oxides of nitrogen in the of the volatile fatty acids 214. atmosphere 370. Van Der Haar A. W. Estimation of free and combined galactose 23. Vigdmcik S. Vigreux -. Movable condenser 184. Vries J. J. 0. de. Vulquin E. and Entat 116. in the presence of sulphates 221. See Biazzo R. and Vigdorcik S. See Boekhout F. W. Q. and Vries J. J. 0. de. Estimat"ion of small quantities of free sulphuric acid Waele A. de and Smith F. 170. WahI A. Waldstein P. 3. Determination of volat'ile " thinners " in oil varnishes, Action of solvents on coal 282.See Scholz H. A4. and Waldstnin P. J INDEX TO VOLUME XLII. xv Walker H. S, Walters E. H. Ward T. J. 326. Ware E. E. and Christman R. E. boiled oils and varnishes 21. Watkin H, Webster J. 226. Weiss J. M. and Downs C. R. tar oils 330. Wells A. H. Wesson L. G. and Knorr E. S. Weston H. G. White J. S. Physiologicd and chemical valuation of adrenaline solutions 143. Whiteley J. H. Eggertz Test for combined carbon in steel 366. Wiley J. A. See Kelley G. L. Adams J. R. and Wiley J. A. Wilhelm 0. Examination of milk 328. Wilkie 3. M. The estimation of unsaponifiable matter in oils fats and waxes 200. Wilkie J. M. and Anderson H. S. Willaman J. J. Modification of the Pratt Method for estimation of citric acid 20. Wilson E.G. and Atkins W. R. 0. Methods for the estimation of mixtures of Winkler L. W. Winkler L. W. Wise L. E. Simplified micro-combustion method for determination or carbon and Witt J. C. Testing galvanised iron 342. Wdff -. Biochemical reactions for distinguishing pyrocatecliol quinol and Wykes F. H. Simplified inversion process for the determination of cane-sugar by Treatment of corks used in Soxhlet and other extraction apparatus, Errors in the estimation of acid values of double polarisation 276. See Gillespie Z. J. and Walters E. H. Chemical laboratory porcelain 349. Opium-Poisoning Detection of morphine in acute and chronic cases, Estimation of phenol in crude carbolic acid and Possibilities of Gulaman Dagat as a substitute for gelatin in food 391.Wet combustion in the nitrosite combustion method for the direct estimation of rubber 217. See Ramsey A. R. J. and Weston H. C. Soluble filters and fikering media 186. four or more carbohydrates involving oxidation with bromine 19. Bromine content of German potash salts 373. Eshimation of hydrogen sulphide in water 26. hydrogen 404. resorcinol 280. See Lapworth A. and Wykes F. H xvi INDEX TO VOLUME xm. INDEX OF SUBJECTS. Absorbing Oil Still for separating the light oils from the -; Determination of Abstracts of Papers Published in Other Journals-1917 13 46,84,140,173,189,243, Acetanilide Phenacetin when mixed with -; Estimation of. Acetanilide Salol and - or of salol and phenacetin in their mixtures ; Estima-Acetate of Lime Analysis of -. - S. H.Collins 152. Acetates Basic ferric acetate test for - ; Inadequacy of the. L. J. Curtman and Acetic Aaydride Examination of -. Acetylsalicylic Acid - (Aspirin) ; Analysis of. Acid Content Fruits; - of. Acid Sodium Phosphate Glass porcelain silica platinum and nickel vessels ; Sew light oils in coal gas and description of. 276 301 327 356 389. D. H. Duvall 50. R. Miller 243. tion of. B. Salkover 16. B. R. Harris 342. L. G. Radcliffe and S. Medofski 305. M. Franqois 203. W. D. Bigelow and P. B. Dunbar 357. and its action on. J. H. Smith 254. Acid Values Boiled oils and varnishes ; Errors in the estimation of the - of * E. E. Ware and R. E. Christman 21. Acids IdentScation of -. Acids Identification of -. 11. Acorns - and horse chestm1t.s ; Analytical examination of.H. F. E. Hulton 351 381. Address President ; Annual - of the. Adrenaline Solutions Physiological and chemical valuation of -. J. S. VI%ite, Aeration Method &ohol in fermentation mixtures ; Accurate - for the estima-Aeration Method Ammonia; Efficiency of the - for distilling. P. -4. Kober 52, Agar-Agar A4nalyses purification and chemical properties of -. C. R. Fellers, Air Carbon dioxide in -; Colorimetric nietliod for the estimation of the. H. L-Air Desiccator for drving by means of a current of -. Air Gasoline vapour in -; Estimation of. Air Ozone (in air) ; Estimation of. David 344. Alcohol Etther; Estimahion of - and water in. Alcohd Fermentation mixtures ; Accurate aeration metthod for the estimation of A. W. Dox and A.R. Lamb 46. Alcohols Identification of -. E. E. Reid 306. Aldehydes -4rornat.i~ -; Colour reactions of. Aldose Sugars Estimation of - ; New method for the. Algae Copper sulphate in the destruction of - ; Some experiences in the use of-Alimentsry Substances Saccharin in -; Det-eckion and estimation of. A. Bonis, Alkali Cocoa ; Detection and Estimation of added - in. Alkali Hydroxide Soap; Estimation of free - in. Alkali Metals Lithium from the other -; Separation of. E. 33. Reid 89. J. A. Lyman and E. E. Reid 215 ; 111. 332. J. L. Baker and 115. 143. tion of. 8 W. Dox and A. R. Lamb 46. 49. Higgins and W. Ill. Marrioth 92. L. S. Pratt 156. R. P. Anderson 215. R. 1,. Perkins 281. - in. P. Pooth 147. J. Bougault 307. G. Embrey 264. 303.X. Rocques 173. S. Palkin 54. V. A. Izmailski 14k? IXUEX TO VOLUME XLII. XVll Alkalimetric Methods Phosplioric acid and (alkaline) pliospliates by - ; Estima-Alkalimetry Standard in -; Yellow mercuric oxide as a. Alkaline Materials Alkalinity of cacaos and examination of added - ; Estimation of the. Alkaline Pyrogallol Gas analysis ; Reagents for use in. V. Relative advantages of sodium and potassium hydroxides in preparation of -. R. Y. Anderson 27. Alkalinity Cacaos ; Estimation of the - of and examination of added alkaline materials. M. X. Rocques 391. Alkalinity Cocoa; - of. Alkaloids Extraction of - from water; Sensibility of the general inetliod of. L. Launoy 362. Alkaloids Several - in the same solution ; Chemicai and physiological detection of.E. Philippi 177. . Alloys Aluminium -; Analysis of some. Alloys Nickel and cobalt in ores and -; -4 ra;pid method for estimating-Part I. W. R. Schoeller and A. R. Powell 189. Alloys Platinum ; New - to replace. Aluminium Alloys Analysis of some -Aluminium Dust Analysis of -. Aluminium Iron and - (in foods etc.) ; Estimation of small quantities of. A l m s Csesium and rubidium by fractional crystallisation of their - ; Separation Amines Aromatic - on fatty acids; Action of. Amino-Acids Copper method for estimating -; Improvements in tlte P. A. Amino Form Nitrogen in - as estimated by formol titration in relation to some C. 0. Swanson arid E. 1,. R. Ems-tion of. J. H. Smith 253. G. Incze 253. M. X. Rocques 391. Arpin 1'74. J. El. Stansbie 339.F. A. Fahrenwald 34'7. J. H. Stansbie 339. J. E. Clennell 219. R. Berg 182. of. P. E. Browning and S. R. Spencer 55. E. de Conno 213. Kober 281. other factors measuring qudity in wheat flour. Tague 175. lander 150. Amino-Nitrogen Worts extracts etc. ; Gasornetric estimation of - in. Ammonia Aeration method for distilling -; Efficiency of the. Ammonia Boric acid method ; Eshimation of - by the. Ammonium Molybdate Cobaltic - tungstate and vanadate. Estimation and Ammonium Molybdate Filtrates obtained in tlie estimation of phosphoric acid ; H. Kinder 287. Anasthetic Dmgs Narcotic and -; Tests for certain. Analysis Gas -; Improved compensator for. Analysis Precipitates in Gravimetric - ; Contamination of. Solid solution and adsorption e.higher-order compounds. Analysis Qualitative -; Elementary (Review). B. Dales and 0. L. Barnebey, 30. Analysis Silica in Commercial - ; Est'imation of. Analytical Chemistry Advance in the domain of modern - ; Some main lines of. Analytical Chemistry - and its future. (Chandler Lecture Columbia Univer-W. F. Hillebrand 184. Aniline Method Mineral fillers in rubber; - for the estimation of. 0. H. Klein, Animal Carcases Calcium in ash of forage plants and -; Estimation of. S. €3. Antimonial Lead Analysis of -. P . ,4. KoSer 52. L. Adler 51. separation of cobalt. Recovery of - from the. A. Carnot 285. E . H. Hankin 174. E T. Gregg 316. G. M. Smith 318. F. G . Hawley 315. A. C. Chapman 229. sitv U . S . A . ) J. H. Link and F. Gottsch 216. Kuzirian 26.C. R. McCabe 310 xviii INDEX TO VOLUME XLII. Antipyriee Xstlimation of -. Antipyrine Estimation of -. Apomorphine Sensitive reaction for -Apparatus etc. Abstracts 29 60 156 184 254 287 316 347 373 4M. Apparatus Gas absorption -; Simple. Arachis Oil Olive oil; Detection of - in. (Argon) Hare gases -; Estimation o f . Aromatic Aldehydes Colour reactions of -, Aromatic Aminerr Fatty acids ; Action of - on. Arsenic and Phosphoric Acids Vanadium from - and from uranium ; Separation Arsenic Lead arsenate ; Boiling method for estimation of w-ater-soluble - in. Arsenic Lead arsenate ; Rapid metlliod for estiklution of water-soluble - in. Arsenic Organic compounds ; Estimation of - in. Arsenic Phosphorus by Dusart and BloridIot ’s method ; Detection of and its appli-Preparation of pure zinc for the detection of phosphorus Arsenic Tellurium and - ; Quallitative separation and detection of.I?. E. Arsenic Works’ estimation of -; Spplication of the Gutzeit Test to. C. Hollins, Asbestos Platinum sulphide and analysis of platinised - ; New method of pre-Ash Forage plantg and animal carcases ; Estimation of calcium in - of. S. 13. Aspirin Acetylsalicylic acid (-1 ; Analysis of. Aspirin Novaspirin alone or when mixed with - ; Estimation of. Atmosphere Ozone and oxides of nitrogen in the -; Determination of. Atmospheric Gases Wa3ter; -4bsorption of - by. Atomic Weights International -. Australia Official Orders. J. 1E3ougault 276. M. Franqois 178. L. P. J. Pttlet 48. H. 11. Eichmond and E. Hembmugii, 264.R. Biazzo and S. Vigdorcik 85. .I. Sieverts and H . Brandt 52. 1’. Youth 147. X. de Conno 213. of. W. A. Turner 60. (4. J? Gray and A. W. Christie 52. H. A. Scholz and 1’. J. Waldstein 340. *I. J. Nwins 50. cation to Toxicology. and-. H. J. Lemkes 183. Browning G. S. Simpson and L. E. Porter 53. 307. cipitating. V. N. Ivanov 154. Kuzirian 26. M. Franqois 203. R. Miller 243. F. L. Usher and B. S. Rao 370. J. H. Coste 341. 1917 1. Commonwealth of -. 1mporba.tion of pepper 255. Babcock Formula Total solids in evapora.ted milk ; Correction reqi~ircd in appl~-iiig Bacteria Water; Direct microscopical counting of - in. Bacterial Emulsions Fluid suspensions including - ; General method of estimat-Bacteriological Examination Water ; Studies on the culture media employed in E.Ri. Chamnot and Bacteriological Physiological etc. Abstracts-1917 17 87 143 2013 245 280, Barium Ca-lcium in the presence of - and strontium; Det-ection of. Z. Karaog-Barley Enzyme hpdrolysing tnhe furfuroids of -; Evidence of the existence in Basic Ferric Acetate Test Acetates ; 1nadequ;lcy of t h e - for. Ti. J. Curtman Basins Silvered glass - in place of platinum cathodes ; Electro-Analysis using. the - to the estimation of. 0. 1,. Evenson 302. B . E. Nelson 209. ing the relative turbidity or opacity of. the - of. C. M. Sherwood 331. 304 331 361 397. lanow 249. malt of an. and B. R. Harris 342. *J. Gewecke 255. G. Dreyer and A. D. Gardner 19. IV. Neutral red lactose peptorie media. J. L. Baker and H.F. E. Hidton 143. INDEX TO VOLUME XLII. xix Beans Cyanogenetic -. Kohn-Xbrest 174. Beer Xitroge,n in -; Distribution of. Biochemical Reactions l’procatec hol quinol and resorcinol ; - for distinguisli-Biological Examination. Honey ; - of. Biological Products Butyric acid in -; Separation and estimation of. I. I<. l’helps and H. E. Palmer 245. Biological Products Lactic acid in - ; The identification and estimation of-I. I. I<. Phelps and H. $2. Palmer 87. Bitumens Natural -; Relations in composition of the different forms of. C. F. Mabery 398. Bituminous and Tarry Substances Sulphur nionocliloride on - iilld 11) drocarbon oils; Action of Bivalent Metal Sulphates Conductivity method ; l‘itration of some - by the. H. S. Harned 155. Blacher Method Hardness in water ; - far t,he ustimatioii of.-4. S. Beli~rnan 403. Black Pyrrole --. A. Angeli 88. Blood Urine faxes and pathological fiuids ; Detection of - in. Thevenon and Rolland 280. Blood Urine ; Phenolphthale‘in reagent for t-he detection of - in. E. Justin-Mueller 280. Blue Pill Rose petals in -; The detection of. Boiled Oils and Varnishes Acid values of -; Errors in the estimation of. E. E. Boiling Method Water-soluble arsenic in lead arsenate ; - for estimation of. Boric Acid Method Ammonia by the -; Estimation of. Boric Acid Special glasses ; Estimation of - in. Boron Horon-steel; htimation of - in. Boron-Steel Boron in - ; Estimation of. Bracken Fern Starch in -. Bran Flour and bread ; Estimation of - in. Brazilian Oilseeds.Bread Flour and -; Estimation of bran in. Brewery Laboratory Interferometer in the --. British Sands Glass-making ; - suitable for. :tnd A. A . Eldridge 313. Bromine Content German potash salts ; - of. Burettes Jets for - ; Note on. Butter Cottonseed products on the coniposition and properties of -; Effect of C. M. Eckles and 1,. S. Palmer 389. Butter Vitamines and lipoids in - and margarine. Butyric Acid Biological products ; Separation :ind estimation of. I. I(. Plielps and Butyric Valeric and Caproic Acids Steam distillation ; Studies in - ; Part IT’. : By-Products Rice milling; - o f . J. 8. Sharpe 360. ing. J . Wolff 280. J. Gadamer and K. Laske 361. J. V. Neigs i3.32. W. Partridge 71. M7;ire and h’. E. Christman 21. G. 1’. Gra? and A.W. Christie 53. 284. L. Adler 51. 2’. Nicolardot and J. Boudct, C. -lsclinian ;Jun. 54. C. Aschman Jun. 54. R. Tlegendre 356. R. Legendre 356. 1’. G. H. Howell H. F. Harwood, A. E . Shipley 144. E. R. Bolton and D. G. He.n.er 35. T,. -4dlcr and H. Tiiers 60. L. W. Winklc~r 373. J. H. Code 385. feeding. J. de ltuiter 13. H. E. Palmer 245. Propionic - . H. D. Ricliinoiid 125. J . B. Reed and P. W. Liepsner 393. Cacao Philippine -; Fermentation of. Cacao Powder Fat in -; Estimation of. Cacao Powder Shell in - ; Detection of escess of. Cacaos -4lkalinity of -; Estimation of the and examination of added alkaline materials. 31. X. Rocqiies 391. H. C. Brill 389. Keller 47. 14 xx INDEX TO VOLUME XLLI. Cadmium Zinc from -; Separation of and estimation of - iodinietricall>-Caesium - and rubidium by fractional crystallisation of their alums ; Separa-Caeine Theobromine and - in cocoa arid chocolate; Esbimation of.0. Cake and Pastry - Order 1917. Government Laboratory method for deter-Calcite Inclusions Organic carbon in soils ; Influence of - on the estimation of. Calcium' Barium and strontium ; Detection of ~ in the presence of. Z. Karaog-Calcium Carbonate Boiling water ; Solubilit?- of - in. Calcium Chloride Drxing agent,; Granular - as a. Calcium Chloride Drying agents ; Efficiency of -sodium hydroxide and pobassiuni G. P. Baxter and H. IT. Starkweather 26. Calcium Forage plants and animal carcases ; Estimation of - in ash of. S. B. Calcium Phosphates Citric acid; Solubility of - in.Calorimetric Combustion fmprovem'ents in - ; Tlie heat of combustioil of toluene. Cane-Sugar Double polarisation ; Simplified inversion process for the determina-tion of - by. Canned Foods Solution of tin by - ; Adsorption of tin by proteins and its relation to the. Caproic Propionic Butyric and Valeric Acids Steam dist'illation ; Studies. in. Part IV. - . Carbohydrates Hydrolysis of casein ; Influence of - on the accuracy of the Van Slyke method in the. Carbohydrates Mixtures of four or more - involving oxidation with bromine ; Methods for the estimakion of. Carbolic Acid Phenol in crude - and tar oils; Estimation of 5. M. Weiss and C. R. Downs 330. Caxbon Coal-tar ; Estimation of free - in. Carbon Dioxide Air ; Colorimetric method for the estimation of the - in.H. L. Higgins and W. bf. Marriott 92. and hydrogen ; Carbon Micro-combustion method for determination of -Simplified. L. E. Wise 404. Carbon Penfield Test for - . Carbon Soils ; Influence of calcite inclusions on the estimation of organic - in. E. C. Shorey and W. H. Fry 332. @arbon Steel ; Eggertz Test for combined - in. Carbon Wood-tar pitches; Free - of; Carbonates Estimation of -. Casein Van Slyke Method in the hydrolysis of -; Influence of carbohydrates on the accuracy of $he. Cathodes Silvered glass basins in place of platinum - ; Electro-Analysis using. J. Gewecke 255. Ceylon Coconut toddy in -. Chemical Analysis Methylene blue as a reagent in -; Use of. Application of the process to the detection and estimation of perchlorates in Chile saltpetre.A. Monnier 51. several. E. Philippi 177. E. J. Ericson 346. tion of. Savini 84. minat>ion of amount of sugar present. E. C . Shorey and W. H. Fry 333. lanow 249. P. E. Browning and S. R. Spencer 55. 293. A. Cavazzi 368. A. T. McPherson 349. hydroxide as. Kuzirian 26. A. A. Ramsay 311. T. W. Richards and H. S. Davis 220. H. S. Walker 276. B. C. Goss 208. H. D. Richmond 125. E. B. Hart and B. Sure 90. E . G. Wilson and W. R. G. Atkios 190. P. Falciola 246. W. G. Mixter and F. 1,. Haigh 220. J. H. Whiteley 366. H. K. Benson and L. L. Davis 212. J. F. Barker 367. E. 33. Hart and R . Sure 90. K. C. Browning and C. T. Symons 46. Chemical and Physiological Detection Alkaloids in the same solution - o INDEX TO VOLUME XLII.xxi Chemical Composition Vegetable ivory meal ; - digestibility and feeding value of. ChemitW Valuation Adrenaline solutions ; Physiological and - of. J. S. White, 143. Chemist Work of the Government Laboratory for the year ended March 31 1916, with appendices; Report of the Government - upon the. Chemistry Analytical - and its future. (Chandler Lecture Columbia UniT-er-sity U.S.A.) W. F. Hillebrand 184. Chemistry Modern Analytical - ; Some lines of advance in the domain of. A. C. Chapman 229. ahile Saltpetre Methylene blue as a reagent in chemical analysis; Use of. Appli-cation of the process to the detection and estimation of perchlorates in -. A. Monnier 51. Chlorides Nitrate estimations in the presence of -. Clhocolate Cocoa and - ; Estimation of theobromine and caffeine in.0. Savini, Chromic Acid Differential Iodimetry. 11. Titration of - in presence of ferric Chromium Differential Iodimetry. 11. Titration of chromic acid in presence of Chromium Ferrochrome ; Estimation of- in. Chromium Ferrochrome steel slags etc. by the Permanganate Method ; Estima-Cider Vinegar Reducing substance in -; Volatile. ainders Esplosibility of pyrites ; Determination of and estimation of its available Citrate Digestion Phosphorus pentoxide after -; Estimation of. 0. C. Smith, Citric Acid Calcium phosphates in -; Solubility of. Citric Acid Pratt Method for estimation of - ; Modification of the. J. J. Citric Acid Tartaric acid ; Detection of - and. Coal Analysis Interpretation of -. Gal Gas Light oils in -; Determination of and description of still for separat-Icoal Solvents on -; Action of.Qosl-Tu Free carbon in -; Estimation of. Cobalt Cobaltic ammonium molybdate tungshate and vanadate. Estimation and separation of -. A. Carnot 285. dobalt Ores and alloys ; A rapid method for estimating nickel and - in. Part I. W. R. Schoeller and A. R. Powell 189. Cobalt Small quantities of -; Estimation of. Oobaltic Ammonium Molybdate - tungstnte and vunadate. separation of cobalt. (lobalti-NitiFite Method Potash; - for estimation of. Schwartz 372. -08 Added alkali in -; Detection and estimation of. aoC- Alkalinity of -. d0cOa Theobromine and caffeine in - and chocolate ; &stirnation of. aocaut Oil Mixtures; The differentiation of - and palm-kernel oil in.Ooconut Toddy Ceylon; - in. K. C. Browning and C . T. Sj-mom 46. C. L. Reals and J. B. Lindsey 48. 102. W. F. Gericke 343. 84. iron and estimation of chromium in chromite. ferric iron and estimation of - in chromite. 0. L. Barnebey 250. 0. L. Barnebep 250. W. Herwig 179. tion of - in. P. Koch 180 and 284. R. W. Balcom 142. sulphur and sulphur in -. 56. C. R. Gyzander 368. A. A. Ramsaj- 311. Willaman 20. T. C. N. Broeksmit 357. E. G. Bailey 145. ing the light oils from the absorbing oil D. H. Duvall 50. A. Wahl 282. P. Falciola 246. A. D. Powell 180. Nstimation .and R. H. Haff and E. H. -4. Carnot 285. X. Rocques 173. Arpin 174. G . Savini, G. D. 84. EIsdon 298 XXLl INDEX TO VOLUME xm. Cod-Liver Oil Preparations Oil in malt and -; Rapid estimation of.Codeine Morphine from - ; Microchemical distinction of. Colloidal Phenomenon Indicator in quantit.ative analysis ; - as. J. F. Sacher. 250. Colorimetric Estimation Diphenylaimine and diphenylbenzidine for - ; Use of -L. Smith 90. Colorimetric Method Carbon dioxide in air; - for the estimation of the. H. L. Higgins and F. M. Marriott 92. Colorimetric Method Vanillin ; Qiialitative test and - for the estimation of. C. Estes 208. Colorimetric Qualitative Reactions Volatile fatty acids ; Method of deam distilla-tion for tlie determination of including a series of - for their identification. D. C. Dyer 149. Colorimetric Test Organic impurities in sands ; - for tlie determiiliation of. D. A. Abrams and 0. E.Harder 217. Colorimetry Fallacies in -. W. &I. Dehn 348. Colostrum Proteins of the - and milk of the cow and their relations to serum Colour Reactions of aromatic aldehydes. Colour Test Palm oil; Crampton-Siinons - for. Colouring Matter Red torulz ; - of. Combined Galactose Free and -; Estimation of. Combined Sulphur Vulcanised rubber ; Estimation of free and - in and the rate of combination of sulphur with different. Q-pes of plantation Para rubber. B. J. Eaton and l<'. W. J'. Day 91. Combustion C,alorimetric - ; Improvenients in. The lieat of - of toluene. 1'. W. Richmds and H. S. Davis 220. Combustion Engines Liquid fuels for iiiternal ~ ; Spontaneous ignition t.empera-tures of. H. Moore 148. Combustion Methods Labowtm-j- (estimxtion of sulpliurj ; - f o y use in tlie.J. Hewett 94. Combustion Nitrosite - rnetliod for the direct estinicltioii of rnbbw K e t -in the. Compensator Gas analysis Improved - for. Condenser Movable -. Vigreux 184. Conductivity Method Bivalent metal sulpliates by flie - ; Tittrcltioii of some-COnSt8IltS Cryoscopic - at elevated temperatures ; Xeasurement of. J. H, Copper Method Amino-acids ; Improvements in th'e - for estimating. P. A. Copper Sulphate Algs; Some experiences in the use of - in the destruction Copying-Ink Pencils Writing ; - and tthe examination of their pigments in, Corks Soxhlet and other extraction apparatus ; Treatment of - used in. T. J. Cotton Lht Mineral constituents of -. Cottonseed Products Butter; Effects of feeding - on tlie coinpositlion and Chnting Bacteria in water; Direct microscopical - of.Correction Total solids in emporated inilk ; - required in applying the Babcock H. I>-Richmond and E'. G. Hitchman 176. 0. Tunniaiin 48. proteins; Comparative study of the. C. Crowtlier and H. Raistrick 17. P. Pooth 147. A. H. Gill 216. A. C. Chapman 143. A. W. Van der Haar 23. I;. G. Wessori and E. S. Knorr 217. E. T. Gregg 316. H. S. Harned 155. Mathews 31'7. Kober 281. of. G . Embrey 264. C. A. Mitchell 3. Ward 326. +7. HI. Barnes 50. properties of. Formula to the estimation of. C. &I. Eckles and I,. S. Palmer 389. B. E. Nelson 209. 0. L. Evenson 302 . INDEX TO VOLUME XLII. xx111 COW Proteins of the colostrum and milk of the - and their relations to serum Crampton-Simons Colour Test Palm oil - for.Cream Milk and - Regulations -4mending Ordev (Government Orders). Creatine and Creatinine Estimations Source of error in -; Impure picric acid Creatinine Estimations Creahine and - ; Impure picric acid as a source of error Cresylic Acid Phenol in commercial - ; Estimation of. J. J. Fox arid M. F. Crucibles Platinum substitut.es ; Palladiitm-Gold - as. 288. Cryoscopic Constants Elevated temperatnres ; Measurement of - at. J. H. Cryoscopic Method Added water in milk ; - for estimating. J. T. Keister 392. Culture Media Bacteriological examination of water ; Studies on the - employed E . M. Charnot and C. If. Cyanogenetic Beans. Kohn-dbrest 174. Cysts Wet stained preparations ; Detection of prot'ozoal - in feces bp means proteins; Comparative study of the.C. Crowther and H. Raistrick 17. A. H. Gill 216. 109. as a. in. B nrker 329. 0. Folin and E . A. Doisp 149. 0 . Folin and E. A. Doisy 149. Mathews 317. in the. Sheiwood 331. 117. Neutral red lactose peptone media. of. R. Donaldson 245. Desiccants Efficiency of some common -; Comparison of the. Desiccated Milk Analysis of -. Desiccator Drying by means of a current of air ; - for. Detergent Action Soap ; - of. Detinning Tin plate ; - and aiinlpjs o€. Dextrose Estimation of -. Dextrose LEevulose in presence of -; Determination of. Digestibility Vegetable ivory meal ; Cliemical composition - and feeding vahp Digestion Citrate - ; Xstimatiori of pliospliorus pentoxide after -. 0. C. Dimethylaminophenyldimethylisopyrazolone - (pyramidone) ; Delicate test Diphenylamine Colorimetric estimation ; Use of - and diphenplbenzidene for.Diphenylbenzidine Diphenylamine and - for ColoFimetric estimation ; Use of. Drugs Emodin-containing - ; Identification of. Drugs Emodin ; Qualitative identification of the - containing. Drugs Narcotic and anesthetic -; Tests for certain. Drying Agent Granular cadcium chloride as a -. Drying Agents Calcium chloride sodium hydroxide and potassium hydroxide as Drying Air; Desiccator for - by means of a current of. Duclaux Method Volatile acids ; - for tqlie estimation of. L. J. Gillespie and Duclaux Method Volatile fatty acids; Note on the - for. Duclaux Method Volatile fatty acids; - for the estimation of the. 31. V. Dover and J.W. Marden 348. C. Porcher 244. S. 1'. Pickering 141. L. S. Yratt 156. G. W. Heise and ,4. Clemente 345. G. E'rerichs and E. Mannheim 303. L. Loewe 179. of. Smith 56. for. L. Guglialmelli 47. T,. Smith 90. I,. Smith 90. C. L. Beals and 0 . R. Lindsey 48. W. S. Hubbard 277. G. D. Beal and R. Okey 203. E. H. Hankin 174. A. T. McPherson 349. ; Efficiency of. K. H. Walters 399. G. P. Baxter and H. W. Starkweather 26. L. S. Pratt 156. &4. R. Tlamb 214. F. W. T'pson H. 31. Plum and J. E. Schott 214 xxiv INDEX TO VOLUME XLII. DUC~UX’S Method Volatile fa,tty acids; - for the estimation of. F. IT-. J. Duclaux’s Method. Steam distillation ; Studies in. Part V. Some applications H. D. Richmond 133. Dusart and Blondlot’s Method Phosphorus by -; Detection of and its applica-Preparation of pure zinc for the detection of phosphorus Boekhout and J.J. 0. de Vries 149. of -. tion to Toxicology. and arsenic. H. J. Lemkes 183. Eggertz Test Combined carbon in steel; - for. Electrically-Heated Chamber Gelatinisation temperatures of starches by means A. W. Dox and G. W. ElectreAnalysis Silvered glass basins in place of platinum cathodes ; - using. Electrometric Titration Change of oxidation potential ; dpparatus for - depend-G. L. Kelley J. R. Adams and J. 8. Wile? 373. Electrometric Titration Zinc ; - of. Emodin-Containing Drugs - ; Identification of. Emodin Drugs containing -; Qualitatdve identification of the. G. D. Beal and Emulsions Fluid suspensions including bacterial - ; General method of estimat-Engines Liquid fuels for internal cornbust*ion - ; Spontaneous ignition tempera-Enzyme Furfuroids of barley; Evidence of the existence in malt of an -5.L. Baker and H. F. E. Hulton 143. Errata 1917 pp. 200 202. Error Creatine and creatinine estimations; Impure picric acid as a source of -EITOW Acid values of boiled oils and varnishes ; - in the estimation of. E. E. Essential Oils Pine; Optical activity of - from various species of. D. E. Ether Water and alcohol in -; Estimation of. Explosibility Pyrites ; Determination of - of and estimation of its available Explosives Gravimetric reagent for analysis of substances used in -; “ Nitron ” W. C. Cope and J. Barab 216. Explosives Nitrogen in - ; Estimation of. Extract Vanillin in vanilla -; Estimation of.-4. W. Dox and G. P. Plaisance, 17. Extraction Apparatus Corks used in Soxhlet and other apparatus ; Treatment of. T. J. Ward 326. Extraction Lactic acid for its estimation ; - of. Ext~8ction Phosphoric acid in soils ; Method of - as affecting the estimation of. H. Hale and W. L. Hartley 27. 16rtrsctor Soxhlet -; Modified. Extracts Amino-nitrogen in worts - etc. ; Gasometric estimation of. R. Ems-W e r 150. E*mckr Meat products particulsrly -; Estimation of sugar in. W. B. Smith, 16. J. H. Whiteley 366. of an - on the microscope stage ; Determination of. Roark Jun. 221. J. Gewecke 255. ing on the. F. R. von Bichowsky 346. UT. S. Hubbard 277. R. Okey 203. ing the relative turbidity or opacity of. tures of. H. Moore 148.hydrolgsing the. G. Dreyer and A. D. Gardner 19. in. Ware and R. E. Christman 21. Tsakalotos 308. 0. Folin and E. A. Doisy 149. R. L. Perkins 281. sulphur and sulphur in cinders. as. C. R. Gyzander 368. B. Oddo 400. E. Ohlsson 25. D. F. Twiss and W. McCbwan 318. F ~ c w B l d in urine - and pathological fluids ; Detection of. Thevenon and Rolland 280 INDEX TO VOLUME XLII. s x v PSC~S Protozoal cysts in - by means of wet stained preparations ; Detection Pat Cacao powder ; Estimation of - in. Fat Milk products; Estimation of - in certain. Fats Margarine prepared from hydrogenated - ; Water-Content of. Fats Medicinal -; Oxidisability values of. Fats Melting-Point of -. 29. Fats Oils and - ; Thermal Values of. 11. The 3laumenb Value.J. IT-. Fats Oils - and mixes; The estimation of unsa,onifiuble iii;ittclr in. .J. 31. Fats Varrentrapp Reaction in - and oils ; Importance of the. W. Schrauth 91. Fats Varrentrapp Reaction in - and soaps ; Importance of the. W. Schrauth, Fatty Acids Aromatic amines on -; Action of. Fatty Acids Duclaux Method for volatile -; Note on the. Fatty Acids Menhaden Oil -; Composition of. Fatty Acids Steam distillation for the determination of volatile - including a series of colorimetric qualitative reactions for their identification ; Method of. D. C. Dyer 149. l’. W. Upson H. M. Plum and J. E . Schott. 214. F. 117. J. Boekhoet and J. J. 0. de Vries 149. of. R. Donaldson 245. Keller 47. C. K. l*.i*anc+is and D. G. K. Rrauer, Morgan 391. 49. G. Issoglio 301.Marden and M. T’. Dover 401. Wilkie 200. 179. E. de Conno 213. E. Twitchell 334. A. R. Lamb 214. 3’atty Acids Volatile - ; Duclaus Method for the estimation of the. Fatty Acids Volatile -; Duclaus’s Method for the estimation of. Fatty Oils Some -. Feeding-Stuffs Germany during the War ; New - used in. 11. Kling 356. Peeding Value Vegetable ivory meal ; Chemical composition digestibility and Permentation Mixtures Alcohol in -; Accurate aeration method for the estirna-Permented Milk Products “ Laban Raieb ” of Egypt and the “ Miciuratu ” of Zem Bracken -; Starch in. Ferric Iron Differential Iodimetry. 11. Titration of chroniic acid in presence of - and estimation of chromium in chromite. Ferricyanides Thiocyanates ferrocyanides and - in the detection of iodides with palladium; Interference of.1,. J. Curtman and B. R. Harris 156. Perrochrome Chromium in - ; Estimation of. Perrochrome Chromium in - steel slags etc. by the Permanganate Metliod; Estimation of. PenocySniclea Thiocyanates - and ferricysnides in the detection of iodides with palladium ; Interference of. Pillem Rubber; Aniline method for the estimation of mineral - in. 0. H. Klein J. H. Link and F. Gottsch 216. Filter Flask. Filter-Paper Reducing matter extractable from -. Schemer 309. pu- Media Soluble filters and -. FUferS Filtering media ; Soluble - and. J. M. Wilkie and H. S. Anderson 186. nh-Liver Oils Hydracarbons ; On the natural occurrence in certain - of high -4. C. Chapman 161. S. Uchida 21. of. tion of. Sardinia; - The.C. L. Reds and J. B. Lindsey 48. A. W. Dox and A. R. Lamb 46. A . Sanna 15. -4. E. Shipley 144. 0. 11. Barnebey 250. W. Herwig 179. P. Koch 180 and 284. L. J. Curtman and B. R. Harris 156. J. A. Shaw 374. R. S. McBride and J. A. J. M. Wilkie and H .S. Anderson 186. percentsages of xx~71 INDEX TO VOLZTlME SLII. Fish-Liver Oils Spinacene A new hydrocarbon from certain -. man 141. Flask Filter -. Flour Bran in - and bread ; Estimation of. Flour Quality in wheat -; Nitrogen in amino form as estimated by formd C . 0. Swanson and Fluid Suspensions Relative tarbiditp or opacity of - including bacterial emul-Fluorides Fluorine in soluble -; Estimation of. Fluorine Soluble fluorides Estimation of - in, A. C. Chap-J. A. Shaw 374.R. Legendre 356. titration in relation to some other factors measuring. E. L. Tague 175. sions ; General method of estimating the. G. Dreyer and A. D. Gardner 19. 3. G. Dinwiddie 93 and 181. J. G. Dinwiddie 93 and 181. Food and Drugs Analysis Abstracts 13 46 84 140 173 203 243 276 301 327, 356. 389. Food Gelatin in - Possibilities of Gulaman Dagat as a substitute for. Food Substances Sugar; Tables for the a.nal;vsis of - containing. Food-Supply Vnited Kingdom ; The - of the (Government Report) 96. Food Values Xew unit for the estimation of -. Foods Iron and aluminium (in - etc.) ; Estimation of small quantities of. Foods Saccharin in -; Estimation of. Foods Solut.ion of tin by canned - ; Adsorption of tin by proteins and its Forage Plants Calcium in ash of - and animal carcases ; Estimatioli of.S. B. Formic Acid Report on Preservatives - . Formol Titration Wheat flour; Nitrogen in amino form as estimated by - in relation to some other factors measuring quality in. C. 0. Swanson and E. L. Tague 175. Fractional Crystallisation Caesium and rubidium by - of their alums ; Separation of. Free and Combined Galactose Estlmation of -. Free and Combined Sulphur Vulcanised rubber ; Estimation of - in and the rate of combination of sulphur with different types of plantation Para rubber. 33. J. Eaton and F. W. F. Day 91. Free Sulphuric Nitric and Picric Acids Estimation of - in the presence of each other. Fruits Acid content of -. Fuel Research Board Government Report. Report of the -. 405. Fuels Internal combustion engines ; Spont.aneous ignition temperatures of liquid Fuller's Earth Oil industry ; - and its valuation for the.Fungi Pentoses and pentosans by -; Utilisation of. Furfuroids Enzyme hydrolysing the - of barley; Evidence of the existence in A. H. S>-rups, Wells 391. sweets honey etc. H. La.joux and L. Ronnet 396. H. Sucliting 327. Ri. Berg 182. relation to the. Kuzirian 26. C . B. Gnadinger 304. B. C. Goss 208. A. F. Seeker 302. P. E. Browning and S. R. Spencer 55. *4. W. Van der Haar 23. I?. W. Richardson 96. W. D. Bigelow and P. B. Dunbar 357. for. H. Moore 148. T. D. Richert 340-L. A. Hawkins 210. malt of an. J. L. Baker and H. F. E. H u b n 143. Galactose Free and combined -; Estimation of. A. W. Van der Haar 23.Gallium Qualitative separation and detection of -. P. E. Browning and Galvanised Iron Stripping and analysis of -. G. W. Heise and A. Clernente, Galvanised Iron Testing -. J. C . Witt 343. L. E. Porter 402. 342 IKDEX TO VOLUME XLIT. x x vii Gas Absorption Apparatus Simple -. Gas Analysis Compensator for -; Improved. Gas Analysis Reagents for use in -. Y. Xelative advantages of sodium and R. l’. hderson 27. Gas Light oils in coal -; Determination of and description of still for separat-Gas Meter Laboratory -. E. G. Heckett 157. Gases Power -; Composition of. Gases Rare - (Argon) ; Kstimatjon of. Gases Water ; Absorption of atmosplieric - by. Gasoline Motor -; Testing of. Gasoline Vapour Air; Estimzitim of - in. Gasometric Estimation ,\mino-riitrogen in worts extracts etc.; - of. R. Ems-lander 150. Gelatin Gulaman Dugat ;is a substitiite for - in food; Possibilities of. A. H, Wells 391. Gelatinisation Temperatures Starclies by illems of an electrically-heated chamber on the microscope stage ; Dctemiintttion of - of. A. W. Dos and G. W-Xoark Jun. 221. German Potash Salts Bromine content of -. Germany Feeding-stuffs used in - during the War; Sew. Ghee Note on -. K. C. Browning and R I . I’artliasaratliy 140. Ginger Pungent principle of -. Part 1. :The cltemical cliaracters i n d decom-position products of Thresh’s “ Gingerol. ” A . Lapworth 1,. K. Pearson and F. 9. Royale 358. Ginger Pungent principles of -. Part I. A new ketone Zingerone (4-hj-drosj-3-methoxy-phenIlethy1 meth5-1 ketone) occurring in -.Ginger Pungent principles of -. Part 11. Synthetic preparations of Zingerone, Rlethylzingerone and some related acids. A. Lapworth and F. H. Wykes 359. ‘‘ Gingerol ” Ginger ; Pungent principle of. Part I. The clieniical characters and decomposition products of Tliresli ‘s -. X Lqmortli 1,. I<. Pearson, and F. A. Royale 358. Glass Basins Platinum catliodes ; Electro-Anal;)rsis using silvered - in place of. J . Gewecke 255. Glass Brit-is11 - -making sands ‘Hie substitution of some Britisli sands for foreign sands in the Inmufacture of liigli-grade -. Glass-Making Britisli stirids suitable for -. 1’. G. H. Bos~vell H. F. Harwood, and ,4. A. Eldridge 313. Glass-Making Sands Britisli - Tlie substitution of some Britisli sands for foreign sands in the mttniifttcture of high-grade glass.Glass New acid sodium pliospliate and its action on - porcelain silica, platinum and nickel vessels. Glasses Boric acid in special -; Xstimation of. J. Xcolardot and J. Boudef, 284. Glycyrrhizin Liquorice root and Suwus Lipiritic Comparison of methods for the estimation of - in. Uovemment Laboratory Work of the - for the year ended March 31 1916, with appendices ; Report of tlie Government Chemist upon the. Government Laboratory Order ‘Ihe Cake and Pastry Order 1917. Government Orders Milk and Cream Regulations Amending Order. Government Orders Public Health (Regulations as to Food) Act 1907. Government Report Fuel Research Board ; Report of the 405. H. D. Riclimond and 3;. Hembrough, 254. E. T. Gregg 316.yot.assium hydroxides in preparation of allialine pjTogallo1. ing the light oils from the absorbing oil. D. H. Duvall 50. IT. -1. Tookey 246. A. Sieverts and R. Uraiidt 52. J . H. Coste 341. E. IV. Dean 333. E. P . ,4nderson 215. L. W. Winkler 373. M. Kling 356. H Nornura 357. C. J. Peddle 287. C. J. Peddle 287. J. H. Smith 254. A. Linz :E9. 102. 293. 109. 111 xxviii INDEX TO VOLUME XLlI. Government Report Scientific and Industrial Research ; Report of the Committee Gravimetric Anrtlysis Precipitates in - ; Contamination of. Solid Solution and G. M. Smith 318. Gravimetric Reagent Subst.ances used in explosives ; " Nitron " as - for analysis Gum Sugars in the presence of - ; Estimation of. Gulamm Dagat Gelatin in food ; Possibilities of - as a substitute for.A. H. Gutxeit Test Arsenic ; Application of the - to Works' estimations of. Gymnosperms Mannan conkent of the -. of Council for. 375. adsorption v. higher-order compounds. of. W. C. Cope and J. Barab 216. G. Savini 86. Wells 391. C. Hollins 307. A. W. Schorger 362. Halogens Organic compounds ; Estima-tion of - in. Hardness Water ; Blacher lletehd for the estimation of - in. Headache Powders Milk-sugar in -; Estimation of. Eigh-Speed Steels Manganese in -; Estimation of. Honey Biological examination of -Honey Substances containing I~vuIose ; The analysis of - and other. Honey Tables for the analysis of food substances containing sugar. Syrups sweets, I€. Lajoux and L. Ronnetr 396. Horse Ohestnuts Acorns and -; Analytical examination of.J. L. Baker and Hydrocarbon Fish-liver oils; Spinacene A new - from certain. A. C. Chap-Hydrocarbon Oils Sulphur monochloride on bituminous and tarry substances and Hydrocarbons High percentages of -; On the natural occurrence in certain Hydrucyanic Acid Detection of -. Hydrogen Carbon and - ; Simplified micro-combustion method for determina-Hydrogen Peroxide Hypochlorite solutions used for sterilising water ; Volumetric Xydrogen Peroxide Sensitive reaction for -. Hyclrog611 Sulphide Water; Estimation of - in. Hydrogenated Fats Margarines prepared from - ; Water-Content of. Hy&Ol~sris Casein; Influence of carbohydrates on the accuracy of the Van Slybe Xgphlotite Solutions Water ; Volumetric -4naJysis of - used for sterilising, J.F. Lemp and H. J. A. S. Behrman, Broderson 399. 403. R. Miller 243. C. T. Nesbitt 152. J. Gadamer and K. Laske 361. W. R. G. dtkins 12. - etc. H. F. E. Hulton 351 383. man 141. -* Action of. J. V. Meigs 332. fish-liver oils of. A. C. Chapman 161. G. W. Anderson 178. tion of. analysis of and a rapid method for the estimation of -. L. E. Wise 404. A. Bury 181. G. DenigAs 403. I;. W. Winkler 26. H. Brauer 49. Method in the - of. and a rapid method for the estimation of hydrogen peroxide. E. B. Hart and €3. Sure 90. A. Bury 181. unition Temperatures Liquid fuels for internal combustion engines ; Spontaneous - of. H. Moore 148. Impurities Sands ; Colorimetric test for the determination of organic - in. D. A. Abrams and 0. E.Harder 217. Incinerating Organic materials for the estimation of potassium Method of -P. L. Blumenthal A. M. Peter D. Q. Healey and E. J. Gott 372. Indigo Volumetric estimation of -; Rapid. S. M. Jones and IV. Spans 23 INDEX TO VOLUME XLII. xxix Inflammability Petroleum spirit at low temperatures ; Note on the - of. Indicator Quantitative Analysis ; Colloidal phenomenon as - in. J. H. J. F. Sacher, Coste 168. 250. 402. Inorganic Analysis Abstracts 26 51 92 152 179 219 246 284 309 339 366, Institute of Chemistry 68 158 292. Interferometer Brewery laborator)- ; - in the. Inversion Process Cane-sugar by double polarisation ; Simplified - for the Iodic Acid Morphine with -; Titsation and estimation of. J. hi. Rakshit 393. Iodides Thiocyanates ferrocpanides and ferric-anides in the detection of -Iodimetric Estimation Sulphur dioxide and sulpliites ; - of.J . B. Ferguson, Iodimetq Differential. 11. Titration of chromic acid in presence of ferric iron and 0. L. Barnebey 250. Iodimetry Different-ial -. 111. Estimation of available oxygen in soluble and 0. 1,. Barnebey and W. G . Hawes, Ion Perchloric -; &Iicrochemical reactions of the. Iron Differential Iodirnetry. 11. Titration of chromic acid in presence of ferric Iron Galvanised -; Stripping and analysis of. G. W. Heise and A. Clemente, Iron Galvanised -; Testing. Iron - thallium zirconium and tit-anium ; Qualitative separation and detec-I?. E. Browning G. S. Simpson and L. E. Porter 54. Iron Lead ; Separation of - from. Iron Nickel in the presence of zinc and -; Estimation of.S. Rothschild 182. Iron Phosphorus in cast -; Estimation of. Iron Small quantities of - and aluminium (in foods etc.); Estimation of. Iron Sulphur in - and steel ; Estimation of. Italian Oil of Turpentine Pinus pinaster; - from. Ivory Meal Vegetable - ; Chemical composition digestibility and feeding L. Adler and H. Liiers 60. determination of. H. S. Walker 276. with palladium; Interference of. 220. estimation of chromium in chromite. precipitated oxidised forms of manganese. 251. L. J. Crrrtriictii and B. R. Harris 156. G. Denighs 311. 0. L. Barnebey 250. and estimation of chromium in chromite. 342. J. C. Witt 342. tion of. J. I?. Sacher 251. A. Cavazzi 371. H. B. Pulsifer 58. R. Berg 182. M. Palazzo 177.value of. C. L. Beak and J. B. Lindsey 48. Jets Burettes ; Note on - for. J. H. Coste 385. Ketone Ginger; Pungent principles of. Part I. A new - Zingerone (4-H. Nomura, hydroxy-3-methoxy -phenylethyl methyl -) occurring in ginger. 357. “Laben Raieb” Fermented milk products The - of Egypt and the Laboratory Brewery - ; Interferometer in t*he. Laboratory Combustion methods for use in the - (estimation of sulphur) J. Hewett 94. Laboratory Gas meter. Laboratory Porcelain Chemical -. H. Watkin 349. Lactic Acid Biological products ; The identification and estimation of - in. Lactic Acid Extraction of - for its estimation. E. Ohlsson 25. “ Miciuratu ” of Sardinia. A. Sanna 15. 1,. Adler and H. Luers 60. E. G . Beckett 157. I. I. K. Phelps and H. E.Paliner,‘S’i xxx INDEX TO VOLUME XLII. Lactose Peptone Media Studies on the culture media employed in the bacteria-IV. Neutsal red -. E. RI. Chamot and Laevulose Dextrose; Determimtion of - in presence of. Laevulose Honey and other substances containing -; The analysis of. Atkins 12. Law Report Jones u. Robinson 157. Law Report - . Lead dntimonial -; Analysis of. Lead Arsenate Wlater-soluble arsenic in - ; Boiling method for estimation of. Lead Arsenate Water-soluble arsenic in - ; Rapid irietliod for estimation of. Xead Iron from -; Separation of. Lead Hed - ; Solution of. Leather Total sulphur in -; Estimation of. Lecithin Egg-yolk ; Non-Existence of - in. .I-Leucine Sweet clover silage ; Occurrence of - in. Light Oils Coal gas and description of still for sc~paratiiig the - from the Lime Acetate of -; Analysis of.Lindo-Gladding Method Potash by the -; Estimation of. Lint Cotton -; Minerail constituents of. Lipase Seeds of SpaTtizim j'iinceiina ; - in the. Lipoids Butter and margarine ; Vitamines and - in. Liquid Fuels Int<ernal combustion engines ; Spontaneous ignition temperatures of Liquids Pycnometer for -; Vacuum-Jacketed. Liquids Refractive index of -; New method for determining the. -4. Iledous, Liquorice Root Glycprrliizin in - and in Succus Liquiritia; Comparison Lithium Alkali metals ; Separation of - from the other. Lithium Strontium and - in water ; Estimation of. 'Litmus Milk cult,ureq ; Substitute for - for use in. Lubricating Oils Examinatlion of -. logical examination of water.C. M. Sherwood 331. L. Loewe 179. W. R. G . The sale of rnilk Need of a new Act. Grigg u. Smith 323. C. R. hIcCabe 310. (2. I?. Gray and A. W. Christie 53. H. A . Scholz and P. J. Waldstein 340. J. I". Saclier 251. G. Torossian 27. L. B;. Tlevi and ,4. 6. Orthmann, 151. S. -4. fJ:irberi 204. G. 1'. Plaisance 395. absorbing oil ; Determination of - in. D. H. Diivall 50. S. H. Collins 152. P. I,. Hibbard 312. J. 13. Barnes 50. XI. Raffo 246. J . de Ruiter 13. for. H. Moore 148. I?. Hall 350. 185. of methods for the estimation of. A. Linz 359. S. Yalkin 54. S. D. Averitt 345. 11:. 11. Clark and H. A. Lnbs 331. R. Dubrisay 363. Magnesium Estimation of -; Rapid method for the. Magnesium Salts Nitrates in waters cont'aining niucli -; Kate on the phenolsul-Magnesium Titration of -.F. W. Rruckmiller 251. Malt Enzyme hydrolysing the furfuroids o€ barley ; Evidence of the existence in Malt Preparations Cod-liver oil and -; Rapid estimation of oil in. H. D. Rich-Manganese Differential Iodimetiry. 111. Estimlatjon of available oxygen in 0. JA. Rarnebey and W. C. Manganese Estimation of -. Travers 343. Manganese High-speed steels ; Estimation of - in. Manganese Ores Pyrolusite and other osidised -; Analysis of. and G. &I. Bishop 313. S. Husvold 182. phonic acid method for. M. S. Nichols 344. - of an.' J. L. Baker and H. F. E. Hulton 143. mond and F. G. Hitchman 176. soluble and precipitated oxidised forms of -. Hawes 251, C. T. Nesbitt 152. 0. L. Barnebe INDEX TO VOLUME XLIL xxxi Maman Content Gymnosperms ; - of the.Xannitol Silage ; Occurrence and significance of - in. Msrgsrine Butlter and -; Vitamines and lipoids in. Xargarines Hydrogenated fats ; Water-Content of - prepared from. A. W. Sehorger 362. 9. W. Dox and G. P. Plaisance 394. J. de Ruiter 13. K . Brmier, 49. 3farden and 34. V. Dover 401. Meal Vegetable ivory - ; Chemical composition digestibility. and feeding value of. Weat Products Sugar in - particularly extracts ; Estimation of. W. B. Sniith, 16. Media Culture - employed in tlie bacteriological esaminafion of water. I T r . : Seutral red lactose peptone -. Media Filtering -; Soluble filters and. Media Very viscoiis -; Measiirement of absolute viscosity of. Medicinal Fats Oxidisability values of -.Melting-Point Fats ; - of. Menhaden Oil Fatty Acids Composition of -. Mercurial Viscosimeter. Mercuric Oxide Standard in alkalimetrp ; l’eliow - - as a. Mercury Organic compounds ; The quantitative estimation of - in. Mercury Salts Toxicological purposes ; Detect’ion of traces of __ for. Mercury Toxicological cases ; Detection of - in. Xesothorium Monazite ; Estimation of thorium and - in. Xetabolic Nitrogen Xstimation of -; Sletliods for the. E. 13. Forbes C. E. Metal Sulphates Bivalent - by the cwndudivitp method ; Titration of some. Metals Lithium from tlie other alkali -; Separation of. Meter Gas - ; Laboratory. Methylene Blue Chemical analysis ; Il‘se of - as a reagent in. Maurnen6 Value Oils and fats; Thermal Values of. 11. The - .J. w. C. L. Belds and J. B. Lindsey 48. E . 11. C’liamot and C. R1. Slierwmd 331. J. 11. Will& and H. S. Anderson 1W. S. E. Slieppnrd, 316. G. Issoglio 301. 29. E. Twitchell 334. F. M. Lidstone 187. 0. Incze 253. J. E. Marsh K. C. and 0. G. Lye 84. Browning 210. C,. L. Spica 307. K. I,. Kithil 55. llangels and L. E. Ilorgan 397. H. S. Harned 155. 8. Palkin 54. E. G. Beckett 167. Application of the process to the detection and estimation of perchlorates in (I:hile saltpetre. A . Monnier 51. Xethylene Blue IIicroscopic sttiins derived from - ; New. I,. Tribondeau and J. Dubreuil 211. Methylzingerone Ginger ; Pungent principles of. Part 11. Synthetic preparations of Zingerone - and some rellahed acids. *I. T~apworth and F.HI. Wykes, 359. .(‘ Miciuratu ” Fermented milk products tlie “ Laben Raieb ” of Egypt and the Microchemical Distinction Morphine from codeine ; - of. Microchemical Reactions Perchloric ion ; - of the. Micro-Combustion Method Carbon and hydrogen ; Simplified - for determina-Microscope Stage Electrically-heated chamber on the - ; Determination of A. W. Dox and T1. Tribondeaii and of Sardinia. A. Sanna 15. 0. Tunmann 48. G. DenigBs 311. tion of. gelatinisation temperatures of starches by means of an. G. W. Roark Jun. 221. J. Diibreuil 211. Id. E. Wise 404. Microscopic Stains Methplene blue ; New - derived from. lldicroscopical Counting Bacteria in n-ater ; Direct - of. R. E. Nelson 209 xxxii INDEX TO VOLTTME XLII. Milk Added water in -; Cr>-oscopic method for estimating.Milk *4dded water in -; Detection of. Milk Analysis of -. Milk Composition of -; The. P. S. Amp H. C. Huish and H. D. Ric]imond, Milk Cultures Litmus for use in - ; Substitute for. W. M. Clark and Milk Desiccated - ; Analysis of. Milk Examination of -. Milk Law Report. Milk Pmteurised - from raw - ; Differentiation of. I. Reductases. Milk Products Fat in certain - ; Estimation of. C. K. Francis and D. G. Milk Products Fermented -* . The " Laben Raieb " of Egypt and the " Miciu-Milk Proteins of the colostrum and - of the cow and their relations to serum Milk Regulations ; - and Cream. Amending Order (Government) Orders). 109. Milk Sale of -; The. Milk-Sugar Headache powders ; Estimation of - in. Milk Total solids in evaporated - ; Correction required in applying the Babcock 0.L. Evenson 302. Mill Purposes Starch for - ; Determination of the viscosity of. G. At. Mineral and Organic Acids Mineral phosphates and superpliosphates in dilute. Mineral Constituents Cotton lint ; - of. Mineral Fillers Rubber ; Aniline method for the estimation of - in. 0. H. Mineral Hatter Raw rubber ; Percentage of resin (- and nitrogen) in. Mineral Phosphates Dilute mineral and organic acids ; Solubility of - and super-Bbodifled Shrewsbury-Knapp Process Reichert-Polenske and - ; A combined. Molybdenum Potassium iodate; Estimation of - by. Molybdenum Residues Recovery of -. Molybdenum Steel ; Volumetric estimation of - and vanadium in. J. T. Keister 392-H. Durand 302. E. Ackermmn 328.118. H. A. Lubs 331. C. Porcher 244. G. Wilhelrn 328. The Sale of - Need of a new ,4ct. Grigg 2 Smith 323. R. E. Lee and M. G. Mellon 278. Morgan 391. ratu " of Sardinia. proteins ; Comparative study of the. A. Sanna 15. C. Crowther and HI. Raistrick 17, -4ndrews w. Luckin (Law Report). 739. R. Miller 243. Formula to the estimation of. MacNider 350. ; Solubility of. A. Aiha 312. J. H. Barnes 50. Klein J. H. Link and F. Gottsch 216. 364. phosphates in. A. Aita 312. G . D. Elsdon 295. G. S. Jamieson 153. V. Lenher and M. P. Schultz 343. Travers, 969. Monazite Thorium and mesothorium in - Estimation of. K. L. Kithil 55. Morphine Codeine ; Microchemical distinction'of - from. Morphine Iodic acid ; Titra,tion and Estimation of - with.J. N. Rakshit 393 Morphine Opium-Poisoning Detection of - in acute and chronic cases Motor Gasoline Testing of -. 0. Tunmann 48. J. Webster 226. E. W. Dean 333. Naphtha Xylene in solvent - ; Estimation of. P. E. Spielmann and F. B. Jones, 248. Haphtholphthalein Thvmolphthalei'n and - ; New applications of. J. Moir 248 Naphthols Titanic acid dissolved in sulphuric acid ; Differentiation of the two -Narcotic Drugs Anmthetic and -; Tests for certain. Natural Bitumens Different forms of - ; Relations in composition of the by means of. G. Denigks 26. 33. R. Hankin 174. C. F. Mabery 398 * INDEX TO VOLTJME XLII. XXXlll Nichrome Cast -; Analysis of. Nickel Ores and Alloys ; A rapid method for estimating - and cobalt in. Part I. : NiEkel Vessels Glass porcelain silica platinum and -; New acid sodium phos-Nickel Zinc and iron; Estimation of - in the presence of.Nicotine Tobacco ; Estimation of - in. Ninhydrin Reaction Mechanism of the -. Nitrate Estimations Chlorides ; - in the presence of. Nitrate Sewage by means of o-tolidine ; Estimafion of - in E. B Phelps and Nitrates Waters containing much magnesium salts ; Note on the phenolsulphonic Nitric and Picric Acids Free sulphuric - in the presence of each other ; Estima-Nitro-Compounds Nitrogen in -; Estimation of. Nitrogen Beer; Distribution of - in. Nitrogen Explosives ; Estima-tion of - in. Nitrogen Metabolic - ; Methods for the estimation of. E. B. Forbes, Nitrogen Nitro-compounds ; Estimation of - in. Nitrogen Raw rubber; Percents-ge of resin (mineral matter and -) in.Nitrogen Total -; Estimation of. Nitrogen Urine ; Use of potassium persulphat7e in the determination of total -in. Nitrogen Wheat flour ; - in amino form as estimated by formol titration in relation to some other factors. measuring quality in. C. 0. Swanson and E. L. Tague 175. I ' Nitron " Substances used in explosives ; - as gravimetric reagent for analysis of. Nitrosite Combustion Method Rubber. Wet combustion in the - for the direct estimation of. Nitrotoluenes Stannous chloride reduction method for estimating -. E. de W. S. Colver and E. B. R. Prideaux 247. Novaspirin Aspirin; Estimation of - alone or when mixed mritli. R. Miller, 234. " NUX Vomica " Strychnine in -; Estimation of. E. W. Reid 286. IT. R.Schoeller and A. R. Powell 189. phate and its action on. J. H. Smith 254. S. Rothschild 182. A. Tingle and A. A. Ferguson 177. J. &I. Retinger 309. W. F. Gericke 343. H. L. Shoub 369. acid met'hod for. tion of. M. S. Nichols 344. F. W. Richardson 95. A. P. Sachs 363. J . S. Sharpe 360. B. Oddo 400. C. E. Mangels andL. E . Morgan 397. *4. P. Sachs 365. 364. E. Justin-Mueller 150. L. C. Scott and R. G. Myers 304. W. C. Cops and J. Barab 216. L. G. Wesson and 6. S. Knorr 21'7 H. R. .Jensen 16. Obituary Notices : Beadle Clayton 325. Brown Joseph Arthur F.I.C. 381. Eastick John Joseph 326. Holloway Qeorge T. 382. Howard David F.C.S. F.I.C. 31. Stoddart Frederick Wallis 226. Sutton Francis 261. Oil Industry Fuller's earth and it8 valuation for the -.Oil Malt and cod-liver oil preparations ; Rapid estimation of - in. Oil of Turpentine Pinus pinaster; Italian - from. Oil Testing Notes on -. ,4. R. Gill 215. Oil Varnishes Volatile '' thinners " in - ; Determination of. T. D. Richert 340. H. D. Rich-mond and F. G. Hitchman 176. 1%. Palazzo 177. A. de Waele and I?. Smith 170 xxxiv INDEX TO VOLUME XLII. Oils Acid values of boiled - and varnishes; Errors in the estimation of. Oils Soap making ; Rapid method of testing the suitability of - for. R. Lecocq, Oils Thermal values of - and fats. J. W. Marden Oils Unsaponifiable matter in - fats and waxes; The estimation of. J. 31. Oils Varrentrapp Reaction in fats and -; Importance of the. W. Schrauth 91. Oilseeds Brazilian -. Olive Oil Arachis oil in -; Detection of.Opacity Fluid suspensions including bacterial emulsions ; General method of esti-mating the relative turbidity or - of. Opium-Poiming Morphine in acute and chronic cases; - . Detection of. J. Webster 226. Optical Activity Essential oils from various species of Pine; - of. D. E. Tsakalotos 308. Optically Active Substances Sbarch in the presence of other - ; Polarimetric estimation of. C. Baumann and J. Grossfeld 218 and 365. Orange-Pip Oil Note on -. D. G. Hewer 271. Ores Nickel and cobalt in - and alloys ; A rapid method for estimat\ing-Panl.t I. Ores Pyrolusite and other oxidised manganese -; Analysis of. 0. L. Barnebeg Organic Acids Mineral phosphates and superphosphates in dilute mineral and - * Solubility of.A. Aita 312. Organic Analysis Abstracts 19 49 89 145 178 212 246 281 305 332 362 398. Organic Compounds Arsenic in -; Estimation of. Organic Compounds Halogens in -; Estimation of. J. F. Lemp and H. J. Organic Compounds Mercury in - ; The quantitative estimation of. J. E. Organic Compounds Silver in - ; Estimation of. H. J. Lucias and ,4. R. Kemp, Organic Impurities Sands ; Colorimetric test for the determination of - in. Organic Materials Potassium ; Method of incinerating - for the estimation of. 0-Tolidine Nitrate in sewage by means of -; Estimation of. E. B. Phelps and Oxalate-Iodine Method Paris-Green analysis ; - for. C. A. Peters and L. E. Oxidation Potential Electrometric titration depending on the change of - ; Oxides of Nitrogen Ozone and - in the atmosphere ; Determination of.F. L. Oxidimbility Values Medicinal fats ; - of. Oxygen Differential Iodimetry. 111. Estimation of available - in soluble 0. L. Barnebey and W. C. Oxygen Rain-water; Dissolved - in. Ozone atmosphere ; Determination of - amd oxides of nitrogen in t.he. F. L. Usher and B. S. Rao 370. E. E. Ware and R. E. Christman 21. 279. and M. V. Dover 401. Wilkie 200. 11. The Maurnend Value. E. R. Bolton and D. G. Hewer 35. R. Biazzo and S. Vigdorcik 85. G. Dreyer and A. D. Gardner 19. W. R. SchoeIler and A. R. Powell 189. and G. M. Bishop 313. -4. J. Ewins 50. Broderson 399. Marsh and 0. G. Lye 84. 400. D. ,4. Abrams and 0. E. Harder 217. P. L. Blumenthal A. M. Pet-er D. J. Healey andE. J. Gott 372. H. L. Shoub 369.Fielding 56. Appara'tus for. Usher and B. S. Rao 370. and precipitated oxidised farms of manganese. Eawes 251. G. L. Kelley J. R. Adams and J. A. Wiley 373. G. Issoglio 301. E. H. Richards 310 INDEX TO VOLUME XLII. xxxv Ozone Estimation of -. OZ- - (in air) ; Estimation of. David 183. David 344. PalWum-Gold Crucibles Platinum substitutes ; - as. Palladium Thiocyanates ferrocyanides and ferricyanides in the detection of iodides with -; Interference of. Palm-Kernel Oil Coconut oil and - in mixtures; The differentiation of. G. D. Elsdon 298. Palm-Oil Crampton-Simons Colour Test for -. Para Rubber Sulphur with different types of plantation -; Estimaltion of free and combined sulphur in vulcanised rubber and tihe rate of combination of. B.J. Eaton and F. W. F. Day 91. Paris-Green Analysis Oxalate-Iodide method for -. C. A. Peters and L. E. Fielding 56. Pasteurised Milk Raw milk; Differentiation of - from. I. Reductases. R. E. Lee and M. G. Mellon 278. Pathological Fluids Blood in urine faeces and -; Detection of. Thevenon and Rolland 280. Pectic Substances Plants ; - of. Pemberton Volumetric Method Phosphoric acid ; - or estimating. P. 11. 288. L. J. Curtman and B. R. Harris 156. A. H. Gill 216. S. B. Schryver and D. Hapes 144. Shuev. 287. Pencils Writing ; Copying-Ink - and the examination of their pigments in. C. A. Mitchell 3. Penfield Test Carbon ; - for. Pentosans Pentoses and - by fungi; Utilisation of. Pentoses Fungi; Utilisation of - and pentosans by. Pepper Official Orders.Commonwealth of Australia. Importation of -. 255. Perborates Perchlorates peridates persulphates percarbonates and - ; Re-actions for distinguishing between. Percarbonates Perchlorates periodates persulphabes - and perborates; Re-actions for distinguishing between. Perchlorate Potassium as -; Estimation of. G. P. Baxter and &I. Kobayashi, 155. Perchlorates Methylene blue as a reagent in chemical analysis ; Use of. hpplica-tion of the process to the detection and estimation of - in Chile salltpetre. A. Monnier 51. Perchlorates Periodates persulphates percarbonates and perborates ; Reactions for distinguishing between - and. Perchloric Ion Microchtemical reactions of the -. Periodates Perchlorates - persulphates percarbonates and perborates ; Re-Permanganate Method Chromium in ferrochrome steel slags etc.by the -; Permanganate Method Chromium in ferrochromium steel and slags by the -; Peroxidase Ultrafiltration ; Reactions of - purified by. Peroxide Hydrogen -; Sensitive reaction for. Peroxide Water ; Volumetric analysis of hypochlorite solutions used for sterilising, Persulphates Perchlorates periodates - percarbonates and perborates ; Re-Petroleum Spirit Low temperatures Note on the inflammability of - at. W. G. Mixter and F. L. Haigh 220. 1;. A. Hawkins 210. L. A. Hawkins 211. A. Monnier 93. A. Monnier 03. A. Monnier 93. G. Denigks 311. actions for distinguishing between. Estimation of. P. Koch 180. Estimation of. P. Koch 284. A. Monnier 93. A. Bach 18. G. Deniges 403. and a rapid method for the estimation of hydrogen -.actions for distinguishing between. J. H. Coste 168. A. Bury 181. A. Monnier 93 XXXVl INDEX TO VOLUME XLII. Petroleum Sulphur in -; Detection and estimation of. Phenacetin Acetanilide; Estimation of - when mixed with. Phenacetin Salol and acetanilide or of salol and - in their mixtures ; Estima-Phenol Commercial cresylic acid ; Estimation of - in. J. J. Fox and M. F. Phenol Crude carbolic acid and tar oils ; Estimation of - in. J. M. Weiss and Phenol Tar oil phenols ; Estimation of - in. Phenolphthalein Reagent Blood in urine; - for the detection of. Phenols Identification of -. 33. E . Reid 151. Phenols Phenol in tar oil -; Estimation of. Phenolsulpbnic Acid Method Nitrates in waters containing much magnesium Philippine Cacao Fermentation of -.Phosphates Citric acid; Solubility of calcium - in. Phosphates Minerd - and superphosphates in dilute mineral and organic acids ; Phosphates Phosphoric acid and (alkaline) - by alkalimetric methods ; Estima-Phosphor-Tin Tin and phosphorus in -; Volumetric estimation of. R. E. Lee, Phosphoric Acid Alkalimetric methods ; Estimation of - and (alkaline) pbos-Phosphoric Acid Ammonium molybdate'from the filtrates obtained in the estima-Phosphoric Acid Estimating -; Pemberton Volumetric Method for. P. M-Phosphoric Acid Soils; Method of extraction as affecting the estimabion of -in-Phosphoric Acid St'annic chloride Removal of - by. L. Gattermann and Phosphoric and Arsenic Acids Vanadium from - and from uranium; Separa-W.A. Turner 60. Phosphorus Cast iron ; Estimation of - in. Phosphorus Pentoxide Citrate digestion ; Estimation of - after. 0. C. Smith, Phosphorus Tin and - in phosphor-tin; Volumetric estimation of. R. E. Lee, Ph0Sph-s Toxicology; Detection of - by Dusart and Blondlot's Method and Physiological and Chemical Valuation Adrenaline solutions ; - of. J . S. White, C. K. Francis and R. Miller 243. C. W. Crawford 283. tion of. B. Salkover 16. Barker 329. C. R. Downs 330. R. Masse and H. Leroux 212. E. Justin-Mueller 280. R. Masse and H. Leroux 212. salts; Note on the - for. M. S. Nichols 344. H. C. Brill 389. A. A. Ramsay 311. Solubility of. A. Aita 312. tion of. W. H. Fegely and F. H. Reichel 345. phates by. tion of -; Recovery of. Shuey 287.H. Hale and W. 1,. Hartley 27. H. Schindhelm 95. tion of. J. H. Smith 253. J. H. Smith 253. H. Kinder 287. A. Cavazzi 371. 56. W. H. Fegely and F. H. Reichel 345. arsenic. H. J. Lemkes 183. 143. several. E. Philippi 177. in. tion of. Mitchell 3. its application to. Preparation of pure zinc for the detection of - and Physiological Detection Alkaloids in the same solution ; Chemical and - Of Picnc Acid Creatine and creatinine estimations; Impure - as a source of error Picric and Nitric Acids Free sulphuric - in the presence of each other; Estima-Pigments Copying-Ink pencils and the examination of their - in writing. c. A-0. Folin and E. A. Doisy 149. F. W. Richardson 95 INDEX TO VOLUXE XLII. XXXVll Pill Hose petals in blue -; The detection of.Pine Essential ails from various species of - ; Optical activity of. D. E. Pjnus pinaster Itailian oil of turpentine from -. Pitches Wood-tar -; Free carbon of. Plantation Para Rubber Free and combined sulphur in vulcanised rubber and tlie rate of combination of sulphur with different types of --; Estimatioii of. B. J. Eaton and F. W. F. Day 91. S. B. Kuzirian 26. W. Partridge 71. Tsakalotos 308. &I. Palazzo 177. H. K. Benson and L. L. Davis 212, Plants Forage - and animal carcases ; Estimation of calciurri in ash of. Plants Pectic subst,ances of -. Platinised Asbestos Phrtinum sulphide ; New method of precipitating and ar1a1) sis Platinum Alloys to replace -; New. Platinum Cathodes Electro-Analysis using silvered glass basins in place of -.Platinum Sodium phosphate and its action on glass porcelain silica - and Platinum Substitutes Palladiam-Gold crucibles as -. Platinum Sulphide Platinised asbestos ; New method of precipitat'ing - and Poisoning Morphine in mute and chronic cases; Opium- - Detection of. Polarimetric Estimation Starch in tlie presence of otlier optically active substances ; Polarisation Cane-sugar by double - ; Simplified inversion process for tlie Porcelain Glass - silica platinum and nickel vessels; New acid sodiuiii Porcelain Laboratory - ; Chemical. Potash Cobalti-Nitrite Method for estimation of - . R. C. Haff and E. H. Potash Lindo-Gladding illetliod ; Estimation of - by the. 1'. L. Hibbard 312. Potash Salts German ~ ; Bromine conhent. of. Potassium and Sodium Hydroxides Gas ainalpis ; Reagents for use in.T. : Relative advantages of ,- in preparation of alkaline p\-rogallol. R. P. Andeil"son 27. Potassium Hydroxide Calcium chloride sodium hydroxide and - as dq-ing agents ; Egciency of. Potassium Incinerating organic materials for the estimation of - ; Method of P. L. Blumenthal A. M. Peter I>. J. Healey and E. J. Gott 372. Potassium Iodate Molybdenum by -; Estimation of. Potassium Perclilorate Estimation of - as. G. P. Raster and It. Kobayashi, Potassium Persulphate Urine; Use of - in the deteriniriatiori of total nitrogeii L. C!. Scott and R. G. Myers 304. Powder Shell in cacao -; Detection of excess of. Powder F a t in cacao - ; Estimation of. Powders Milk-sugar in headache -; Estimation of.Power Gases Composition of -. Pratt Method Citric acid ; Modification of the - for estimation of. Precipitates Gravimetric Analysis ; Conta.mination of. S. B. Schryver and D. Haynes 144. of -. V. N. Ivaaov 154. E'. A. Fahrenwald 347. J. Gewecke 255. nickel vessels; New acid. J. H. Smith 254. 288. anailyvis of. J. Webster 226. V. N. Ivanov 154. of. C. Baumann and J. Grmsfeld 218 and 365. determination of. phosphate and its action on. H. S. Walker 276. J. H. Smith 254. H. Watkin 349. Schwwtz 372. L. W. Kinkler 373. G. P. Baster and H. W. Starkweather 26. G. S. Jamieson 153 155. in. 14. Keller 47. R. IIiller 243. W. A. Tookey 2-16 J. J. Wilia-Solid solution and a d s o p man 20. tion v . bigher-order compounds. G. 31. Smith 318 xxxviii INDEX TO VOLUME XLII.Precipitates Washing of -; Device for automatic and intermittent. Lathrop 317. Preservatives Report on - Formic Acid. President Address of the -; Annual. Press Sampling-. Propionic Butyric Valeric and Caproic Acids Steam distillation ; Studies in -. Part IV. - . Proteins Serum - ; Comparative study of the - of the colostrum and milk of the cow and their relations to. Proteins Solution of tin by canned foods; Adsorption of tin by - and its relation to the. B. C. Goss 208. Proteolytic Action Certain methods for the study of - ; Examination of. H. C. Sherman and D. E. Neun 18. Protozoal Cysts Wet stained preparations; Detection of - in faeces by means of. R. Donaldson 245. Pungent Principle Ginger ; - of. Part I.The chemical characters and decom-position products of Thresh's " Gingerol. " A. Lapworth I,. K. Pearson and F. A. Royale 358. Pungent Principles Ginger ; - of. Part I. A new ketone Zingerone (4-hydroxy - 3- methoxy - phenylethyl mebhyl ketone) occurring in ginger. H. Nomura 357. Pungent Principles Ginger ; - of. Part 11. Synthetic preparations of Zinger-one Methylzingerone and some related acids. A. Lapworth and F. H. Wykes, 359. Pycnometer Liquids ; Vacuum-Jacketed - for. F. Hall 350. m i t e s Explosibility of -; Determination of and estimation of its available sulphur and sulphur in cinders. (Pyramidone) Dimethglaminophen~ldimethylisopyrazolene - ; Delicate test for. L. Guglialmelli 47. Pyrocatechol - quinol and resorcinol ; Biochemical reactions for distinguish-ing.J. Wolff 280. Pyrogallol Gas analysis ; Reagents for use in. V. Relative advantages of sodium and potassium hydroxides in preparation of alkaline -. R. P. Anderson 27. Pyrolusite Oxidised manganese ores ; Analysis of - and other. 0. L. Barnebey and G. M. Bishop 313. Pyrrole Black. A. Angeli 88. E. C, A. F. Seeker 302. 115. W. B. Clark 374. H. D. Richmond 125. C. Crowther and H. Raistsick 17. C. R. Gyzander 368. Qualitative Test Vanillin ; - and colorimetric method for the estimation of Quantitative Analysis Indicator in - ; Colloidal phenomenon as. J. F. Sacher, Quinol Pyrocatechol - and resorcinol ; Biochemical reactions for distinguish-C. Estes 208. 250. ing. J. Wolff 280. Rain-Water Oxygen in -; Dissolved.Rape Oil Olive oil ; Detection of - in. Rare Gases -(Argon) ; Estimation of. Reagent Methylene blue as a - in chemical analysis ; Use of. Reagents Gas analysis ; - for use in. Red Lead Solution of -. E. H. Richards 310. R. Biazzo and S. Vigdorcik 85. A. Sieverts and R. Brandt 52. Application of the process to the detection and est'imation of perchlorates in Chile saltpetre. A. Monnier 51. V. Relative advantages of s d u m and potassium hydroxides in preparation of alkaline pyrogallol. R. P. Anderson 27. G. Torossian 27 INOEX TO VOLUME XLIL xxxix: Red Torulae Colouring matter of -. Reducing Matter Filter-paper ; - extractable from. Reducing Substance Cider vinegar ; Volatile - in. Reductases Pasteurised milk from raw milk ; Differentiation of.R. E. Refractive Index Liquids ; New Method for determining the - of. A. Ledoux, Reichert-Polenske and Modifled Shrewsbury-Knapp Process Combined - ; A. Report Fod-Supply of the United Kingdom ; The. Report Fuel Research Board ; - of the (Government Report). Report Law -. Jones v. Robinson 157. Report Law -. The Sale of Milk. Andrews u. Luckin. 379. Report Preservatives ; - on Formic Acids. A. F. Seeker 302. Report Scientific and Industrial Research ; - of the Committee of Council for Residues Molybdenum -; Recovery of. Resin (Mineral Matter and Nitrogen) Raw rubber; Percentage of - in. Resorcinol Detection of -. Resorcinol Pyrocatechol quinol and - ; Biochemical reactions for distinguish-Reviews of Books: A. C. Chapman 143. R. S. McBride and J.A. Schemer 309. R. W. Balcom 142. I. - . Lee and M. G. Mellon 278. 185. G. D. Elsdon 295. 96. 405. (Government Report). 375. V. Lenher and M. P. Schultz 343. 364. F. C. Krauskopf and G. Ritter 15. ing. J. Wolff 280. Analytical Chemistry - . Vol. I . Qualitative. Applied Chemistry Progress of -; Annual Reports of the Society of Chemical. Industry on the. 318. Artificial Dyestuffs. Bacteriological Examination Food and Water ; The - of. W. G. Savage, 159. Bituminous Materials Laboratory Manual of - for the Use of Students in Highway Engineering. P Hubbard 320. Cane-Sugar Manufacturers Chemists ; 9 Handbook for - and their. G . L. Spencer 66. Chemical Analysis Quantitlative - ; Textbook of. A. C. Cumming and S. A. Kay 112. Chemical Discovery and Invention in the Twentieth Century.W. A. Tilden, 223. Chemistry Elementary Practical - Part 11. Analytical - Quailitative and Quantitative. Chemists’ Pocket Book Bayley’s -. Eighth Edition edited by R. Ensollo, E. Spon and F. N. Spon 319. Chemist’s Year-Book - ; The. 1917. Edited by F. W. Atack assisted by L. Whinyates 406. Coal-Tar - and Ammonia. G. Lunge 289. Diary Scientist’s Reference-Book and - 1917 ; The. Elements Rarer -; Introduction to the. Explosives - . A. Marshall 259. Vol. II. 321. Food Water ; The Bacteriological Examination of - and. Gas Chemists’ Summary 1915 The -. Materia Medica Therapeutics ; - and. Ontario Nickel Commission Report of the Royal - with Appendix Public Health (Regulations as h Food) Act 1907 (Government Orders).Treadwell and Hall 256. A. R. J. Ramse? and H. C. Weston 378. E. Clowes and J. B. Coleman 65. 114. P. E. Browning 322. W. G. Savrtge, J. Mitchell Bruce and W. J. Dilling. 111. 159. A. V. Rendrickson 67. 64. 376 xl INDEX TO VOLUME XLTI. Reviews of Book&-continzietl. Qualitative Analysis Elementary -Quantitative Chemical Analysis Textbook of -. B. Dales and 0 L. Barnebey 30. A. C. Cumming and S. A. Kay 112. Rice Milling By-Products of -. Rose Petals Blue pill ; The detection of - in. Rubber Direct estimation of -; Wet combustion in the nitrosite combustion method for the. Rubber Free and combined sulphur in vulcanised -; Estimatioii of and the rate of combination of sulphur with different- types of plantation Para -.B. J. Eaton and F. W. F. Day 91. 0. H. Klein, J. H. Link and F. Gottsch 216. J. B. Reed and F'. W. Liepsner 393. W. Partridge 71. L. G. Wesson and E . S. Knorr 217. Rubber Mineral fillers in - ; Aniline method for the estimation of. Rubber Resin (mineral matter and nitrogen) in raw -; Percentage of. Rubidium Czesium and - by fractional crystallisation of their alums ; Separation 364. of. P. E. Browning and S. R. Spencer 55. Saccharin Alimentary substances ; Detection md estiiiiation of - in. Sacchaxin Foods ; Estimation of - in. Salol - and acetanilide or of - and phenacetin in their mixtures ; Estimation of. B. Salkover 16. Saltpetre Methylene blue as a reagent in chemical anal)-sis ; Vse of. -4pplicafion of the process to the detection and estimation of perchlorates in Chile -.A. Monnier 51. Salts Mercury - for toxicological piirposes; Detection of traces of. X. C. Browning 210. Salts Potash -; Bromine content of German. Sampling Press. Sands British glass-making - The substitution of some British - for C. J. Peddle 287. Sands Glass-making ; British - suitable for. P. G. H. Boswell H. I?. Har-Sands Organic impurities in - ; Colorimetric test for t.he determination of. A. Bonk, 303. C'. H. Gnadinger 304. 1,. TV. Winkler 373. W. B. Clark 374. foreign - in the manufactare of liigli-grade glass. wood and ,4. A. Eldridge 313. D. A. Abrams and 0. E. Harder 217. Seeds Spartiurn junccum TAipase in the - of. 31. Raffo 246. Sensibility General method of estmction of trlliuloids from water ; - of the.Sensitive Reaction Apomorphine ; - for. Sensitive Reaction Hydrogen peroxide ; - for. Serum Proteins Proteins of the colostrum and mill; of tlie cow and their ?elations Sewage Nitrate in - by means of o-tolidine ; Estimation of. E. B. Phelps and Shell Cacao powder ; Detection of excess of - in. Shrewsbury and Kwpp Process Coconut oil ; The - for the estimation of. G. D. Silage Z-Leucine in sweet clover -; Occurrence of Silage Mannitol in -; Occurrence and significance of. Silica Commercial Analysis ; Estimation of - in. Silica Glass porcelain - platinum and nickel vessels ; New acid sodium phos-11. Launoy 362. 1,. P . J. Palet 48. G. Denigh 403. to -; Comparative study of the. €1. L. Shoub 369. C. ('1*owt81ier and H. Rttistrick 17.14. Elsdon and C. R. Bagshawe 72. Plaisance 394. G. P. Plaisance 395. A. W. Dos and G. P. F. G. Hawlep 315. phate and its action on. J. H. Smith 254 INDEX TO VOLUME XLII. xli Silver Organic compounds ; Estimation of. H. J. Lucas and A. R. Slags Chromium in ferrochrome steel - etc. by the Permanganate Method, Soap Alkali hydroxide in -; Estdmation of free -. Soap Detergent action of -. Sap Making Oils for - ; Rapid method of t-esting the suitability of. - in. Kemp 400. Estimation of. P. Koch 180 and 284. V. A. Izmdski 140. S. U. Pickering 141. R. Lecocq, 279. Soaps Fats and -; Importance of the Varrentrapp Reaction in. M7. Schrauth, 179. Soaps Testing - ; Specifications for and methods of. Dept. of Commerce, Society of Public Analysts and Other Analytical Chemists Proceedings of the : Sodium and Potassium Hydroxides Gas analysis ; Reagents for use in.V. Rela-R. I?. Anderson, Sodium Hydroxide Calcium chloride - and potassium hydroxide as drying Sodium Phosphate Glass porcelain silica platinum and nickel vessels ; New acid Soils Calcite inclusions on the estimation of organic carbon in -; Influence of. Soils Phosphoric acid in -; Method of extraction as affecting the estimation of. Soluble Filters Filtering media ; - and. J. M. Wilkie and H. S. Anderson, Solution Alkaloids in the same - ; Chemical and physiological detection of. Solvents Coal; Action of - on. Solvents Cryoscopic - at elevated temperatures ; Measurement of. J. H. Soxhlet Apparatus Corks used in - and obher extraction apparatus ; Treatment Soxhlet Extractor Modified -Spartiurn Junceum Seeds of - ; Lipase in the.Speciflcations Soaps ; - for and methods of testing. Dept. of Commerce, Spinacene Fish-liver oils ; - A. C. Chap-Spirit Petroleum - rat low temperatures ; Note on the inflammability of. J. H. Spontaneous Ignition Temperatures Liquid fuels for internal combustion engines ; Stained Preparations Protozoal cysts in faeces by means of wet -; Detection of. Stains Methylene blue ; New microscopic - derived from. L. Tribondeau and Standard Alkalimetry ; Yellow mercuric oxide as a - in. Stannic ahloride Phosphoric acid by - ; Removal of, Stanniferous Wolfrm Tin and tungsten in -; Separation of. Stannous Chloride Reduction Method Nitrotoluenes ; - for estimating.U.S.A. 205. 2 35 69 115 161 189 226 264 293 326 351 382. tive advantages of - in preparation of alkaline pyrogallol. 27. agents; Efficiency of. - and its action on. E. C. Shorey and W. H. Fry 332. H. Hale and W. L. Hartley 27. 186. E . Philippi 177. * G . P. Baxter and H. W. Starkweather 26. J. H. Smith 254. A. Wahl 282. Mathews 317. of. T. J. Ward 326. D. F. Twiss and W. &lcCowan 318. M. Raffo 246. U.S.A. 205. man 141. Coste 168. - for. H. Moore 148. R. Donaldson 245. J. Dubreuil 211. A new hydrocarbon from cerkain. G . Incze 253. L. Gattermann and Travers 404. H. Schindhelm 95. E. de W. S. Colver and E. R. R. Prideaux 247 xlii INDEX TO VOLUME XLII. Starch Bracken fern; - in. Starch Estimation of -; Direct method for the.Starch Mill purposes ; Determination of the viscosity of - for. G. M. MacNider, 350. Starch Optically active substances ; Polarimetric estimation of - in the presence of other. Starches Electrically-heated chamber onl the microscope stage ; Determination of gelatinisation temperatures of - by means of an. A. W-. Dox and G . W. Roark Jun. 221. Steam Distillation Studies in - Part I V . Propionic butyric valeric and caproic acids. H. D. Richmond 125. Steam Distillation Studies in - . Part V. Some applications of Duclaux's Method. H. D. Richmond 133. Steam Distillation Volatile fatty acids ; Method of - for the determination of, including a series of colorimetric qualitative reactions for their identification. D. C. Dyer 149. Steel Chromium in ferrochrome - slags etc.by the Permanganate Method : Estimation of. Steel Combined carbon in -; Eggertz Test for. S t d Molybdenum and vanadium in - ; Volumetric estimation of. Steel Sulphur in iron and -; Estimation of. Steels Manganese in high-speed -; Estimation of. Sterilising Hypochlorite solutions used for - water ; Volumetric analysis of, Still Light ails in coal gas and description of - for separating the light oils from Strontium Calcium in the presence of barium and -; Detection of. Z. Kmaog-Strontium Water ; Estimation of - and lithium in. Strychnine " Nux Vomica "; Estimation of - in. Sublimed Sulphur Adulteration ; - and its. Succinic Acid Estimation of -. Succus Liqulritire Glycyrrhizin in liquorice root and in -; Comparison of methods for the estimation of.Sugar Food substances containing - ; Tables for the analysis of. Syrups, Sweets Honey etc. Sugar Meat products pa;rticularlyextracts ; Estimation of -i n. W. B. Smith 16. Sugars Aldose -; New method for the estimation of. Sugars Gum; Estimation of - in the presence of. Sulphate Small quantities of -; Quantitative estimation of. H. J. Hamburger, Sulphat8S Free sulphuric acid in the presence of -; Estimation of small quan-Sulphide Sulphur Small quantities of -; Quantitative estimation of. W. A. A. E. Shipley 144. T. von Fellenberg 279. C. Baumann and J. Grossfeld 218 and 365. P. Koch 180 and 284. J. H. Whitele>- 366. Travers, 369. E. B. Pulsifer 58. C. T. Nesbitt 152. and a rapid method for the estimation of hydrogen peroxide.the absorbing oil; Determination of. lanow 249. A. Bury 181. D. H. Duvall 50. S. D. dveritt 345. H. R. Jensen 16. Fonzes-Diacon 57. E. C. Grey 335. ,4. Linz 359. H. Lajoux and L. Ronnet 396. J. Bougault 307. G. Savini 86. 57. tities of. Drushel and C . M. Elston 58. E. Vulquin and M. Entat 221. Sulphites Sulphur dioxide and - ; Iodimetric estimation of. J. B . Ferguson, 220. Sulphonated Oils Analysis of -. Sulphur Adulteration ; Sublimed - and its. Sulphur Dioxide Sulphites ; Iodimetric estimation of - and. Sulphur Iron and steel; Estimation of - in. R. Hart 401. Fonzes-Diacon 57. H. B. PuIsifer 58. J. B. Ferguson, 220 INDEX TO VOLUME XLII. xliii Sulphur Leather; Estimation of total - in. L. E. Levi and A. C. Orthmann, Sulphur Monochloride Bituminous and tarry substances and hydrocarbon oils ; J.V. Meigs 332. Sulphur Petroleum ; Detection and esthation of - in. C . K. Francis and Sulphur Pyrites ; Determination of esplosibility of and estimation of its available C. R. Gyzander 368. Sulphur Sulphide - ; Quantitative Estimation of small quantities of. W. A. Sulphur Use in the laboratory (estimation of -) ; Combustion methods for Sulphur Vulcanised rubber Estimation of free and combined - in and the rate B. J. Sulphuric Acid Free - in the presence of sulphates ; Estimation of s m l l quanti-Sulphuric Acid Strength of -; The rapid estimation of the. H. D. Richmond Sulphuric Acid Two naphthols by means of titanic acid dissolved in -; Differen-Sulphuric Nitric and Picric Acids Free - in the presence of each other ; Estima-Sulphurous Acid Preparation of -.Superphosphates Mineral phosphates and - in dilute mineral and organic acids ; Suspensions Relative turbidity or opacity of fluid - including bacterial emul-Sweet Clover Silage Z-leucine in sweet -; Occurrence of. G. P. Plajsance 395. Sweets Food substanms containing sugar; Tables for the andysis of. Syrups, honey etc. Syrups Food substances containing sugar; Tables for the analysis of. -, 151. Action of - on. C. W. Crawford 283. and - in cinders. Drushel and C. M. Elston 58. J. Bewett 94. of combination of - with different types of plantation Para rubber. Eaton and F. W. F. Day 91. ties of. and J. E . Merreywether 273. tiation of the. tion of. E. Vulquin and M.Entiat 221. G. DenigBs 26. F. W. Richardson 95. E. Hart 222. Solubility of. A. Aita 312. siom ; General method of estimating t h e . G. Dreyer and A. D. Gardner 19. H. Lajoux and L. Ronnet 396. sweets honey etc. H. Lajoux and L. Ronnet 396. Tar Oil Phenols Phenol in -; Estimation of. Tar Oils Phenol in crude carbolic acid and -; Estimation of. J. M. Weiss and Tarry Substances Bituminous and - and hydrocarbon oils ; Action of sulphur Tartaric Acid Citric acid and -; Detection of. Tellurium Arsenic ; Qualitative separation and detection of - and. P. E. Temperatures Cryoscopic solvents at elevated - ; Measurement of. J. H. Temperatures Liquid fueIs for internal combustion engines ; Spontaneous ignition Temperatures Petpoleurn spirit at low -; Note on the infismmability of.J. H. Thallium Iron - zirconium and titanium ; Qualitative separation and detec-Theobromine Cocoa. and chocolate ; Estimation of - and caffeine in. G . Savini, Theobromine Estimation of -. Theobromine Estimation of -; Note on the. R. Masse and H. Leroux 212. C. R Downs 330. monochloride on. J. V. Meigs 332. T. C. N. Broeksrnit 357. Browning G. S. Simpson and L. E. Porter 53. Mathews 317. temperatures of. H. Moore 148. Coste 168. tion of. 84. P. E. Browning G. S. Simpson and L. E. Porter 54. L. Debourdeaux 244. N. Badford and G . Brewer 274 xliv INDEX TO VOLUME XLII. Thermal Values Oils and fats ; - of. J. W. Marden 11 Thinners ’’ Oil Varnishes ; Determination of volatile - in. A. de Waele and Thiocyanates Iodides with palladium ; Interference of - ferrocyanides and Thorium Monazite ; Estimation of - and mesothorium in.Thymolphthalein Naphtholphthalein ; New applications of - and. Tin Phosphor-tin; Volumetric estimation of - and phosphorus in. W. H. Fegely and F. H. Reichel 345. Tin Plate Detinning and analysis of -. Tin Proteins; Adsorption of - by and its relation to the solution of - by Tin Stanniferous wolfram ; Separation of - tungsten in. Tin Volumetric estimation of -. Titanic Acid Two naphthols by means of - dissolved in sulphuric acid ; Differen-G. DenigBs 26. Titanium Iron thallium zirconium and - ; Qualitraitrive separation and detec-P. E. Browning G. S. Simpson and L. E. Porter 54. Tobacco Nicotine in -; Estimation of. Toddy Coconut - in Ceylon.Toluene Calorimetric combustion ; Improvements in The heat of combustion of Torula Red -; Colouring matter of. Total Solids Evaporated milk ; Correction required in applying the Babcock Formula Toxicological Cases Mercury in -; Detection of. Toxicological Purposes Mercury salts for - ; Detection of traces of. K. C. Toxicology Phosphorus by Dusart and Blondlot’s Method and its application to Preparation of pure zinc for the detection of phosphorus Trinitrotoluene Urinary test for - (T.N.T.) Illness and the early diagnosis of Tungatate Cobaltic ammonium molybdate - and vanadate. Estimation and Tungsten Derivatives Certain -; Analysis of. Tungsten Tin and - in stanniferous wolfram ; Separation of. Turbidity Fluid suspensions including bacterial emulsions ; General method of estimating the relative - or opacity of.UHrafiltration Peroxidase purified by - ; Reactions of. Unssponiiiable Matter Oils fats and waxes; The estimation of - in. J. 31. Uranium Phosphoric and arsenic acids and from -; Separation of vanadium n*arg Test Trinitrotoluene (T. N. T. ) ; - for. Illnes~ and the early diagnosis B. Mmre 89. l7rhe Blood in - feces and pathological fluids; Detection of. Thevenon and Urine BIood in - Phenolphthalein reagent for the detection of. E. Justin-Urine Total nitrogen in - ; Use of potassium persulphate in the determination 11. The Maurnen6 Value. and M. V. Dover 401. P. Smith 170. ferricyanides in the detection of. L. J. Curtman and B. R. Harris 156. K. L. Kithil 55. J. Moir 248. R. E. Lee, G.W. Heise and A. Clemente 345. canned foods. B. C. GOSS 208. Travers 404. R. J. Halleth 28. tiation of the. tion of. A. Tingle and A. A. Ferguson 177. K. C. Browning and C. T. Symons 46. T. W. Richards and H. S. Davis 220. A. C. Chapman 143. to the estimation of - in. 0. L. Evenson 302. C. 1,. Spica 397. Browning 210. ; Detection of. and arsenic. cases suffering from - absorption. separation of cobalt. H. J. Lemkes 183. B. Moore 89. A. Carnot 285. 0. R. Sweeney 59. Travers 404. G . Dreyer and A. D. Gardner 19. A. Bsch 18. Wilkie 200. from. W. A. Turner 60. of cases suffering from trinitrotoluene absorption. Rolland 280. MuelJer 280. of. L. c. Scott and R. G. Myers 304 INDEX TO VOLUME XLIL XlV Vacuum-Jacketed Pycnometer Liquids ; - for.Valeric and Caproic Acids Steam distillation; Studies in - Part IV. Pro-pionic butyric -. H. D. Richmond 125. Van Slyke Method Casein ; Influence of carbohydrates on the accunacy of the -in the hydrolysis of. Vanadate Cobaltic ammonium mollgbdate tungstate and - Estimation and separation of cobalt Vanadium Molybdenum mid - in steel ; Volumetric estimation of. Travers, 369. Vanadium Phosphoric and arsenic acids aiid from uranium ; Separation of -from. W. A. Turner 60. Vanilla Extract; Vanillin ill - ; Estimation o f . A. W. Dox and G . P. Plaisance, 17. Vanillin Estimation of - ; Qualitative test and colorimetric method for the. C. Estes 208. Vanillin Vanilla extract ; Estimation of - in. A. W. Dox and G. P. Plaisance, 17. Vapour Gasoline - in air; Estimration of.Varnish - Analysis and - Control. 31. N. Seaton E. J. Probeck and G. B. Sawyer 309. Varnishes Acid values of boiled oils and -; Errors in the estimation of. E. E. Ware and R. E. Christman 21. Varnishes Varnish Analysis and Control. M. N. Seaton, E. J. Probeck and G. B. Sawyer 309. Varmishes Volatile “ thinners ” in oil - ; Determination of. A. de Waele and F. Smith 170. Varrentrapp Readon Fats and oils ; Importance of t”he - in. W. Schrauth, 91 and 179. Vessels Glass porcelain silica platinum and nickel - ; New acid sodium phosphate and its action on. J. H. Smith 254. Vinegar Cider - ; Volatile reducing substance in. Viscosimeter Mercurial - F. M. Lidstone 187. Viscosity Media; Measurement of absolute - of very viscous.S. E. Sheppard, 316. Viscosity Starch for mill purposes; Determination of the - of. G . ILI. MacNider 350. Vitamines Butter and margarine ; - and lipoids in. Volatile Acids Estimation of -; Duclaux Method for the. L. J. Gillespie and E. H. Walters 399. Volatile -Fatty Acids Colorimetric qualitative reactions for their identification ; Method of steam distillation for the determination of - including a series of. D. C . Dyer 149. Volatile Fatty Acids Duclaux Method for the estimation of the -. F. W. Upson H. M. Plum and J. E. Sehott 214. Volatile Fatty Acids Duclaux Method for -; Note on the. Volatile Fatty Acids Estimation of -; Duclaux’s Method for the. Boekhout and J. J. 0. de Vries 149. Volatile Reducing Substance Cider vinegar ; - in. Vulcanised Rubber Free and combined sulphur in -; Estimation of and the rate of combination of sulphur with different types of plantation Para rubber.B. J. Eaton and F. W. F. Day 91. E. C. Lathrop 317. F. Hall 350. E. B . Hart and B. Sure 90. A . Carnot 285. R. P. Anderson 215. 11. Viscosity of varnishes. 11. Viscosity of -. R. W. Balcom 142. J. de Ruiter 13. A. R. Lamb 214. F. W. J. R. W. Balcorn 142. Washing Precipitates ; Device for automatic and intermitksnt - of xlvi INDEX TO VOLUME XLII. Water A41kaloids from - ; Sensibility of the general method of extraction of. Water Atmospheric gases by -; Absorption of. Water Bacteria in -; Direct microscopical counting of. Water Bacteriological examination of - ; Studies on the culture media employed E.M. Chamot and C. M. Water Calcium carbonate in boiling -; Solubility of, Water-Content Margarines prepared from hydrogenated fats ; - of. Water Ether ; Estimatdon of alcohol and - in. Water Hardness in -; Rlacher Met.hod for the estimation of. Water Hydrogen sulphide in -; Estimation of. Water 5 Hypochlorite solutions used for sterilising - ; Volumetric analysis of, Water Milk ; Cryoscopic method for estimating added - in. Water Milk; Detection of added - in. H. Durand 302. Water-SolubIe Arsenic Lead arsenate ; Boiling method for estimation of - in. Water-Soluble Arsenic Lead assenate ; Rapid method for estimation of - in. Water Strontium and lithium in -; Estimation of. Waters Phenolsulphonic acid method for nitrates in - containing much Waxes Unsaponifiable matter in oils fats and - ; The estimation of.J. M. Wet Combustion Nitrosite combustion method for the direct estimation of rubber ; L. G. Wesson and E. S. Knorr 217. Wheat Flour Fa.ctors measuring quality in -; Nitrogen in amino form as esti-C. 0. Swanson and E. L. L. Launoy 362. J. H. Coste 341. B. E. Nelson 209. in the. Sherwood 331. 49. IV. Neutral red lactose peptone media. A. Cavazzi 368. K. Brauer, R. 1,. Perkins 281. A. S. Behrman, 403. L. W. Winkler 26. and a rapid method for the estimation of hydrogen peroxide. A. Bury 181. J. T. Keister 392. G. P. Gray and A. W. Christie 53. H. A. Scholz and P. J. Waldstein 340. S. D. hveritt 345. magnesium salts; Note on t.he. Wilkie 200. in the. M. S. Nichols 344.mated by formol titration in relation to some other. Tague 175. Wolfram Tin and tungsten in stanniferous -; Separation of. Wood Chemistry of -. I. Methods and results of analysis of some American species. A. W. Schorger 336. Wood Chemistry of - . 11. Discussion of methods and results. A. W. Schorger 338. Wood-Tar Pitches Free carbon of -. Worts Amino-nitrogen in - extracts etc. ; Gasometric estimation of. R. Ems-Writing Pigments in - ; Copying-Ink pencils and the examination of their. Travers 404. H. K. Benson and L. L. Davis 212. lander 150. C. A. Mitchell 3. Xylem Solvent naphtha ; Estimation of - in. P. E. Spielmann and F. B. Jones 248. Yellow Mercuric Oxide Alkalimetry; - as a standard in. G. Incze 253. Zinc Cadmium; Separation of - from and estimation of cadmium iodimetri-cally. E. J. Ericson 346. Zinc Electrometric titration of -Zinc Nickel in the presence of - and iron; Estimation of. F. R. von Bichowsky 346. S. Rothschild 182 INDEX TO VOLUME XLII. xlvii ic Phosphorus by Dusart and Blondlot’s Method and its application to Preparation of pure - for the detection of phos-tgerone Ginger ; Pungent principles of. Part I. A new ketone - (4-hydroxy-H. Nomura 357. Igerone Ginger; Pungent principles of. Part 11. Synthehic preparations of A. Lapworth and P. H. Wykes, rconium Iron thallium - and titanium ; Qualitative separation and detec-Toxicology; Detection of. phorus and arsenic. 3-methoxy-phenylethyl methyl ketme) occurring in ginger. 359. tion of. H. J. Lemkes 183. Methylzingerone and some related acids. P. E. Browning G. S. Simpson and L. E. Porter 54