T H E ANALYST: THE ORGAN OF THE Society of Public Analysts. A MONTHLY JOURNAL DEVOTED TO T H E ADVANCEMENT OF ANALYTlCAL CHEMISTRY' Zbftorfnr Committee : EDWARD J. BEVRN F.I.C. (PRESIDENT). BERTRAM BLOUNT F.I.C. ALFRED C. CHAPMAN F.I.C. BERNARD DYER D . s ~ . F.I.C. THOMAS FAIRLEY F.I.C. OTTO HEHNER F.I.C. P. A. ELLIS RICHARDS F.I.C. E. W. VOELCKER F.I.C. J. AT-JGUSTUS VOELCKER PH.D. F.I.C. Ebft0.r WALTER J. SYKES M.D. D.P.H. F.I.C. VOL. xxx. 1908. TRADE AGENTS : SIMPKIN MARSHALL HAMILTON KENT CO. LTD., 16 JAMES STREET HAYMARKET LONDON S.W. ENGLAND INDEX TO VOLUME XXX. ABELOUS 5. E. Soulib L. A aszd Toujan G. Colorimetric determination of Adrena-ABSTRACTS OF PAPERS PUBLISHED IN OTHER JOURNALS 21 57 86 128 155 205 242, Acetaldehyde The determination of 374 Acetanilide Note on the determination of 400 Acetates Cyanides and Lithium Methods for the detection of 138 Acetic Acid in White Lead Determination of 253 Acetone Estimation of Source of error in the by the Iodoform method 158 - Action of on Mercuric Acetate 377 - in Urine A new reaction for the detection of 402 Acetyl-Methyl-Carbinol in Vinegar Determination of 274 Acid Acetic in White Lead Determination of 253 -line 279 273 307 333 369 396 - Vanillin and Coumarin in Vanilla extract Determination of 275 Boric Determination of Influence of Sulphuric Acid on the 285 in common Salt Occurrence of 309 Chloric Determination of Method for the 69 Citric in Wines Detection and estimation of 88 Daturic 213 Glycuronic Estimation of 346 Heptadecylic Alleged natural occurrence of 212 - Hydrofluosilicic Some reactions of 221 Lactic Volatility of in steam 250 Meconic in the United States Pharmacopaeia 1890 Assay of Opium and certain Meconates 337 - Nitric Determination of Electrolytic with a rotating anode 69 - - Determining Gravimetric method of 256 - - Test for Diphenylamine 174 Nitrous Determination of Volumetric by means of Ceric sulphate 320 Phosphoric Estimation of 221 9 in the presence of Organic substances 345 __ -_ 3 9 9 9- Rapid method for the 320 - and Sulphur in Foods etc.Determination of 90 - - ~ - -- Titration of Methods of 257 - in Superphosphates Determination of free 258 9 - Faxes and Urine Determination of 346 - -~ 9 Pyruvic Colour reactions of with a- and P-Naphthols in Sulphuric Acid Solu- Sulphuric Estimation of combined by the methods of Lunge and Silberberger 258 tion 278 - Salicylic in Foodstuffs Colorimetric estimation of 124 9 - in Malt Worts and the ash of Beer Determination of 163 a iv INDEX TO VOLUME XXX.Acid Sulphuric in Vinegar Determination of free 274 - - or Sulphur in Pyrites Estimation of by means of Benzidine hydro-chloride 170 Sulphurous Titration of in alkaline solution 259 Acids Fatty Separation of 97 - Nitric and Nitrous Differentiation of by means of Diphenylamine 174 - Organic Esterifying New method of 162 Ackroyd W. Death of 181 Aconitine Reaction for New 248 Acorus calamus Constituents of Essential Oil of 61 Adler R. und O. Colour reactions of Carbohydrates 277 Adrenaline Chemical composition and formula of 22 - Determination of Colorimetric 279 - Physical characteristics of 92 - 9 -- of Dutch Butter Molecular weight of the non-volatile 86 Ahrens and Hett Mm.Detection of resinous adulterants in Storax 61 Air Detection of traces of CO in 407 Alcohol Amyl Note on commercial 77 - Determination of by the freezing-point method 158 ~- Methyl Detection of 311 ~- in Fuse1 Oils Estimation of the amount of 339 Alcohols Ethyl and Methyl in mixtures Detection and determination of by the Immersion Refractometer 339 - - New method of distinguishing between Primary Secondary and Tertiary, 159 -- and Hydroxylated bodies Colour reactions of certain 95 - - in Spirits Determination of higher 190 Aldehyde Formic Detection and determination of Colorimetric method for the 249 9 - Determination of Gasometric 312 i n Milk Detection of 307 Tests Behaviour of Vanillin in 340 , 9 9 - Study of methods for the 249 - - -- -~-and Acetone on Mercuric Acetate The action of 377 Aldehydes New colour reactions of 401 -- and Ketones in essential Oils L4 fuller study of the neutral Sulphite method Alexander P.Nitrosites of Caoutchouc and their application in the analysis of crude: Alkaloids Determination of by means of Potassium Bismuth iodide 316 Allihn F. Simple Bunsen Burner 176 Almonds Composition of fresh 87 Aloes Valuation of 249 Aloy J. and Laprade F. New reaction of subs’J&nces containing a Phenolic group 314 Alloys A rapid method for the determination of in Copper-tin 361 -- Dental Analysis of 361 Alumina Determination of Use of Tannic Acid in the 171 Aluminium and Chromium from Manganese Zinc Nickel and Magnesium Separa-for determining some 401 - in Oil of Lemon new method of estimating 334 Caoutchouc and Caoutchouc goods 213 Action of Arrhenal on 373 tion of by Hydroxylamine in ammoniacal solutions 349 - Chloride and Sulphate Iodometric determination of Aluminium in 379 - sulphate Iodometric 379 - in Aluminium chloride and Aluminium sulphate Iodometric determination.of 40 INDEX TO VOLUME XXX. 1-Aluminium in Aluminium sulphate and chloride The Iodometric determination of, 379 - in the Ash of Plants The determination of 408 - - Iron Determination of Quantitative in ignited mixtures containing -~ from Manganese Calcium and Magnesium Separation of in Alvarez E.P. Diphenylamine as a reagent for Nitrites Nitrates and Cblorates and -- New Colour reagent of the Polyphenols their isomers and higher large amounts of Alumina and small amounts of Iron 282 the analysis of Plant ashes 350 its use when mixed with Resorcinal and ,@-Naphthol 220 Organic compounds 210 - reaction for Aconitine 248 -- - reagent for Potassium 254 ~- P. Colour reactions of Pyruvic Acid with a- and P-Naphthols in Sulphuric - Observations on the use of Diphenylamine as a reagent for Nitrites, Amidopyrin Detection of Antipyrin in 248 Ammonia Detecting and determining New method of 218 Acid solution 278 Nitrates and Chlorates 285 - in Milk Determination of 242 -- and its value as a test of purity 273 Water Determination of 319 - oxalate its formula and stability 265 - in Gerber’s Fat Separator A bwette for the 384 Ammonium Bismuth molybdate Application of to gravimetric analysis 284 Amy1 Alcohol Note on commercial 77 Analysis Ultimate Note on 280 Analysts Standard powders for 358 Andersen A.C. and Sorensen S. P. L. Determination of Nitrogen in Lysine and Angenot H. Determination of Tin Antimony and Arsenic in ores and alloys 101 Anode Rotating Electrolytic determination of Nitric Acid with a 69 ~ - Simplified and its employment in technical work 348 similar compounds 315 t - determinations possible with a 67 -- -_-9 Use of a in the electrolytic estimation of Zinc 66 219 Antimony and Arsenic Determination of in presence of Organic matter 409 - Determination of Quantitative as trisulphide and its separation from - from Tin Separation of 281 Tin 281 -.- Tin and Arsenic in ores and alloys Determination of 101 Antipyrin and Pyranidin Volumetric estimation of in mixtures of the two substances, 400 - Determination of 22 -__ in Dimethylamido-antipyrin Detection of 248 Pyramidon Detection of 275 APPARATUS ABSTRACTS 28 72 103 140 176 223 287 321 356 383 416 Apricot-tree Gum Characteristics of 246 Arabic Gum in Gum Tragacanth Detection of 130 Arachin 130 Arachis Contribution to the knowledge of 130 Archbutt L.Action of slightly alkaline Waters on Iron 237 241 - Determination of Oxygen in Copper 148 Microscopic examination of Metals 14 ~ - - The Determination of Oxygen in Copper 38 vi INDEX TO VOLUME XXX.Archil Cudbear and other Lichen Colours Note on the detzction of 213 Arnaud F. W. F. and Cribb C. H, Action of slightly alkaline Waters on Iron 225 Arrhenal (Sodium Methyl Arsenate) on Alkaloids The action of 373 Arsenic Apparatus for use in the Gutzeit Test for 417 - and Antimony in the presence of Organic matter A method for the detection - Determination of small quantities of Electrolytic 166 ___I- Separating Method of 281 - in Fuels Estimation of 253 -__- Hydrogen peroxide Occurrence of 208 -___ the body Presence of and its secretion by the kidney 94 - Tin and Antimony in ores and alloys Determination of 101 - from Vanadium and Molybdenum The separation of 378 Artus aizd Cavallier Mm. Determination of Ammonia in Water 319 Ashbrook D. S. Electrolytic reparation possible with a rotating Anode 67 Ashe and Finlayson Mm.Cornparascope 290 Ashes Plant Analysis of Separation of Iron and Aluminium from Manganese, Calcium and Magnesium in the 350 - left after Cremation Detection of Poisons in the 94 Ashley R. H. Determination of Sulphites by Iodine 353 Asphalt Detection of adulteration in natural 214 - Pitch etc. Determination of the Melting-points of 251 Astruc A. and Pegurier G. Method of determining Paramidon 338 Auchy George The Caustic soda method of determining Molybdenum in Steel 410 Axenfeld - Invertin in Bee’s Intestines 62 Azo- and similar compounds Determination of Nitrogen in by Kjeldahl’s method 315 and determination of 409 Oxidation of Sulphites by Iodine in alkaline solutions 285 Bacillus coli Characters of the 19 Bacovesco The use of Zinc hydroxide as a reagent 380 Bailey E.M. and Winton A. L. Composition of American ‘‘ Noodles ” (nudeln), and methods for the analysis of the eame 245 - Determination of Vanillin Coumarin and Acetani-lide in Vanilla extract 275 Baker J. L. Action of slightly alkaline Waters on Iron 238 - Brewing Industry Review 260 -- Inversion of Cane-Sugar in presence of Milk constituents 123 - Volumetric determination of reducing Sugars 188 - and Dick W. D. Detection and estimation of small quantities of Maltose in the presence of Dextrose 79 Balata Gum 406 Balland - Composition of the tubers of edible Labiatz? 246 Bamberger M. and Landsiedl A. Constituents of Celery 22 Baobab-seed and Kapok Oils Dift’erentiation of Cotton-seed Oil from 98 Barbieri G.Volumetric determination of Nitrous Acid by means of Ceric sulphate, Barium bromide Precipitation of by Hydrogen bromide 220 - sulphate Solubility of in Chromic chloride solution 255 Barley Pearl Rice Millet and dried Peas Use of Talc as a coating or polishing Bartelt E. and Vaubel W. Influence of Sulphurous Acid on the determination of Basadonna M. a d Cantoni H. Examination of different methods of standardizing 320 material for 206 Boric Acid 285 Potassium permanganate solution 13 INDEX TO VOLUME XXX. vii Baudoin reaction in human Milk 244 Bauxite Analysis of Method for the 283 Baxter G. P. and Frevert H. L. Titration of Ferrous Iron with Permanganate in Gregory Paul and Griffin Roger Castle The determination of Phosphoric the presence of Hydrochloric Acid 350 Acid as Ammonium phosphomolybdate (Second Paper) 414 Bayley v Cook Adulterated Milk case 107 Beckmann E.Determination of higher Alcohols in Spirits 369 Beckstroem R. and Thorns H. Constituents of Essential Oil of drcorus calamus 61 Bedford M. Hume Columbates (Niobates) 415 Beef Corned containing Flour 308 Beer Ash of Malt Worts and the Determination of Sulphuric Acid in 162 Bees’ Intestines Invertin in 62 Beeswax Characters of Indian 57 Bellier J. Detection of foreign Oils in Walnut Oil 132 Bender C. Difficulty of dissolving the fused mass out of Platinum crucibles 323 Benedict S. R. Methods for the detection of Acetates Cyanides and Lithium 138 Bennett C. T. Adulteration of Eucalyptus Oil with Castor Oil 129 Bentin A.and Troger J. Composition of Pine Oils 93 m-Benzarnido-semicarbazide (Cryogenin) New colour reaction of 93 Benzene vapour in Coal GaB Bstimation of 23 Berg A. Reactions of Sugars containing the Aldehydic group 96 Bergamot Oil and other Oils of the Citrus series Note on 132 Berger H. W. and Hulett G. A. Volatilization of Platinum 140 Bertb E. New method of estimating Aldehydes in Oil of Lemon 334 Bertiaux L. and Hollard A. Analysis of commercial Tin and its alloys 26 Bertram H. and Binz A. Analysis of Sodium hydrosulphite 259 Bertrand G. Chemical composition and formula of Adrenaline 22 -- Coffees without Caffeine 399 - New Sugar from Mountain Ash Berries 131 - Physical characteristics of Adrenaline 92 Betaine Determination of Quantitative 134 Betti M.Gas-holder with constant flow 288 Bevan E. J. Action of slightly alkaline Waters on Iron 237 - Eschkn’s method of estimating Sulphur 173 - and Umney J. C. Oil of Eucaiyptus Polybractea 129 W. N. and Sherman H. C. Determination of Ammonia in Milk 242 -- Electrolytic determination of Bismuth 25 - Colorimetric estimation of Salicylic Acid 126 Determination of higher Alcohols in Spirits 194 -_ Photo-Micrography 331 -_- Some conditions affecting the Ether values of Brandy 153 Beythenien :4. Case of Iron contamination in a Water-supply due to Bacteria 283 Bilinski J. Determination of Sugar in Urine 162 Binz A. and Bertram H. Analysis of Sodium hydrosulphide 259 Birch-leaf Oil 98 Bird F. C. J. Note on the analysis of the compound Tincture of Camphor (Pare-- Separation of Strychnine and Brucine 263 Bismuth Determination of Electrolytic 25 - Lead Separation of 25 Bitumens Carbon tetrachloride as a solvent for differentiating 279 goricj 336 Ammonium molybdate Application to gravimetric analysis 284 and Copper Separation of 2 viii INDEX TO VOLUME XXX.Bituminous substances in Guttapercha Detection and determination of 133 Blendes etc. Zinc in Determination of 170 Blood Colouring matters and their decomposition products New reagent for the Blount B. Electric Furnaces for laboratory use 29 Blutn L. Detection of Ferrous salts in the presence of Ferric salts 101 Bodmer R. Note on an objectionable method of fining Wines 264 Bolton E. R. Volumetric determination of reducing Sugars 189 Bonnet F. Colorimetric method for the detection and determination of Formalde-BOOKS REVIEWS OF : detection of 25 - Inversion of Cane-Sugar in presence of Milk constituents 122 - Tin in the Stannous condition 101 hyde 249 Baker J.L. Brewing Industry 2630 Blount and Bloxam Chemistry for Engineers 384. Cohn. See Lassar-Cohn. Guttman L. F. Percentage Tables for Elementary Analysis 74 Gmelin-Krant’s Handbuch der anorganischen Chemie 420 Hepworth. See Mitchell and Hepworth. Lassar-Cohn Dr. - translated by Muir M. M. P. Chemistry in Daily Life, 3rd edition 144 9 -- Tingle Dr. J. B. Application of some --general reactions to investigations in Organic Chemistry 75 Waxes 3rd edition 178 between Organic compounds vol. i. 143 facture 74 Lewkowitsch Dr. J. Chemical technology and analysis of Oils Fats and Meldola R.Chemical synthesis of vital products and the inter-relations Mitchell C. A. afid Hepworth T. C. Inks their composition and manu-Muir. See Lasoar-Cohn. Tingle. See Lassar-Cohn. - in common Salt Occurrence of 309 Boric Acid Determination of Influence of Sulphurous Acid on the 285 Bougalt J. Detection of Sodium salts by Fremy’s reagent 256 Bourcet P. Detection of Antipyrin in Dimethylamido-antipyrin 248 - - Pyramidon 275 Boynton H. C. and H. K. Colorimetric determination of Carbon in Steel 28 Brahm K. Influence of Ozone on Wheat Flour 87 Brandel J. W. Essential Oil of Monarda citriodora 64 Brandies Essences Tinctures and fluid Extracts Detection of Wood Spirit in 333 Brandt W. and Mannich C. Yew adulterant of Ipecacuanha 60 Brandy Ether values of Some conditions affecting the 149 - and Whisky Notes on the history of distilled Spirits especially 293 Braun K.Determination of Glycerol in crude Glycerines etc. 312 Brewing Industry Review 260 Bromates Chlorates and Iodates Reduction of for the determination of the Bromides Chlorides and Iodides in mixtures New method of separating 259 Bromine Detection of in the presence of a large quantity of Iodine 220 Brown J. C. Determination of the organic Nitrogen in potable Waters 316 Brucine and Strychnine Separation of Note on the 261 Brunck O. New method for the estimation of Sulphur in Coal 381 - -- didyma 64 Halogens 319 and Chlorine in Iodine Determination of small quantities of 21 INDEX TO VOLUME XXX. ix Building materials Porosity of 354 Bunsen burner Simple 176 Burdock Oil of Constants of 65 Burette and stand 140 - for the Amy1 Alcohol in Fat separation 384 - Holder A new 419 Burgess H.E. Action of slightly alkaline Waters in Iron 240 - Determination of higher Alcohols in Spirits 195 - - and Page T. H. Note on Bergamot Oil and other Oils of the Citrus series 132 Burner Bunsen Simple 176 Burners Gas Simple regulator for use with large 105 Busch M. Gravimetric method of determining Nitric Acid 256 Butter Cacao Note on a fluid portion obtained from 313 -- Camel’s Characteristics of 370 - - Dutch Fatty Acids of Molecular weight of the non-volatile 186 -_ Goat’s Analytical values of 244 -- Rancidity in Chemical detection of 333 - Volatile Fatty Acids in 397 Butters Distinction of genuine from artificial Cryoscopic method for 87 - Examination of for adulteration by Cocoanut Oil 135 - Detection of small quantities of Sesame Oil in 370 Fat in Determination of Simple method for the 86 and Margarine Testing apparatus for 384 -Fat and Cocoanut Oil in Margarine Determination of 205 Cacao Butter Note on a fluid portion obtained from 313 Cadmium with the use of a rotating Anode The electrolytic determination of 413 - in solutions of Cadmium Sulphate and Chloride with an appendix to the same The application of the rotating Cathode to the electrolytic determination of 412 Caffeine Coffees without 400 - Note on the determination of 400 Calcium Estimation of Gravimetric 138 -_- and Magnesium Determination of 284 -- carbide Phosphorus in Estimation of 101 -- Manganese and Magnesium Separation of Iron and Aluminium from in Camel’s Butter The characteristics of 370 Camera for Photo-Micrographic work Simple and convenient 330 Camphor Cypress 63 - Tincture of (Paregoric) Note on the analysis of the compound 336 Cane-Sugar Inversion of in presence of Milk constituents 119 Cantoni H., and Basadonna M.Examination of different methods of standardizing -_- Chautems J. Method of separating Arsenic 281 Caoutchouc and Guttapercha Analysis of 214 Carbohydrates Colour reactions of 277 Carbon dioxide Absorption of Potash apparatus for the rapid 288 -- Liquid Analysis of 70 the analysis of Plant ashes 350 Potassium permanganate solution 139 of Guttapercha goods Nitrosites of Caoutchouc and their application in the analysis of 21.3 in Soils Determination of Organic 214 - Steel Determination of Colorimetric 2 X INDEX TO VOLUME XXX.Carbon Hydrogen and Nitrogen in Cyanides The determination of 376 - Monoxide in air The detection of traces of 407 - Steel and Iron New form of Eggertz tube for the determination of 177 Carthamus Tinctorius fruit Oil of Fixed 93 Casein Specific rotation of salts of 243 Caseins Solubility of diflerent in Pepsin-Hydrochloric Acid 90 Castor Oil Adulteration of Eucalyptus Oil with 129 Cathode Mercury Use of a in electrolysis 103 - Rotating Further investigation of the 106 Cathodes Rotating Material and form of 105 Cavalier and Artus Mm. Determination of Ammonia in Water 319 Celery Constituents of 22 Cementite Microscopic examination of 10 Ceresin Artificial Coloring matter in 131 Cerium group Preparation of pure earths of the by means of their double alkali Chltce E.MacK. Detection of Saccharin in Wine 205 Chapman A. C. Brandy 53 -- Colorimetric estimation of Salicylic Acid 127 trose 84 - Cod-liver Oil and Neat's foot Oil Refractometer values of 314 Carbonates 217 Detection of small quantities of Maltose in the presence of dex- Determination of higher Alcohols in Spirits 195 Some conditions affecting the Ether value of Brandy 154 Volumetric determination of reducing Sugars 189 and Law H. D. Reducing action of Hydrogen 306 Chautems J. and Cantoni H. Method of separating Arsenic 281 Chemical synthensis of vital products and the inter-relations of Organic compounds, technology and analysis of Oils Fats and Waxes 3rd edition Review 178 Chemistry for Engineers and Manufacturers Blount B.and A. G. Bloxam, - in Daily Life Review 3rd edition 144 Chestnut Flour The composition of 371 Chlorates Bromates and Iodates Reduction of for the determination of the Halogen, Nitrites and Nitrates Diphenylamine as a reagent for and its use when -? - Observations on the use of Diphenylamine as a re-- Separation of Strychnine and Brucine 263 Vol. I. Review 143 vol. ii. Review 384 319 mixed with Resorcinol and P-Napthol 220 agent for 285 Chloric Acid Determination of Method for the 69 Chlorides Bromides and Iodides in mixtures New method of separating 259 Chlorine Generation of for analytical purposes 367 -_- and Bromine in Iodine Determination of small quantities of 219 -- in Urine Determining Rapid method of 346 Christensen A.Determination of Iron in Ferrum redactum 338 Christomanos A. C. Quantitative determination of Phosphorus in solutions 70 Chromium and Aluminium from Manganese Zinc Nickel and Magnesium Separa-tion of by Hydroxlamine in amrnoniacal solutions 349 - Estimation of Manganese in presence of 380 - in Steel Determination of 136 9 Note on the 136 -Chwolles A. and Esch W. Analysis of Caoutchouc and Gutta-percha 21 INDEX TO VOLUME XXX. xi Chwolles A. and Esch W. Contribution to Rubber analysis 99 Citral in Lemon Oil Determination of 371 Citric Acid in Wines Detection and estimation of 88 Citrus series Oils of the Note on Bergamot Oil and other 132 Clowes E.S. Olsen J. C. and Weidmann W. O. Determination of Manganese as Coal New method of estimation of sulphur in 381 -,- -Tar Apparatus for evaluation of 287 Cobalt Reaction of Characteristic 216 Cochren C. B. Determination of Fat in Infant and Invalid Foods 308 Cocoa ash Natural alkalinity of 206 the green sulphide 281 Gas Benzene vapour in Estimation of 23 and Nickel Elecrolytic analysis of 167 preparations Modifichion of Welmans’ method for Sugar and Fat estimation in. 397 Cocoanut Oil Adulteration by Examination of Butters for 155 - - - Purity of Test of the 276 -_- and Butter-Fat in Margarine Determination of 205 --- in Margarine The detection of 396 -- Test for the purity of 370 Codein from Dionin Method of distinguishing 310 Cod-liver Oil Castor Oil and Neat’s foot Oil Refractonieter values of 314 -_- standards 208 Coffees without Caffeine 399 Coffignier C.! Characteristics of certain African Copals 133 Cohen W.and Jannasch P. Quantitative separations in presence of Hydroxlamine, Cohn R. Adulteration of Beeswax 129 - See Lassar-Cohn Coleus Composition of the tubers of various species of 246 Collie J. N. Nethod for the rapid ultimate analysis of certain Organic compounds, Colorimeter for general use with remarks on Colorimetric methods and apparatus A Colouring matter in Ceresin Artificial 131 - matters Blood New reagent for the detection of and their decomposition and Butter The volatile Fatty Acids of 397 349 134 simple 416 products 25 in Fats Detection of artificial 244 __- Mustard Detection of artificial 91 -___ Pastry Detection of artificial 57 Colour in Mustards Determination of artificial 308 Coloum Lichen Detection of Archil Cudbear and other 213 Columbates (Niobates) 415 Combustion-boats Crucibles Tubes etc.of pure Magnesia 356 Cornparascope 390 Comte P. The composition of Chestnut Flour 371 Conine Nicotine Sparteine Tests for distinguishing between 372 Conium fruit Oil of Constants of 65 - herb Oil of Constants of 65 Cook Bayley v. Adulterated Milk case 107 Copal Oils 403 Copals Characteristics of certain African 133 - of certain substances The origin of the Water obtained in the 40 xii INDEX TO VOLUME XXX. Copper Determination of Oxygen in 385 Microscopic examination of 11 Oxygen in Determination of 145 - Volumetric method for estimating 408 - and Bismuth Separation of 25 - free Matte in Scoriz Determination of 253 ferrocyanide Analysis of 280 Coreil F.Composition of fresh Almonds 87 Cormimboeuf H. Analysis of Iron sesquioxides 168 ~- Detection of Bromine in the presence of a large quantity of Iodine, Cotton-seed Oil from Kapok and Baobab-seed Oils Differentiation of 98 Coudon H. cmd Muentz A. Examination of Butters for adulteration by Cocoanut Coumarin Vanillin and Acetanilide in Vanilla extract Determination of 275 Cramer E. and Seger H. Porosity of Building materials 354 Crampton C. A. and Simons F. D. Detection of Palm Oil when used as a Colouring Cream Thickening material (Grossin) for 57 Cremation Detection of Poisons in the ashes left after 94 Cresol Disinfectants Determination of Metacresol in 342 Cribb C.H. Brandy 51 Croner and Cronheim A new test for Lactic Acid 403 Crucible lid Improved form of 105 - triangle A practical form of 383 Crucibles Platinum Note on the durability of 28 Cruser F. van D. and Miller E. H. Application of Bismuth Ammonium molybdate Cryogenin (m-Benzamido-sernicarbazide) New colour reaction of 93 Cudbear Archil and other Lichen Colours Note on the detection of 213 Cupric ferrocyanide Analysis of 280 Cyanide slime Analysis of a Bueb’s 354 Cyanides Acetates and Lithium Methods for the detection of 138 Cypress-Camphor 63 -- Oil 63 220 Oil 155 material in Oils and Fats 250 - Some conditions affecting the Ether value of Brandy 154 - aizd Arnaud F. W. F. Action of slightly alkaline Waters on Iron 225 Tubes Combiistion-boats etc.of pure Magnesia 356 to gravimetric analysis 284 Dahmer G. a d Kuster I?. W. Solubility of Barium sulphate in Chromic chloride Dannenberg K. Detection of artificial Colouring matters in Pastry 57 Daturic Acid 213 Davies L. J. and Rowland J. S. Determination of Phosphorus in Iron ores 168 Davison Alice L. The electrolytic determination of Cadmium with the use of a Dehn W. M. Rapid method of determining Chlorine in Urine 346 De Koninck L. L. Testing Zinc oxide used for the estimation of Manganese by Dejust H. Detection of traces of Carbon dioxide in Air 407 De la Source If. Villiers - Rocques - aizd Fayolle - Detection of Saccharin DenigAs G. Detection of Indoxyl (Indican) in Urine 100 Dennstedt M. and Hassler F.On the estimation of Sulphur in Pyrites 380 solution 255 rotating Anode 413 Potassium permanganate 136 in Wines etc. 2 . INDEX TO VOLUME XXX. X l l l Dennstedt M. Simplified Ultimate Analysis and its employment in technical work, Density determinations by means of a Pipette and the preparation of Volumetric Deussen E. Quantitative determination of Iron and Aluminium in ignited mixtures Dextrose Conversion of into Ltevulose and the determination of Lzvulose 344 - Detection of by Barford's Cupric acetate method 161 Dialyzing membrane A strong sterilizable 416 Dibdin W. J. Action of slightly alkaline Waters on Iron 238 Dick W. D. Volumetric determination of reducing Sugars 188 348 - Organic analysis quick method 135 solutions according to specific gravity 224 containing large amounts of Alumina and small amounts of Iron 282 - and Baker J.L. Detection and estimation of small quantities of Maltose in the presence *of Dextrose 79 Dickson S. Determination of Okygen in Copper 145 Dika Fat 394 Dimethylamido-antipyrin Analysing New method of 309 -___- Detection of Antipyrin in 248 Dimethylaniline Preparation of 100 Dionin from Codein Method of distinguishing 310 Disinfectants Cresol Determination of Metacresol in 342 Dittrich M. and Pohl R, Determination of Zirconium in presence of Titanium, Ditz A. and Margosches B. M. Quantitative determination of Iodine in soluble Divine R. E. Use of Tannic Acid in the determination of Alumina 171 Dcniergue A. Flowers of Sulphur and sublimed Sulphur 92 Donatti E.Characteristics of Stearin Pitches 251 Drop-point True and an apparatus for its determination 359 Dubois W. L. and Le Clerc J. A. Determination of Sulphur and Phosphoric Acid Dumitrescu G. The action of certain metals on Molybdenum Salts in the presence Dumont . Dunlap E. A. and Mallinckrodt E. Meconic Acid in the United States Pharma-copceia 1890 Assay of Opium and certain Meconates 337 Dunn J. T. and Pattinson J. Some sources of error in Sulphur determinations, 174 Dupr6 P. V. Ammonium oxalate its formula and stability 266 especially in Rocks 254 Iodides and in mixtures with Bromides and Chlorides 219 in Foods etc. 90 of Sulphurous Acid 414 See Schmi t z-Dumont Eggertz tube for the determination of Carbon in Steel and Iron New form of 177 Electric Furnace for laboratory use 29 Electrical heater for laboratories 104 Electrolytic separations possible with a rotating Anode 67 Emery J.A. Determination of Nicotine in presence of Pyridine 96 Emmerling O. Origin of Fuse1 Oils 160 Enell H. Determination of Phosphorus in Phosphorized Oil 373 Engel Dr. - Baudouin reaction in Human Milk 244 Enzymes New reaction for 134 Esch W. and Chwolles A. Analysis of Caoutchouc and Guttapercha 214 Escot. See Pozzi-Escot Essences Brandies Tinctures and fluid Extracts Detection of Wood Spirits in 333 Ethyl Alcohol Detection of Methyl Alcohol in liquids containing 369 --- Contribution to Rubber analysis 9 xiv INDEX TO VOLUME XXX. Ethyl and Methyl Alcohols in mixtures Detection and determination of by the Eucalyptus Oil Adulteration of with Castor Oil 129 Extractors Extraction of Tannin materials with various 316 Extracts Fluid Essences Brandies and Tinctures Detection of Wood Spirit in 333 Immersion Refractometer 339 - polybractea Oil of 129 Faxes Foods and Urine Determination of Sulphur and Phosphoric Acid in 346 Fahrion TV.Separation of Fatty Acids 97 Fairley T. Presidential Address to the Society of Public Analysts 110 Brandy 44 - Notes on the history of distilled Spirits especially Whisky and Brandy, 293 Farnsteiner K. and Stuber W. Composition of Orange juice 59 Fat Butter and Cocoanut Oil in Margarine Determination of 205 -- Dika 394 _- extraction from Milk 128 - Flesh of Meats Determination of by Gerber’s Acido-Butyrometer 21 - Milk Detection of foreign 86 Fats Colouring matters in Detection of artificial 244 - and Oils Colouring material in Detection of Palm Oil when used as a 250 - Refractometer scale for use with Comparative 176 - Oils and Waxes Chemical technology and analysis of Reciezu 3rd edition 178 Fatty Acids Separation of 97 Fayolle - Villiers - De la Source M.and Rocques - Detection of Saccharin Fendler G. Characteristics of Sperm Oil 276 - Detection of Sesame Oil in the presence of certain Dyestuffs 98 -- Fixed Oil of Carthamus Tinctorius fruit 93 Fernekes G. and Koch A. A. Volumetric methods for estimating Copper 408 Pee.1.onia elephantum Gum of 165 Ferrosilicon Chemistry of high-percentage Note on the 102 Ferrous salts Detection of in the presence of Ferric salts 101 Ferrum Redactum Determination of Iron in 338 Fertilizers Soils and Plants Estimation of Potash in 255 Fibre Wood Colour reactions of Investigation of the 24 Filter Suction Improved 290 Filtering apparatus New 323 ‘‘ Fining materials,” Influence of various on the composition of Wine 128 Fining Wines Note on an objectionable method of 264 Finlayson and Ashe Mm.Comparascope 290 Fischer K. and Peyau H. Note on Halphen’s reaction for Cotton-seed Oil 131 - T. Estimation of the halogen in halogen salts of Mercury 252 Fish and Rosin Oils in boiled Linseed Oil Detection of 97 Fisher - Brandy 44 Flamand C. and Prager B. Determination of Nitrogen in Azo- and similar Flesh Nitrogenous constituents of 89 - or Meats Determination of Fat in by Gerber’s Acido-Butyrometer 21 Flora Charles P. The application of the rotating Cathode to the electrolytic in Butter Determination of Simple method for the 86 Infant and Invalid Foods Determination of 308 - of Dutch Butter Molecular weight of the non-volatile 86 in Wines etc.21 - Some conditions affecting the Ether value of Brandy 153 compounds by Kjeldahl’s method 31 INDEX TO VOLUME XXX. xv determination of Cadmium in solutions of Cadmium sulphate and chloride with an Appendix to the same 412 Floris R. B. a d McGowan G. Estimation of Arsenic in Fuels 253 Flour Wheat Influence of Ozone on 87 - Chestnut Composition of 371 Foods Infant and Invalid Determination of Fat in 308 FOODS AND DRUGS ANALYSIS. ABSTI~ACTS 21 57 86 128 155 205 242 273 307,333 Foods etc. Determination of Sulphur and Phosporic Acid in 90 - Faeces and Urine Determination of Sulphur and Phosphoric Acid in 346 Foodstuffs Salicylic Acid in Colorimetric estimation of 124 Formaldehyde A study of the Hydrogen peroxide method of determining 401 -_ Detection and determination of Colorimetric method for the 249 ___- Determination of Gasometric 312 - 7-- in Milk Detection of Vanillin in 340 - Study of methods for the 249 Formalin Influence of on the estimation of total solids in Milk 128 Forrest C.N. a d Richardson C. Carbon tetrachloride as a solvent for differentiating Frankforter G. B. awi! West R. Gasoinetric determination of Formaldehyde 312 Freezing-point method Modification of the 72 Frerichs G. Diphenylamine test for Nitric Acid 174 Fresenius W. and Grunhut L. Analysis of Vioform and Vioform gauze 157 Frevert H.L. and Baxter G. P. Titration of Ferrous Iron with Permanganate in Friedheim C. a d Pinagel A. Alleged volatility of Silicon dioxide at the instant of precipitation by a strong acid 321 - Henderson W. H. aid Pinagel A. Separation of Tungsten trioxide and Silicon dioxide by means of gaseous hydrogen chloride and the analysis of Silicon Tungstates 318 Friedheim C. Decker O. and Diem E. The separation of Arsenic from Vanadium Friedrich K. Determination of Silver in Zinc and the amount of Silver in various Friedrichs and Von Greiner Mm. New Automatic Pipette 290 Friswell H. J. Improved form of Kipp’s apparatus 73 Froehner A. and Luhrig H. Natural alkalinity of Cocoa ash 206 Frommer V. A new reaction for the detection of Acetone in Urine 402 Fuels Arsenic in Estimation of 253 Furnaces Electrically-heated Carbon tube 291 Fuse1 Oils Alcohols in Estimation of the amount of 339 Bitumens 279 the presence of Hydrochloric Acid 350 and Molybdenum 378 grades of commercial Zinc 65 - for laboratory use Electric 29 - Origin of 160 Gas Coal Benzene vapour in Estimation of 23 -burners Simple regulator for use with large 105 -holder with constant flow 288 regulator Novy’s Highly sensitive modification of 106 Gases New apparatus for the supply of 324 Gasparini O.The purification of arsenical Sulphuric Acid 416 Gaunt R. Determination of Alcohol by the freezing-point method 158 Gauze Vioform and Vioform Analysis of 157 Gawalowski A. Some reactions of Hydrofluosilicic Acid 221 Geisel E. New apparatus for the supply of Gases 324 dried by Phosphorus pentoxide Note on the amount of moisture in 10 xvi INDEX TO VOLUME XXX.Gerhardt - Determination of free Phosphoric Acid in Superphosphates 258 Ginger Determination of the cold-water extract yielded by ground 92 Glasmann B. New iodometric method of determining alkali Heptamolybdates 173 - method of determining Molybdenum trioxide and Vanadium Reduction of Molybdenum compounds in Sulphuric Acid Solution by pentoxide in the presence of each other 171 means of Mercury 172 Glass Quartz Use of vessels of in the laboratory 223 Glassware Chemical 358 Glucose in some Saccharine products Determination of commercial 88 Glue Nitrogen in Differentiation of the different forms of 99 Glycerin Estimating Direct method of 160 Glycerines etc.Determination of Glycerol in crude 312 Glycerol in crude Glycerines etc. Determination of 312 Glycuronic Acid Estimation of 346 Gmelin-Kraut’s (‘ Handbuch der Anorganischen Chemie,” 7th Edition Rwiew, Goat’s Butter Analytical values of 244 Goetzl A. Estimation of Sulphur in liquid Fuel and Petroleum 376 Goldschmidt C. Laboratory methods 100 Gooch F. A. Procedure for solution and reprecipitation of Precipitates 382 Goodson J. A. and Richmond R. D. Note on commercial Amy1 Alcohol 77 Graduated Glass instruments The obliteration of the Colours in 383 Grafe V. Investigation of the colour reactions of Wood fibre 24 Grape-seed Oil Composition of 212 Greiner. See Von Greiner Griffon Le Analysis of 22 Grimbert L. Occurrence of Arsenic in Hydrogen peroxide 208 Grimsell E.New apparatus for the determination of Vapour Densities 357 Grindley H. S. Nitrogenous constituents of Flesh 89 Groger Max Estimation of Manganese in presence of Chromium 379 “ Grossin,” a thickening material for Cream 57 Grossmann H. and Lunge G. Further report on Parr’s process for the determination Grunhut L. and Fresenius W. Analysis of Vioform and Vioform gauze 157 GuBrin C. Colour reactions of certain Alcohols and Hydroxylated bodies 95 Guigues P. So-called “ Manipulated” Opiums 337 Gum Apricot-tree Characteristics of 246 - Arabic in Gum Tragacanth Detection of 130 - of Ferowia elephanturn 165 - Tragacanth Detection of Gum Arabic in 130 Guigues P. On the Resins of Scarnmony 372 Gutbier A. Note on a recreation of Potassium ferrocyanide 68 - Quantitative edimation of Tellurium 172 - Use of Phosphorous Acid for the determination of Selenium and -~ and Wagenknecht W.Note on the quantitative estimation of Tellurium, - Metzner G. and Lohmann J. Comparative examination of the gravi-Guttapercha Bituminous substances in Detection and determination of 133 in Wines Determination of 333 - Soap Determination of 130 420 of the Heat of Combustion 347 Wood-apple 165 Tellurium 71 172 metric methods for the determination of Selenium 7 INDEX TO VOLUME XXX. xvii Guttapercha and Caoutchouc Analysis of 314 Guttmann L. F. Percentage Tables for Elementary Analysis Heciczu 74 Gutxeit E. Determination of ash in Vegetable substances 317 Gwiggner A. Dropping Bottle for Hydrofluoric Acid 418 Haas - Note on the chemistry of high-percentage Ferrosilicon 102 Hac R.mid Milbauer J. Determination of Iodine cyanide in the presence of iodine 286 Hackel R. Determination of the solidification-point of Lubricating Oils 163 _ _ _ _ - _ ~ Hackford J. E. and Trotman S. R. Differentiation of the Different forms of Nitrogen ___ viscosity of Lubricating Oils 163 in Glue 99 _ _ - - . - Electrical heater for laboratories 104 Hake C. N. Exudation of Nitro-glycerin from Cartridges 407 Halogens and Sulphur in Organic substances Apparatus for determining 418 Halphen G. Detection of Oil extracted by Carbon bisulphide in expressed Olive Oil, Hanson H. N. mid Richardson I’. W. Valuation of Lubricants with special Hardy L. Analytical values of Goat’s Butter 244 Harrison J.B. P. Brandy 48 Harry F. T. and Mummery W. R. Colorimetric estimation of Salicylic Acid in Hartwigsson H. Estimation of Sulphur in Iron ores Slags Limestones etc, 169 Haupt H. and Ludwig W. Sugar as a natural constituent of Mace 207 Haywood J. K. aid Smith B. H. X study of the Hydrogen peroxide method of Heat of Combustion Determination of the Further report on Parr’s process for Heating Apparatus or Boiler with Stirrer A small 419 Hefelmann R. Occurrence of Boric Acid in common Salt 309 Hehner O. Brandy 36 Henderson W. H. Friedheim C. C L ’ I L ~ Pinagel A Separation of Tungsten trioxide and Silicon dioxide by means of gaseous Hydrogen chloride and the analysis of Silico-Tungstates 318 313 reference to Cylinder Oils 378 Determination of Cane-Sugar in sweetened Condensed Milk 123 Foodstugs 134 determining Formaldehyde 401 the 347 Hendrixson W.S. Method for the determination of Chloric Acid 69 Hennecke - Determination of the purity of Iodine 208 Heptadecylic Acid Alleged natural occurrence of 212 Heptrtmolybdatcs New iodometric method for Determining alkali 173 Hepworth T. C. wtd Mitchell C. A. Inks their composition and manufacture, Heron J. Brandy 48 Hesse A. Simple Method for tbe determination of Fat in Butter 86 Heteropterin 60 Heteropteris paTLci$ora as an adulterant of Ipecacuanha 60 Hett nizd Ahrens Mm. Detection of resinous adulterants in Storax 61 Hewitt Dr. J. T. Determination of higher Alcohols in Spirits 194 Xeviezo 74 Some conditions affecting the Ether value of Brandy 153 T.E. Colorimetric determination of Phosphorus 257 -- - ___- in Iron and Steel 137 Hlavnicka 0.’ J. Methods of titration of Phosphoric Acid 257 Higher Alcohols in Spirits Determination of 369 Hill C. A. and Collins H. S. Apparatus for use in the Gutzeit test for Arsenic 417 xviii INDEX TO VOLUME XXX Hill Hibbert Winslow A strong sterilixable Dialysing membrane 416 Hinrichs C. G. The difYei-entiation of Nitrates from other oxidizing agents by the Hoffbauer R. and Tschirch h. Valuation of .Uoes 249 Hoft H. Influence of Formalin on the estimation of total solids in Milk 128 Holde D. Alleged natural occurrence of Heptadecylic Acid 212 Hollard A. aizd Bertiaux L. Analysis of commercial Tin and its alloys 26 Hooper D. Characters of Indian Beeswax 57 Hopfgartner K.Standardization of Permanganate solutions by means of silver 286 Hopopyrocatechol Colour reactions of 210 Howard D. L. Note on the separation of Strychnine and Brucine 261 Howden R. and Ibbotson F. Determination of Chromium in Steel 136 - ~ _ _ _ _ _ - -Hiibner E. W. New Filtering apparatus 323 Hulett G. A. and Berger H. W. Volatilization of Platinum 140 Huntington Professor - &licroscopica,l examination of Metals 13 Hurt H. and Mai C. Detection of Poisons in the ashes left after Cremation 94 Hussein A. Detection of Sodium silicate in Soap 252 Hutton R. S. and Patterson W. H. Electrically heated Carbon tube Furnace 291 Hydrofluoric Acid Dropping Bottle for 418 Hydrofluosilicic Acid Some reactions of 321 Hydrogen Reducing action of 306 - Carhon and Nitrogen in Cyanides Determination of 376 - peroxide Arsenic in Occurrence of 208 Hydroquinone Colour reaction of 210 Hydrosulphite Sodium The preservation of solutions of 382 Hydroxylamine Dbtermination of Volumetric by means of trivalent Titaniuiii 95 ______- - - Quantitative separations in presence of 349 Hydroxylated bodies and Alcohols Colour reactions of certain 95 Diphenylarnine reaction 381 Electrolytic determination of Bismuth 25 - Note on the determination of Chromium in Steel 136 Electrolytic determination of small quantities of Arsenic 166 Ibbotson F.mzd Howden R. Determination of Chromium in Steel 136 -Ilez Paraquayensis Essential oil of 61 Indican (Indoxyl) in Urine Detection of 100 Indicator Starch Preservative for 62 Indoxyl (Indican) in Urine Detection of 100 Ingham L.H. Electrolytic determination of Nitric Acid with a rotating Anode 69 -- Use of a rotating Anode in the electrolytic estimation of Zinc 66 216 Ink Vitro- 107 Inks their composition and manufacture IZez;iew 74 IKORGANIC ANALYSIS. ABSTRACTS 25 65 100 136 166 215 252 280 317 349, Institute of Chemistry. --- . --___- . Syllabus 360 Iodates Chlorates and Bromates reduction of for the determination of the Iodide Determination of in the presence of Bromide and Chloride 69 Iodides Chlorides and Bromides in mixtures New method of separating 250 Iodine Bromine and Chlorine in Determination of small quantities of 219 - Note on the determination of Chromium in Steel 136 377 408 Annual Meeting 140 Pass Lists 76 180 292 halogen 319 Purity of Determination of the 208 cyanide Determination of in the presence of Iodine 28 INDEX TO VOLUME XXX xix Iodine in soluble Iodides and in mixtures of Iodides with Bromides and Chlorides, Iodoform Detection of 309 Ipecacuanha New adulterant of 60 Iron Action of slightly alkaline Waters on 225 .-__ Ferrous Titration of with Permanganate in the presence of Hydrochloric ___ Oxides of Stability of in Hydrofluoric Acid 282 Quantitative determination of 219 Acid 350 Pig hficroscopic examination of 10 Silicon in Determining Improvement in Drown and Shimer’s method of 27 Wrought Microscopic examination of 10 and Aluminium Determination of Quantitative in ignited mixtures containing large amounts of Alumina and small amounts of Iron 282 ~ - _ _ _ ~ _ from Manganese Calcium and Magnesium Separation of in the analysis of Plant ashes 350 - Steel Carbon in New form of Eggertz tube for the determination of, ____--__- Phosphorus in Colorimetric determination of 137 _ _ _ _ _ _ _ Sulphur in Determination of Radically new method for the 71 Thorium from Uranium Quantitative separation of 349 Platinum Separation of 317 177 contamination in a Water-supply due to Bacteria Case of 283 from Maganese and Magnesium Separation of by Hydroxylamine in am-in Perrum redactum Determination of 338 - ores Phosphorus in Determination of 168 sesquioxides Analysis of 168 determination of the halogen 319 moniacal solutions 349 -___- Slags Limestones etc.Estimation of Sulphur in 169 ,Jahn A. and Jannasch P.Reduction of Chlorates Brornates and Iodates for the Jannasch P. awl Cohen W. Quantitative separations in presence of Hydroxyl-amine 349 . ,Tahn A. Reduction of Chlorates Bromates and Iodates for the determination of the halogen 319 - Riihl F. Separation of Iron from Manganese and Magnesium, and of Aluminium and Chromium from Manganese Zinc, Nickel and Magnesium by Hydroxylamine in ammoniacal solutions 349 Schilling J. Quantitative separation of Iron and Thorium from ____ -, Uranium 349 # ,Jean F. Commercial substitute for Pepper 22 ~- Treatment of Frying Oils. 21 Jeancard un(1 Satie Rlni. Cotnposition of Rose Oils 64 Jefiers E. H. Yolunietiic determination of reducing Sugars 188 Jene K. Electrolytic method of estimating Zinc 350 ,Tenkins ,J. H.B. Action of slightly alkaline Waters on Iron 239 _I____I__- Photo-micrographic Camera 332 Jensen Knud The Detection of Cocoanut oil in llargarine 396 - O. The volatile Fatty Acids of Cocoanut oil and Butter 397 Jeroch W. and Ruff O. Titration of Sulphurous Acid in alkaline solution 259 W. Estimation of Sulphur in hurnt Pyrites 253 ~- Determination of Oxygen in Copper 148 -_ c r ~ d Riddick D. G. Microscopic examination of Metals 2 c XX INDEX TO VOLUME XXX. Kahn J. Detection of Methyl Alcohol in liquids containing Ethyl Alcohol 369 Ketones and Aldehydes Some Neutral Sulphite Method for determining in Essential Oils 401 Kapithamia piscum 165 Kapok and Baobab-seed Oils Differentiation of Cotton-seed Oil from 98 Kaschinsky P. Separation of Iron and Aluminium from Manganese Chromium, Katbel-ki-gond 165 Katz J.Improved suction Filler 290 Kaye F. c l i i d Schidrowitx P. Determination of higher Alcohols in Spirits 190 -149 Kippenberger C. A Burette for the Amy1 Alcohol in Gerber’s Fat Separator 384 ~-Kirschner A. Determination of Butter-Fat and Cocoanut Oil in Margarine 205 Kirschter C. and Ost H. Analysis of a Bueb’s Cyanide Slime 354 Kita T. Determination of Fat in Flesh or Meats by Gerber’s Acido-Butyronieter 21 Kitt MI. On the Gelatinization of Tung Oil 403 Kjeldahl’s method Determination of Nitrogen by 314 _____ in Azo- and similar compounds by 315 Klimont J. Composition of Borneo Tallow 24 Klinkerfues F. Practical hints for the performance of an easy and convenient Kollock Lily G. and Smith Edgar F.The use of a rotating Anode and Mercury Koninck. See De Koninck Kreider L. L. Simple apparatus for the determination of Volumetric substances by Krug O. The Quantity of Sodium Salts occurring in wines 397 Krzizan R. Adulterated Saccharin 338 Kiihn A. The Obliteration of the Colours in Graduated Glass Instruments 383 Kiister F. W. Preparation of pure Sodium hydroxide for laboratories 68 and Magnesium in the analysis of Plant ashes 350 -- Some conditions affecting the Ether value of Brandy, Testing Apparatus for Buttor and Margarine 384 __-estimation of Potassium 172 Cathode in Xlectro-Analysis 413 difference 223 mid Dahmer G. Solubility of Barium sulphate in Chromic chloride - Munch S. Density determinations by means of a Pipette and solution 255 the preparation of Volumetric solutions according to specific gravity 224 La Wall C.E. Behaviour of Vanillin in Formaldehyde tests 340 Labiate Composition of the tubers of edible 246 Laboratory methods 100 Lacs Linoleum etc. Examination of Linseed Oil used in the Manufacture of 376 Lactic Acid a new Test for 403 Lactose Maltose Raffinose Saccharose Quantitative hydrolysis of 375 Lipvulose Conversion of Dextrose into Levulose and the determination of 344 Landsiedl A . Apparatus for determining the Melting-point of Organic substances, --_I - Improved Measuring-tube for Dumas’ Nitrogen process 74 ~~ - nnd Bamberger If, Constituents of Celery 22 Langmuir A. C. Determination of Rosin in Shellac 1G4 Laprade F. nud Aloy d. New reaction of substances containing a Phenolic group, Lard Examination of from Pigs fed on Cotton-seed meal 244 Lassar-Coha Tap for Glass Apparatus whilst using alkaline liquids 383 Volatility of in steam 250 289 3 1 INDEX TO VOLUME XXX.xxi Lassar-Cohn Dr - ti*nitsInted by Muir M. If. P. Chemistry in Daily Life Reziezo, - Tingle Dr. J . B. Application of some general 3rd Edition 144 9 reactions to investigations in Organic Chemistry Reviezii 75 Lasserre A. The actiou of Aldehyde and Acetone on Mercuric Acetate 377 Laurel Oil Reactions of 236 Law H. D. am? Chapman A. C. Reduction action of Hydrogen 306 Le Clerc ,T A. u?zd Dubois W. L. Determination of Sulphur and Phosphoric Acid Leach A. I:. Determination of added Mustard hulls in ground Mustard 58 in Foods etc. 90 t commercial Glucose in some Saccharine products 88 -- w i d Lythgoe H.C. Comparative Refractometer scale for use with Fats and Oils 176 ~ _ _ _ _ _ Detection and determination of Ethyl and Methyl Alcohols in mixtures by the Immersion Refractometer 339 __ Detection of watered Milk by the Refractometer, 57 Lead electrolytically The rapid Determination of 412 - Silver from Separation of 25 - and Bismuth Separation of 25 ___ precipitant in Sugar analysis Potassium oxalate as a 209 Lemaire P. Determination of Antipyrin 22 Lemeland P. Characteristics of Apricot-tree Gum 246 Gum of Feyonia elephantuna 165 Lemon Oil of Aldehydes in New method of estimating 334 - Oil Determination of Citral in 371 Lenton W. H. Assay of Opium and its preparations 247 Leuba A. Analysis of Cupric ferrocyanide 280 Levy A.G. Rapid method for Determining Tin in Copper-tin Alloys 361 ~- Water from the Simplon Tunnel 367 Lewkowitach Dr. J. Chemical technology and analysis of Oils Fats and Waxes, Leys A, Action of Aldehydes upon Mercuric oxide in the presence of an alkali, Lichen Colours Detection of Archil Cudbear and other 213 Lidholm H. Estimation of Phosphorus in Calcium carbide 101 Separation of Silver from Lead 166 Lienau II. Method for the analysis of Bauxite 283 Limestones Iron ores Slags etc. Thtiination of Sulphur in 169 Limette Oil West Indian 65 Lincoln A. T. A new Burette Holder 419 Ling A. R. nuci Rendle T. T7olurnetric determination of reducing Sugars 182 Linoleum Examination of Linseed Oil used in the Manufacture of 376 Linseed Oil Boiled Detection of Rosin and Fish Oils in 97 White Acetic Acid in Determination of 253 LEGAL CASES 107 179 Review 3rd Edition 178 - -_ G.Dika Fat 394 341 Hermann A practical form of Crucible Triangle 383 Edible Constants of 132 - used in the manufacture of Lacs Linoleum etc. Examination of 376 Lippert W. Detection of Rosin and Fish Oils in boiled Linseed Oil 97 Lippmann E. Note on simplified Ultimate Analysis 280 Lithium Acetates and Cyanides Methods for the detection of 13 xxii INDEX TO VOLUME XXX. Litterer G. The Composition of the Essential Oil from the Leaves and Stalks of the Sweet Orange 398 Lloyd S. J. Determination of Phenol 209 -- Tribromphenolbromide ils detection estimation rate of formation, and roaction with Hydriodic Acid 209 Lohmann J.Gubier A. and Metaner G. Comparative examination of the gravi-metric methods for the determination of Selenium 71 Long J. H. Specific rotation of salts of Casein 243 Lubricants Valuation of with special reference to Cylinder Oils 278 Lubricating Oils Solidification point of Determination of the 163 - Viscosity of Determination of the 163 Ludwig W. and Haupt H. Sugar as a natural constituent of Mace? 207 Luhrig H. and Froehner A, Natural alkalinity of Cocoa ash 206 Lurniire A. L. awl Seyewetz The Preservation of Solutions of Sodium Hydrosul-Lunge G. anc7 Grossmann H. Further report on Parr’s process for the determination Lyons A. B. New Colour Reactions of Aldehydes 401 Lysine and similar compounds Determination of Nitrogen in 315 Lythgoe H. C.and Leach A. E. Comparative Refractometer scale for use with Fats and Oils 176 __.-_I-__-_ ~ - Detection and determination of Ethyl and Methyl Alcohols in mixtures by the Immer-sion Refractometer 339 --- - Detection of watered Milk by the Refracto-phite 382 of the Heat of Combustion 347 meter 57 Mace Investigation of 371 - Sugar as a natural constituent of 207 MacFarlane J. and Mears J. Estimation of Oil in Water from Condensing Engines, Magnesia Crucibles Tubes Combustion boats etc . of pure 356 Magnesium and Calcium Determination of 284 --_ Manganese Separation of Iron from by Hydroxylamine in Manganese and Calcium Separation of Iron and Aluminium from in Zinc and Nickel Separation of Aluniiniurn and Chromium Mai C. and Hurt H. Detection of Poisons in the Ashes left after Cremation 94 -__-__ Electrolytic determination of small quantities of Arsenic, Maigret E.Determination of Calcium and Magnesium 284 Malenkovic B. Detection of adulteration in natural Asphalt 214 Mallinckrodt E. mzcl Dunlap E. A. Meconic Acid in the United States Pharma-copoeia 1890 Assay of Opium and certain nleconates 337 Malt Worts and the ash of Beer Determination of Phosphoric Acid in 162 Maltose Detection of small quantities of in the presence of Dextrose 79 - Lactose Raffinose Saccharose Quantitative Hydrolysis of 375 Nanganese Determination of as the green sulphide 281 Eatiniation of Testing Zinc oxide used for the by Potassium perman-~ _ _ _ and Mercury Separation of Iron from by Hydroxylamine in ammoniacal 405 ammoniacal solutions 349 the analysis of Plant ashes 350 from by Hydroxylamine in ammoniacal solutions 349 166 ganate 136 solution 34 INDEX TO VOLUME XXX sxiii Xanganese Calcium and Magnesium Separation of Iron and Alurniniuni from in ____-_ Zinc Xickel and Magnesium Separation of Aluminium and Chromium the analysis of Plant ashes 350 from by Hydroxylamine in ammoniacal solution 349 in presence of Chromium Estimation of 379 Alannich C.mid Brandt TV. New adulterant of Ipecacuanha 60 Marc R. and Thiele H. Preparation of an Alcoholic solution of Potassium hydroxide Marcusson J. Recognition of “ Blown ” Fatty Oils in Mixtures with Mineral Oils, IIargarine Butter-Fat and Cocoanut Oil in Determination of 305 ______ and Butter Testing apparatus for 384 Margosches B.M. Tests for Wood Tar Pitch 98 which will remain colourless 68 404 - Detection of Cocoanut Oil in 397 - a& Ditz H. Quantitative determination of Iodine in soluble Iodides and in mixtures of Iodides with Bromides and Chlorides 219 Uartin E. Determination of Glycerol in Soap 130 Masson V. “ Manipulated ” Opiums of Smyrna 310 Matico Oil Constituents of 61 Matte Copper and free in Scoriz Determination of 253 Matthes H. Corned Beef containing Flour 308 -__ nizci! Muller F. Use of Talc as a coating or polishing inaterial for pearl Barley Rice Millet and dried Peas 206 McCabe Charles R. Note on the gravimetric determination of Sulphur in Iron and Steel 411 McGill A, Determination of the cold-water extract yielded by ground Ginger 92 McGowan G. and Floris R.B. Estimation of Arsenic in Fuels 253 Measuring-tube for Dumas’ process Improved 74 Meat Extracts The Hydrolysis of 399 Meats or Flesh Determination of Fat in by Gerber’s Acido-Butyronieter 31 Meconates Opium and certain Assay of 337 Meconic Acid in the United States Pharmacopueia 1890 Assay of Opium and certain Medway H. E. Further investigation of the rotating Cathode 106 -~ __ Material and form of rotating Cathodes 105 Meldola R. Chemical synthesis of vital products and the interrelations between Melting-point of Organic substances Apparatus for determining the 389 Mercuric Acetate Action of on Aldehyde and Acetone 377 -_- oxide Action of Aldehydes upon in the presence of an alkali 341 ~- - salicylate Volumetric determination of Mercury in 276 Mercury Salts of Estimation of the halogen in halogen 252 -_- Cathode Use of a in electrolysis 103 - - in Mercuric salicylate Volumetric determination of 276 ~ - - vapour Poisoning by Prevention of 166 I___- Cathode and Anode in Electro-Analysis The use of the Rotating 413 ~ - - with the use of a rotating Anode The Electrolytic determination of 411 Metacresol in Cresol Disinfectants Determination of 342 Metals Electrolytic deposition of which decompose water from solutions of their Methyl Alcohol Detection of 311 -___ and Ethyl Alcohols in mixtures Detection and determination of by the Immersion Refractometer 339 Meconates 337 Organic compounds Review vol.I. 143 salts 66 Examination of Microscopic xxiv INDEX TO VOLUME XXX. Methyl Alcohol in Liquids containing Ethyl Alcohol Detection of 369 Metel A m d Vortmann G.Quantitative separation of Antimony RS triuulphide, Metzner G. Gutbier A. aizd Lohmann J. Comparative examination of the gravi-Meusser X. and Mylius F. Use of vessels of Quartz Glass in the Laboratory 233 Meyer R. J. Preparation of pure earths of the Cerium group by means of their Afeyers R. E. Use of a Mercury Cathode in electrolysis 103 Micko K. The Hydrolysis of Meat Extracts 399 Milbauer J. J. and Hac R. Determination of Iodine cyanide in the presence of Milk Ammonia in Determination of 242 -diamino-triazine A characteristic Colour Reaction of 403 and its separation from Tin 381 metric methods for the determination of Selenium 71 double alkali Carbonates 217 Iodine 286 9 and its value as a test of purity 273 Analysig of samples of referred to the Government Laboratory in connection Composition of analysis of 325 Fat extraction from 128 - - in Detection of Foreign 86 Formaldehyde in Detection of 30’7 -__ Human Baudouin reaction in 244 - Total solids in Influence of Formalin on the estimation of 128 -- Watered Detection of by the Refractometer 57 - case Adulterated Bayley 8.Cook 107 Miller E. H. nizd Cruser F. van D. Application of Bismuth Ammonium molybdate Millet pearl Barley Rice and dried Peas Use of Talc as a coating or polishing Milliau E. Differentiation of Cotton-seed Oil from Kapok and Baobab-seed Oils 98 with the Sale of Food and Drugs Act 197 to gravimetric analysis 284 material for 206 - Test of the purity of Cocoanut Oil 276 - Test for the Purity of Cocoanut Oil 370 - Viscosity of New method of determining the 311 Mineral Oils ‘( Blown ” Fatty Oils in 404 Mitchell C.A. and Hepworth T. C. Inks their composition and manufacture, Moerk I!. X. Preservative for Starch Indicator 69 -- - Volumetric determination of Phenol 62 Nolybdenum and Vanadium Separation of Arsenic from 378 compounds Reduction of in Sulphuric Acid solution by means of _ _ _ _ - - ~ in Steel The Caustic Soda method of determining 410 ~ _ - - Salts in the presence of Sulphurous Acid The action of certain Metals _ _ _ ~ _- trioxide and Vanadium pentoxide New method of determining in the presence of each other 171 hlonardE Essential Oils of the 64 Monornethylaniline Preparation of 100 Monpurgo Reaction of Laurel Oil 336 Noody S.E. Iodometric determination of Bluiiiinium in Aluminium Chloride and Moor C. G. Brandy 47 Morley E. W. Note on the amount of moisture in Gases dried by Phosphorus Review 74 Mercury 172 on 414 Aluminium Sulphate 379 409 pentoxide 10 INDEX-TO VOLUME XXX. xxv Morphine in Opium Determination of 207 337 Morse H. N. and Taylor L. S. Electrical method for the combustion of Organic Mortar Practical mechanical 177 Moser W. Contribution to the knowledge of Arachis 130 Motion J. and Worden E. C. Preparation of Volumetric solutions 175 Mountain Ash berries New Sugar from 131 Muentz A aud Coudon H. Examinationn of Butters for adulteration by Cocoanut Muir M. Rl. P. ti-amlator Chemistry in Daily Life Review 3rd Edition 144 Muller F. and Matthes H.Use of Talc as a coating or polishing material for pearl J. A The determination of Carbon Hydrogen and Nitrogen in Cyanides, -- The Origin of the Water obtained in the Combustion of certain Sub-Mummery W. R. and Harry F. T. Colorimetric estimation of Salicylic Acid in Miinch S. and Kuster F. W. Dentistry determinations by means of a Pipette and Mustard Colouring matters in Detection of artificial 91 I____ Colour in Detection of artificial 398 -_- Ground Determination of Mustard hulls in 58 compounds 321 Oil 155 Barley Rice Millet and dried Peas 206 376 stances 408 Foodstuffs 124 the preparation of Volumetric solutions according to specific gravity 224 Oil in Mustard seeds. Determination of. 59 Mylius F. am? Meusser A. 'Use of vessels of Quartz Glass in the laboratory, 223 Myrtle Oil A new Terpene Alcohol in 402 Neat's foot Oil Castor Oil and Cod-liver Oil Refractometer values of 314 Nestler A.Adulteration of Saffron 207 Nettel R. New method of determining the viscosity of light-coloured Mineral Oils, Nickel A Eew Reagent for 378 -_ Reagent for New sensitive 352 -__- and Cobalt Analysis of Electrolytic 167 - - Manganese Zinc and Magnesium Separation of Aluminium and Chromium Nicotine Determination of in the presence of Pyridine 96 -_- Conine and Sparteine Tests for distinguishing between 372 Niegemann C. Examination of Linseed Oil used in the manufacture of Lacs, Linoleum etc. 376 Nikkei Essential Oil of 62 Nissenson H. and Kettembeil W. Estimation of Zinc 409 Nitrates Nitrites and Chlorates Diphenylamine as a reagent for and its use when 211 from by Hydroxylamine in ammoniacal solutions 349 mixed with Resorcinol and ,B-Naphthol 220 reagent for 285 tion of 381 9 ? Observations on the use of Diphenylamine as a - - -_-- from other Oxidizing Agents by the Diphenylamine Reaction the differentia-Nitric Acid Determination of Electrolytic with a rotating Anode 69 - 9 - in the presence of Organic substances 345 - Determining Gravimetric method of 256 - Test for Diphenylamine 174 - and Nitrous Acids Differentiation of by means of Diphenylamine 17 xxvi INDEX TO VOLUME XXX.Nitrites Nitrates and Chlorates Diphenylamine as a reagent for and its use when mixed with Resorcinol and P-Napthol 220 reagent for 285 9 Observations on the use of Diphenylamine as a - - ~ - _ -Nitrogen Carbon and Hydrogen in Cyanides Determination of 376 Nitrogen Determination of as Nitrites in Water 257 9 - by Kjeldahl’s method 314 -_- -in Azo-and similar compounds Determination of by Kjeldahl’s method 315 - Glue Differentiation of the different forms of 99 - Potable Waters Determination of the Organic 316 Nitro-glycerin from Cartridges Exudation of 407 Nitro-prussides The Action of Sulphides on 415 Nitrous and Nitric Acids Differentiation of by means of Diphenylamine 174 - Acid Determination of Volumetric by means of Ceric sulphate 320 Noll P.a d Ruff E. Volumetric determination of Mercury in Mercuric salicylate 276 ‘‘ Noodles ” (Nudeln) Composition of American and methods for the analysis of the Norton F. A. aizd Koch A.X. A Method for the Detection and Determination of Lysine and similar compounds Determination of 315 Process Dumas’ Improved measuring tube for 74 same 245 Arsenic and Antimony in the presence of Organic matter 409 OBITUARY : Ackroyd W. 181 Pooley T. A. 28 Stein Professor V. 144 Tichborne Professor C. R. C. 180 181 Oil Bergamot and other Oils of the Citrus series Note on 132 - Birch-leaf 98 - Castor Adulteration of Eucalyptus Oil with 129 - Cocoanut Adulteration by Examination of Butters for 155 - -_ Purity of Test of the 276 - -- and Butter-Fat in Margarine Determination of 205 - Cod-liver Castor Oil and Neat’s foot Oil Refractometer values of 314 - - standards 208 - Cotton-seed Halphen’s reaction for Note on 131 - Cypress Composition of 63 - Essential of Scorus calamus Constituents of 61 - - Ilex Paraguayemis 61 - Monarda citriodora 64 7 - didyma 64 Y fistziloscr 64 > of Nikkei 62 9 Cod-liver Oil and Neat’s foot Oil Refractometer values of 314 - -Y - from Kapok and Baobab-seed Oils Differentiation of 98 -- 7 - ~--- _--- Eucalyptus Adulteration of with Castor Oil 129 - Grape-seed Composition of 212 - Laurel Reaction of 336 - Limette West Indian 63 - Linseed Boiled Detection of Rosin and Fish Oils in 97 - - Edible Constants of 122 - Matico Constituents of 61 - Mustard in Mustard seeds Determinatfon of 59 - Neat’s foot Castor Oil and Cod-liver Oil Refractometer values of 31 INDEX TO VOLUME XXX.xxvii Oil Olive Detection of Oil extracted by Carbon bisulphide in 313 - Palm Detection of when used as a Colouring material in Fats and Oils 250 - Phosphorized Determination of Phosphorus in 373 - Pine Composition of 93 - Poppy Constants of 132 - Rose Composition of Bulgarian 65 - Sandal-wood and Santalol Characters of 93 - Sesame Detection of in the presence of certain Dyestuffs 98 - Sperm Characteristics of 275 - Walnut Detection of foreign Oils in 132 - of Burdock 65 - Carthamus Tinctorius fruit Fixed 93 - Conium fruit Constants of 65 - - herb Constahts of 65 - Eucalyptus Polybractus 129 - Lemon Aldehydes in; New method of estimation 334 - Turpentine Rotatory power of 210 - - Testing of 342 Oils Baobab-seed and Kapok Differentiation of Cotton-seed Oil from 98 - - Cylinder Valuation of Lubricants with special reference to 278 - - Essential Phenols in Determination of 62 of the Monardz 64 Y Some new 65 -- ~-9 -__ ~-- - Frying Treatment of 21 - - Fusel Alcohols in Estimation of the amount of 339 - - Kapok and Baobab-seed Differentiation of Cotton-seed Oil from 98 -- Lubricating Solidification-point of Determination of the 163 -- - Viscosity of Determination of the 163 - - Mineral Viscosity of New method of determining the 211 - - Rose Composition of 64 -_ and Fats Colouring material in Detection of Palm Oil when used as a 250 - - Fats and Waxes Chemical technology and analysis of Review 3rd edition, -- in Walnut Oil detection of foreign 132 -- of the Citrus series Note on Bergamot Oil and other 132 Olig A.and Tillmans J. Molecular weight of the non-volatile Fatty Acids of Dutch Olive Oil Detection of Oil extracted by Carbon bisulphide in 313 Olsen J.C. Clowes E. S. and Weidrnann W. O. Determination of Manganese as Opium Morphine in Determination of 207 337 Opium s Manipulated So- called 337 - - of Smyrna 310 Orange The Composition of the Essential Oil from the leaves and stalks of the sweet 398 - juice Composition of 59 Orcinol Colour reaction of 210 Organic Acids Esterifying New method of 162 - Analysis Simplified Ultimate Quick method 135 ORGANIC ANALYSIS. ABSTRACTS 23 62 95 130 158 209 249 276,311,339,374,401 Origin of 160 -- -178 in mixtures with Mineral Oils Recognition of ‘( Blown ” Fatty 404 Butter 86 the green sulphide 281 and certain Meconates Assay of 337 -- its preparations Assay of 24 xxviii INDEX TO VOLUME XXX.Organic Chemistry Application of some general reactions to investigations in, Review 75 - compounds Analysis of certain Method for the rapid ultimate 134 ~- - Combustion of Electrical method for the 321 ~- substances Melting-point of Apparatus for determining the 289 Ost H. Conversion of Dextrose into Levulose and the determination of Lzevulose 344 - and Kirschter C. Analysis of a Bueb’s Cyanide Slime 354 Ostrogovich A. Observations on the elementary analysis of Crude Petroleum Oils 405 Oxides Metallic Method for detecting the presence of certain 100 Oxygen in Copper Determination of 145 385 - -, Page T. H. and Burgess H. E. Note on Bergamot Oil and other Oils of the Citrus Palm Oil Detection of when used as a Colouring material in Fats and Oils 250 Paregoric (Compound Tincture of Camphor) Note on the analysis of 336 Parry E.J. Cod-liver Oil standards 208 Pastry Colouring matters in Detection of artificial 5 7 Pastureau Colouring Determination of Acetyl-Methyl-Carbinol in Vinegar 274 Pattein G. New method of analysing Pyramidon 309 Patterson W. H. and Hutton R. S, Electrically heated Carbon tube Furnaces 291 Pattinson H. S. Determination of Sulphur in Pyrites by Lunge’s method 170 - nizd Redpath G. C. Determination of Zinc in Blendes etc. 170 - J. nnd Dunn J. T. Some sources of error in Sulphur determina-series 132 tions 174 Payet E. Detection of Gum Arabic in Gum Tragacanth 130 Pewlite Microscopic examination of 11 Peas Dried pearl Barley Rice and Millet Use of Talc as a coating or polishing Pedersen C.and Sorensen S. P. L. Determination of Nitrogen by Kjeldahl’s method, PQgurier G. New colour reaction of Cryogenin (nz-Benzamido-semicarbazide) 93 -- and Astruc A. Method of determining Pyramidon 338 Pellet H. mzd Fribourg C. The determination of Aluminium in the Ash of Plants 408 Pentoses Reaction for Investigation of Tollen’s Phloroglucinol 278 Pepper Substitute for Commercial 22 Percentage Tables for Elementary Analysis Review 74 Perkin F. M. and Prebble W. C. Electrolytic analysis of Cobalt and Nickel 167 Permanganate solutions Standardization of by means of Silver 286 Peters R. Detection of Wood Spirit in Essences Brandies Tinctures and fluid Petit A. and A, Determination of Morphine in Opium 207 Petroleum Estimation of Sulphur in 376 - Oils Observations on the elementary analysis of Crude 405 Pettit J.H. and Schaub T. O. Determination of Organic Carbon in Soils 23.4 Peyau H. and Fischer K. Note on Halphen’s reaction for Cotton-seed oil 131 Pfeiffer O. Estimation of Benzene vapour in Coal-gas 23 Pfyll B. Determination of Nitric Acid in the presence of Organic substances 345 - aqzd Linne B. Quantitative Hydrolysis of Saccharine Maltose Lactose, Phenol Determination of 209 material for 206 314 -. The Volumetric determination of Pyramidon and Antipyrin in mixtures of the two substances 400 Extracts 333 - Estimation of the amount of Alcohol in Fuse1 Oils 339 and Raffinose 37 INDEX TO VOLUME XXX. xxix Phenol Determination of Volumetric 62 Phenolic group New reaction of substances containing a 314 Phenols in Essential Oils Determination of 62 Phloroglucinol Colour reactions of 210 Phosphoric Acid Estimation of 221 7 Rapid method for the 320 -_ - Titration of Methods of 257 - and Sulphur in Foods etc.Determination of 90 - in Superphosphates Determination of free 258 Faxes and Urine Determination of 346 - as Ammonium Phosphomolybdate The determination of (Second Paper) 414 Phosphorus Determination of Colorimetric 257 - in Calcium carbide Estimation of 101 -.-- Iron and Steel Colorimetric determination of 137 - ores Determination of 168 -_-- solutions Quantitative determination of 70 -- sulphide Phosphorus in commercial Detection of white 354 - in Phosphorized Oil Determination of 373 Photo-micrographic work Simple and convenient Camera for 330 Pimento Sophistication of 246 Pinagel A.and Friedheim C. Alleged volatility of Silicon dioxide at the instant of precipitation by a strong acid 321 - Friedheim C. and Henderson W. H. Separation of Tungsten trioxide and Silicon dioxide by means of gaseous hydrogen chloride and the analysis of Silico-tungstates 318 Pine oils Composition of 93 Pinoff E. Investigation of Tollens’ Phloroglucinol reaction for Pentoses 278 Pipette New Automatic 290 Pitch Wood Tar Tests for 98 - Asphalt etc. Determination of the Melting-points of 251 Pitches Stearin Characteristics of 251 Plant ashes Analysis of Separation of Iron and Aluminium from Manganese, Calcium and Magnesium in the 350 Plants Determination of Aluminium in the ash of 408 - Soils and Fertilizers Estimation of Potash in 255 Platinium Volatilization of 140 - commercial Phosphorus sulphide Determination of white 354 and Iridium Separation of 317 - crucibles Difficulty of dissolving the fused mass out of 323 - Durability of Note on the 28 Plectranthus Composition of the tubers of various 246 Pohl R.and Dittrich M. Determination of Zirconium in presence of Titanium, Poisoning by Mercury vapour Prevention of 166 Poisons in the ashes left after Cremation Detection of 94 Polyphenols their isomers and higher Organic compounds New colour reagent of Ponticin 311 Pontio Detection and determination of Bituminous substances in gutta-percha 133 Pooley T. A. Death of 28 Poppy Oil Constants of 132 Potash Estimation of Rapid method for the 319 especially in Rocks 254 the 210 apparatus for the rapid absorption of Carbon dioxide 28 xxx INDEX TO VOLUME XXX.Potash in Soils Plants and Fertilizers Estimation of 255 Potassium Estimation of Practical hints for the performance of an easy and con-venient 172 - Reagent for New 254 - Antimony tartrate Potassium Hydrogen tartrate in Detection of 249 - hydroxide Preparation of an Alcoholic solution of which will remain ~ - - permanganate solution Standardizing Examination of different methods Pozzi-Escot E. Characteristic reaction of Cobalt 216 Prager B. aizd Flamand C. Determination of Nitrogen in Azo and similar com-Prebble W. C. and Perkin F. M. Electrolytic analysis of Cobalt and Nickel 167 Precipitates Procedure for Solution and Reprecipitation of 382 Preservatives in Milk Comparative experiments upon chemical 396 Puckner W.A. Note on the determination of Acetanilide 400 Pulsifer H. B. Radically new method for the determination of Sulphur in Iron and Pyramidon Analysing New method of 309 colourless 68 of 139 pounds by Kjeldahl's method 315 - Note on the determination of Caffeine 400 Steel 71 - Antipyrin in Detection of 248 275 - Determining Method of 338 - and Antipyrin in mixtures of the two substances The Volumetric determination of 400 Pyrites Estimation of Sulphur in 380 - Sulphur in Determination of by Lunge's method 170 - - or Sulphuric Acid in Estimation of by means of Benzidine hydro-Pyrocatechol Colour reactions of 210 Pyrogallol Colour reaction of 210 Pyruvic Acid Colour reactions of with u- and -p Naphthols in Sulphuric Acid burnt Estimation of 253 ~ -chliride 170 solution 278 Quartaroli A.Cryoscopic method for distinction of genuine from artificial Butters 87 Quartz Glass Use of vessels of in the laboratory 223 Quennessen L. Separation of Platinum and Iridium 317 Quesneville G. Detection of foreign Fat in Milk 86 Rabak F. Essential Oil of Monarda fistulosa 64 Raby L. Rotatory power of Oil of Turpentine 210 Raffinose Maltose Lactose Saccharose Quantitative Hydrolysis of 375 Raikow P. Differentiation of Nitric and Nitrous Acids by means of Diphenylamine, - P. N. aizd Schtarbanow P. Flash-point or ignition temperature of wine as Ramsay W. Zinc dust 351 Rancidity in Blitter Chemical detection of 333 Raschig F. Estimation of Phosphoric Acid 221 Reagent Use of Zinc Hydroxide as a 380 Redpath G.C. a?ad Pattinson H. S. Determination of Zinc in Blendes etc. 170 Refractometer Detection of watered Milk by the 57 174 an index of the Alcohol contents 21 - Immersion Detection and determination of Ethyl and Methyl Alcohols in mixtures by the 33 INDEX TO VOLUME XXX. xxxi Refractrometer scale for use with Fats and Oils Comparative 176 Reichard - Tests for distinguishing between Nicotine Conine and Sparteine 372 Regulator Gas Novy’s Highly sensitive modification of 106 Reichard C. Recognition of Sodium and the quantitative estimation of its compounds Reiss F. Thickening material (“ Grossin ”) for Cream 57 Rendle T. and Ling A. R. Volumetric determination of reducing Sugars 182 Resorcinol Colour reaction of 210 Rhaponticin 3 11 Rhapontin 311 Rheum rhaponticum Identification of 311 Rhodium Reaction of the compounds of of use in chemical analysis 254 Rhubarb Identification of 311 Rice pearl Barley Millet and dried Peas Use of Talc as a coating or polishing Richardson C.and Forrest C. N. Carbon tetrachloride as a solvent for differ-- F. W. a72d Hanson €I. N. Valuation of Lubricants with special Richmond H. D. Composition and analysis of Milk 325 Riddick D. G. and Jenkins J. H. B. Microscopic examination of Metals 2 Riegler E. New reagent for the detection of Blood Colouririg matters and their Rispler A. Apparatus for evaluation of Coal-tar 287 Robin L. Detection and estimation of Citric Acid in Wines 88 Rocks Determination of Zirconium in presence of Titanium especially in 254 Hocques X.Determination of Glycerin in Wines 333 Villiers - De la Source M. and Fayolle - Detection of Saccharin Roettgen T. ur2d Windisch I<. Influence of various “Fining” materials on the Romeo G. Determination of Citral in Lemon Oil 371 Rosenthaler L. Colour reactions produced by Vanillin with Hydrochloric Acid 247 Rose Oil Constants of Bulgarian 65 - Oils Composition of 64 Rosin and Fish Oils in boiled Linseed Oil Detection of 97 - in Shellac Determination of 164 Ross R. Microscopic examination of Metals 15 Rossi C. Determination of free Sulphuric Acid in Vinegar 274 Rowland J. S. and Davies L. J. Determination of Phosphorus in Iron ores 168 Rubber analysis Contribution to 99 Rubricius H. Estimation of Silicon in different kinds of Steel 410 Rudionon N.D. Method of distinguishing Dionin froni Codein 310 Ruff E. and Noll P. Volumetric determination of Mercury in Mercuric salicylate 276 O. and Jeroch W. Titration of Sulphurous Acid in alkaline solution 259 Ruhl F. and Jannasch P. Separation of Iron from Manganese and Magnesium and of Aluminium and Chromium from Manganese Zinc Nickel and Magnesium by Hydroxylamine in arnmoniacal solution 349 Ruppin - Determination of the Oxygen absorption of Waters containing large amounts of Chlorides 70 - for use with large Gas-burners Simple 105 in the presence of those of Lithium by mean8 of Hydrosilicofluoric Acid 352 ValuatiGn of Colorimetric 60 material for 206 entiating Bitumens 279 reference to Cylinder Oils 278 - Photo-micrographic Camera 332 - and Goodson J.A. Note on commercial Amy1 Alcohol 77 decomposition products 25 in Wines etc. 21 composition of Wine 12 xxxii INDEX TO VOLUME XXX. Sabatier P. and Senderens J. B. New method of distinguishing between primary, Saccharose Maltose Lactose and Raffinose Quantitative Hydrolysis of 375 Saccharin Adulterated 338 - Wines etc. Detection of 21 Saccharine products Glucose in some Determination of commercial 88 Sadtler S. S. A fuller study of the neutral sulphite method for determining some - Improved Apparatus for determining Sulphur and Halogens in Organic Saffron Adulteration of 207 Salamon A. Gordon. Brandy 45 Salicylic Acid in Foodstuffs Colorimetric estimation of 124 Salt Occurrence of Boric Acid in Commercial 309 Sample Division of 179 Sandal-wood Oil and Santalol Characters of 93 Satie and Jeancard Mm.Composition of Rose Oile 64 Sauton - and Trillat A. Determination of Ammonia in Milk and its value as a Savage Smith v. Division of Sample 179 Sawyer H. E. Potassum oxalate as a Lead precipitant in Sugar analysis 209 Scammony On the Resins of 372 Schaub T. O. and Pettit J. H. Determination of Organic Carbon in Soils 214 Schestakoff P. J. ai2d Shukoff A. A. Direct method of estimating Glycerin 160 Scheuer O. and Vaubel W. Source of error in the estimation of Acetone by the Schidrowitz Dr. P. Brandy 49 .-.-- Salicylic Acid in Beer 127 ,-- Volumetric determination of reducing Sugars 189 -- and Kaye F. Determination of higher Alcohols in Spirits 190 - - Some conditions affecting the Ether value of Schilling J.and Jannasch P. Quantitative separation of Iron and Thorium from Schmitz-Dumont W. Detection of artificial Coloring matters in Mustard 91 Schmoelling L. Copal Oils 403 $choler G. Potash apparatus for the rapid absorption of Carbon dioxide 288 Schreiner Oswald A simple colorimeter for general use with remarks on colorimetric methods and apparatus 416 Schtarbanow P. and Raikow P. N. Flash-point or ignition temperature of Wine as an index of the Alcohol contents 21 Schucht L. Free Acid in Superphosphate 415 Schultze E. H. Rapid method for the estimation of Phosphoric Acid 320 Schumacher H. New form of Eggertz tube for the determination of Carbon in Steel Schwalbe C. A small heating apparatus or Boiler with Stirrer 419 Schwartz - Detection of Potassium Hydrogen tartrate in Potassium Antimony Scoria? Determination of Copper and free Matte in 253 Scudder H.Detection of Methyl Alcohol 311 Seger H. and Cmmer E. Porosity of Building materials 354 secondary and tertiary Alcohols 159 - in Wine Detection of 205 Aldehydes and Ketones in Essential Oils 401 Substances 418 test of purity 273 Iodoform method 158 - Inversion of Cane-Sugar in presence of Milk constituents 123 Brandy 149 Uranium 349 Potash 319 - ---and Iron 177 tartrate 24 INDEX TO VOLUME XXX xxxiii Seidler - Characters of Santalol and Sandal-wood Oil 93 Selenium Determination of Comparative examination of the gravimetric methods Senderens J. B. find Sabatier P. New method of distinguishing between primary, Separations Quantitative in presence of Hydroxylamine 349 Sesame Oil Detection of in the presence of certain Dyestuffs 98 Seybold W.and Werner A. New method of esterifying Organic Acids 162 Seyeaetz and Bardin The determination of Acetaldehyde 374 Shellac Rosin in Determination of 164 Sherman H. C. Detection of Dextrose by Barford’s Cupric acetate method 161 -__ and Berg W. N. Determination of Ammonia in Milk 242 Shukoff A. A. and Schestakoff P. J. Direct method of estimating Glycerin 160 Siebert G. Note on the durability of Platinum crucibles 28 Siemens A. Electrolytic deposition of Metals which decompose water from solutions Silicon dioxide Volatility of Alleged at the instant of precipitation by a strong acid, -- and Tungsten trioxide Separation of by means of gaseous Hydrogen for the 71 - and Tellurium Determination of Use of Phosphorous Acid for the 71 secondary and tertiary Alcohols 159 - in Butter etc.Detection of small quantities of 370 -- Hahn A. W. u~zd A. J. Mettler Comparative Experiments upon Chemical Preservatives in Milk 396 of their salts 66 321 chloride and the analysis of Silico-Tungstates 318 in Iron Determining Improvement in Drown and Shimer’s methods of 27 in different kinds of Steel Estimation of 410 by means of gaseous Hydrogen chloride and the 318 Silico-Tungstates Analysis of Separation of Tungsten trioxide and Silicon dioxide Silver from Lead Separation of 166 - in Zinc Determination of and the amount of Silver in various grades of commercial Zinc 65 Simons F. D. a72d Crampton C.A. Detection of Palm Oil when used as a Colouring material in Fats and Oils 250 Simplon Tunnel Water from 367 Slags Iron ores Limestones etc. Estimation of Sulphur in 169 Slime Cyanide Analysis of a Bueb’s 354 Sloan W. H. ni2d Young S. W. Modification of the Freezing-point method 72 Smith v. Savage Division of Sample 179 -_ Ralph O. The Electrolytic Determination of Mercury with the use of a Rotat-ing Anode 411 The Rapid Determination of Lead Electrolytically 412 Snyder Harry Testing Wheat-flour for Commercial purposes 398 Soap Glycerol in Determination of 130 SOCIETY OF PUBLIC ANALYSTS PROCEEDINGS OF THE 1 29 77 109 145,224,225,261, Sodeau W. H. Highly sensitive modification of NOVY’S Gas Regulator 106 Soden H. von u72d Elze F. A new Terpene Alcohol in Ethereal Oil of Myrtle 402 Sodium Recognition of and the quantitative estimation of its compounds in the - chloride Occurrence of Boric Acid in common 309 - hydrosulphite Analysis of 259 ~- hydroxide Preparation of pure for laboratories 68 Sodium silicate in Determination of 252 293 325 361 385 -_ Simple Regulator for use with large Gas-burners 105 presence of those of Lithium by means of Hydrosilicofluoric Acid 35 xxxiv INDEX TO VOLUME XXX, Sodium salts Detection of by Fremy’s reagent 256 - occurring in Wines The quantity of 397 - silicate in Soap Detection of 252 Soils Carbon in Estimation of Organic 214 Soltsien P.Chemical detection of Rancidity in Butter 333 Sorbierite 131 Sorensen S. P. L. and Anderson A. C. Determination of Nitrogen in Lysine and - Pedersen C.Determination of Nitrogen by Kjeldahl’s SouliP L. A. Abelous J. E. aid Toujan G. Colorimetric determination of Adrenaline, Source. See De la Source Sparteine Nicotine and Conine Tests for distinguishing between 372 Sperm Oil Characteristics of 276 Spirits Alcohols in Determination of higher 190 -- Determination of Higher Alcohols in 369 - - Distilled Notes on the history of especially Whisky and Brandy 293 Sprinkmeyer H. and Wagner H. Detection of artificial Coiouring matters in Fats 244 -- Detection of small Quantities of Sesame Oil in Stiihler - Volumetric determination of H ydroxylamine by means of trivalent Standard Powders for Analysts 358 Stan& V. Quantitative determination of Betaine 134 Starch Indicator Preservative for 62 Stearin Pitches Characteristics of 251 Steel Carbon in Determination of Colorimetric 28 - Chromium in Determination of 136 -_ Examination of Microscopic 10 - and Iron Carbon in New form of Eggertz tube for the determination of 177 Steel Estimation of Silicon in different kinds of 410 Stein Professor V.Death of 144 Steinmann A. Modification of Welmans’ method for Sugar and Fat Estimation in Storax Detection of resinous substances in 61 Stortenbeker - Detection of Iodoform 309 Strube F. Note on a fluid portion obtained from Cacao Butter 313 Strychnine and Brucine Separation of Note on the 261 Stiiber W. and Farnsteiner K. Composition of Orange-juice 59 Sucrose Determination of Poiarimetric 313 Sugar Cane- Inversion of in presence of hfilk constituents 119 - analysis Potassium oxalate as a Lead precipitant in 209 -_ as a natural constituent of Mace 207 -_ from Mountain Ash berries New 131 in Urine Determination of 162 Sugars Volumetric determination of reducing 182 -__ containing the Aldehydic group Reaction of 96 Sulphites Determination of by Iodine 353 Plants and Fertilizers Estimation of Potash in 255 similar conipounds 315 method 314 279 -9 Butter etc.370 Titanium 95 Note on the 136 - -___ --_ -_ Phosphorus in Colorimetric determination of 137 - Sulphur in Determination of Radically new method for the 71 Cocoa Preparations 397 Oxidation of by Iodine in alkaline solutions 28 INDEX TO VOLUME XXX. xxxv Sulphur Estimating Eschka’s method of 173 - Flowers of and sublimed Sulphur 92 - and Phosphoric Acid in Foods etc.Determination of 90 -- determinations Some sources of error in 174 - in burnt Pyrites Estimation of 253 - Faxes and Urine Determination of 346 - Coal a new method for the estimation of 381 - Iron and Steel Determination of 71 - Liquid Fuel and Petroleum The estimation of 376 Note on the Gravimetric determination of 411 -- and Halogens in Organic substances Improved apparatus for determining, 418 - in Iron ores Slags Limestones etc. Estimation of 169 - in Pyrites Determination of by Lunge’s method 170 - Pyrites On the estimation of 380 ~- or Sulphuric Acid in Pyrites Estimation of by means of Benzidine hydro-Sulphuric Acid Estimation ofjZcombined by the methods of Lunge and Silber-chloride 170 berger 258 Vinegar Determination of free 274 chloride 170 -_ in Malt Worts and the ash of Beer Determination of 162 or Sulphur in Pyrites Estimation of by means of Benzidine hydro--- The Purification of Arsenical 416 Sulphurous Acid Titration of in alkaline solution 259 Sumach Mineral constituents of 99 Superphosphate Free Acid in 415 Superphosphates Phosphoric Acid in Determination of free 258 Siiss P.Detection of artificial Colour in Mustard 308 Sutherland D. A Electric Furnace for laboratory use 34 Szontagh. See Von Szontagh Sophistication of Pimento 246 Talc Use of as a coating or polishing material for pearl Barley Rice Millet or dried Tallow Composition of Borneo 24 Tannic Acid for Dyeing and Calico-Printing Valuation of 406 Tannin materials Extraction of with various extractors 316 Tap for Glass Apparatus whilst using Alkaline Liquids 383 Tar Coal- Apparatus for the evaluation of 287 - - Wood Pitch Tests for 98 Tarugi N.Prevention of Poisoning by Mercury vapour 166 Tatloclr R. R, a d Thomson R. T. Determination of small quantities of Bromine Taylor L. S. and Morse H. N. Electrical method for the combustion of Organic Techugaeff L. New sensitive reagent for Nickel 352 Tellurium Estimation of Quantitative 172 Tempany H. A. mzd Watts Hon. F. Inversion of Cane-Sugar in presence of Milk Terpene Alcohol in Ethereal Oil of Myrtle Discovery of a new 402 Peas 206 and Chlorine in Iodine 219 compounds 321 Y 9 Note on the 172 -- and Selenium Determination of Use of Phosphorous Acid for the 71 constituents 119 - Polarimetric determination of Sucrose 31 xxsvi INDEX TO VOLUME XXX.Thiele H. and Marc R. Preparation of an alcoholic solution of Potassium hydroxide Thill J. Improvement in Drown and Shimer’s method of determining Silicon in Thilo E. Determination of Iodide in the presence of Bromide and Chloride 69 Thompson G. W. Determination of Acetic Acid in White Lead 253 Thorns H. Constituents of Matico Oil 61 which will remain colourless 68 Iron 27 - Determination of Alkaloids by means of Potassium Bismuth iodide 316 -. and Beckstroem R. Constituents of Essential Oil of Acorus. calamus 61 Thomsen T. Fat extraction from Milk 128 Thomson R. T. and Tatlock R. R. Determination of small quantities of Bromine and Chlorine in Iodine 219 W. Presence of Arsenic in the body and its secretion by the kidney 94 Thorium and Iron from Uranium Quantitative separation of 349 Thorne Dr.L. T. Brandy 51 --- Detection of small quantities of Maltose in the presence of Volumetric determination of reducing Sugars 188 Dextrose 83 -- Inversion of Cane-Sugar in presence of Milk constituents 122 N. C. Precipitation of Barium bromide by Hydrogen bromide 220 Tin in Copper-tin alloys A rapid method for the determination of 861 Tscirsch A. and Schereschewski E. Balata Gum 406 Tschugaeff L. A new Reagent for Nickel 378 Tuag Oil On the Gelatinization of 408 Thorpe Dr. T. E. Analysis of samples of Milk referred to the Government laboratory Thymohydroquinone Colour reaction of 210 Tichborne C. R. C. Death of 180 181 in connection with the Sale of Food and Drugs Act 197 -; Method for detecting the presence of certain nletallic Oxides, 100 Tillmans J.and Olig A. Molecular weight of the non-volatile Fatty Acids of Dutch Tin Antimony from Separation of 281 -_ Detection of in the Stannous condition 101 - and its alloys Analysis of commercial 26 - Antimony and Arsenic in ores and alloys Determination of 101 - dust Preparation of 100 - samples Analysis of 215 Tincture of Camphor (Paregoric) Note on the analysis of the compound 336 Tinctures Essences Brandies and fluid Extracts Detection of Wood Spirit in 333 Tingle Dr. J. B. Translator Application of some general reactions to Investigations Tollens B. Estimation of Glycuronic Acid 346 Tolman L. M. Examination of Lard from Pigs fed on Cotton-seed Meal 244 Butter 86 in Organic Chemistry Review 75 - Note on the detection of Archil Cudbear and other Lichen Colours, Toujan G.Abelous J. E. and Soulie L. h. Colorimetric determination of Adrena-TOXICOLOGICAL ANALYSIS ABSTRACTS 94 Tragacanth Gum Detection of Gum Arabic in 130 Tribromphenolbromide its detection estimation rate of formation and reaction Trillat A. and Sauton - Determination of Ammonia in Milk and its value as a 213 line 279 with Hydriodic Acid 209 test of purity 27 INDEX TO VOLUME XXX. xxxvii Trillat A. and Turchet - New method of detecting Ammonia 218 Troger J. and Bentin A. Composition OE Pine Oils 93 Trotman S. R. Mineral constituents of Sumac 99 ~ - . - - and Hackford J. E. Differentiation of the different forms of Nitrogen in Glue 99 Tschirch A.Colorimetric valuation of Rhubarb 60 -- Identification of Rheum rhaponticum 3Ll ~ - - and Hoffbauer R. Valuation of Aloes 249 Tube Measuring- for Dumas’ Nitrogen process Improved 74 Tubes Crucibles Combustion-boats etc. of pure Magnesia 356 Tungsten trioxide and Silicon dioxide Separation of by means of gaseous Hydrogen Turchet - aizd Trillat A. New method of detecting and determining Ammonia, Turpentine Oil of Rotatory power of 210 - Electrical heater for laboratories 104 chloride and the analysis of Silico-Tungstates 318 218 Testing of 342 __ -Ubbelohde L. True Drop-point and an apparatus for its determination 359 Ulzer F. and Zumpfe K. Composition of Grape-seed Oil 212 Umney J. C. and Bennett C. T. Oil of Eucalyptus Polybractea 129 Uranium Iron and Thorium from Quantitative separation of 349 Urine Chlorine in Determining 346 - Detection of Acetone in 402 - Indoxyl (Indican) in Detection of 100 - Sugar in Determination of 162 Utz - Artificial Colouring matters in Ceresin 131 - Detection of Formaldehyde in Milk 307 - Gravimetric estimation of Calcium 138 - Investigation of Mace 371 Foods and Faxes Determination of Sulphur and Phosphoric Acid in 346 Vacuum Regulator Automatic 419 Valenta E.Testing of Oil of Turpentine 342 Valenti L. Determination of Morphine in Opium 337 Vallety - Determination of Copper and free Matte in Scorize 253 Vamvakas J. The Characteristics of Camel’s Butter 370 Vanadium and Molybdenum Separation of Arsenic from 378 Varilla extract Determination of Vanillin Coumarin and Acetanilide in 275 Vanillin Behaviour of in Formaldehyde tests 340 - Colour reactions produced by with Hydrochloric Acid 247 Coumarin and Acetanilide in Vanilla extract Determination of 275 Vapour Density New apparatus for the- acoustic determination of 104 Vaubel W.and Bartelt E. Influence of Sulphurous Acid on the determination of - and Scheuer O. Source of error in the estimation of Acetone by the - pentoxide and Molybdenum trioxide New method of determining in the presence of each other 171 9 determination of 357 ____- -Boric Acid 285 Iodoform method 158 Vegetable substances Determination of ash in 317 Veitch 5’. P. Estimation of Potash in Soils Plants and Fertilizers 255 -- Extraction of Tannin materials with various Extractors 316 Velampishin (Gum) 16 xxxviii INDEX TO VOLUME XXX.Victor E. Analysis of Tin samples 215 Vignon L. Detection of white Phosphorus in commercial Phosphorus sulphide 354 Villiers. - De la Source M. Rocques - and Fayolle - Detection of Saccharin Vinegar Acetyl-methyl-carbinol in Determination of 274 - Sulphuric Acid in Determination of free 274 Vioform and Vioform gauze Analysis of 157 Virgil F. The Action of Sulphides on Nitro-prussides 415 Vitali - The Action of Arrhenal (Sodium Methyl Arsenate) on Alkaloids 373 Vitro-Ink 107 Volatile substances Simple apparatus for the deterniination of by difference 223 Volumetric solutions Preparation of I75 Von Greiner and Friedrichs Mm. New Automatic Pipette 290 Von Knorre G. Estimation of Sulphur or Sulphuric Acid in Pyrites by means of Benzidine hydrochloride 170 Yon Szontagh F.and Zaitschek A. Solubility of different Caseins in Pepsin-Hydro-chloric Acid 90 Vortmann G. and Rletzl A. Quantitative determination of Antimony as trisulphide, and its separation from Tin 281 Voshtka - Burette and stand 140 Vuillemin - Determination of Mustard Oil in Mustard seeds 59 in Wines etc. 21 -~ - according to specific gravity 224 Wachsmuth R. New apparatus for the acoustic determination of Vapour density 104 Wagenknecht W. and Gutbier A. Note on the quantitative estimation of Tellurium, Wagner H. and Sprinkmeyer H. Detection of artificial Colouring matters in Fats 244 Walker P. H. Chemical Glassware 358 Wall. See La Wall. Walnut Oil Oils in Detection of foreign 132 Water Ammonia in Determination of 319 - Bacterioscopic examination of Report of the Committee appointed to consider the standardization of methods of 163 -- from Condensing Engines Estimation of Oil in 405 -- -supply Case of Iron contamination in a due to Bacteria 283 Waters Alkaline Action of slightly on Iron 225 - Nitrogen as Nitrites in Determination of 257 - Oxygen absorption of Determination of the containing large amounts of - Potable Determination of the Organic Nitrogen in 316 Watts Hon.F. and Tempany H. A. Inversion of Cane-Sugar in presence of Milk 172 - the Simplon Tunnel 367 Chlcrides 70 constituents 119 - Polarimetric determination of Sucrose 313 Wax Bees- Characters of Indian 57 Waxes Oils and Fats Chemical technology and analysis of Reviezo 3rd edition 178 Weidmann W.O. Olsen J. C. and Clowes E. S. Determination of Manganese as Welmans’ Method for Sugar and Fat Estimation in modification of Cocoa prepara-Weadriner M. Determination of the Melting-poinfs of Pitch Asphalt etc. 251 Wentzki O. Analysis of liquid Carbon dioxide 70 -- New method of separating Chlorides Bromides and Iodides in mixtures, the green sulphide 281 tions 397 25 INDEX TO VOLUME XXX. xxxix Werner A. a d Seybold W. New method of esterifying Organic Acids 162 Wesenberg - Determination of Metacresol in Cresol Disinfectants 342 West R. and Frankforter G. B. Gasometric determination of Formaldehyde 312 Weston R. S. Determination of Nitrogen as Nitrites in Water 257 Wheat-flour Testing for Commercial purposes; 398 Whisky and Brandy Notes on the history of distilled Spirits especially 293 White J.Action of slightly alkaline Waters on Iron 238 Williams R. H. Study of methods for the determination of Formaldehyde 249 W. S. Valuation of Tannic Acid for Dyeing and Calico-Printing 406 Wilson A. C. Simple and convenient Camera for Photo-micrographic work 330 Winckel - New reaction for Enzymes 134 Windisch K. and Roettgen T. Influence of various “ Fining ” materials on the W. Determination of Sulphuric Acid in Malt Worts and the ash of - Yield of Milk 329 composition of Wines 128 Beer 162 Wine Composition of Influence of various “ Fining ” materials on the 128 - Flash-point or ignition temperature of as an index of the Alcohol contents 21 - Saccharin in Detection of 205 Wines Fining Note on an objectionable method of 264 - Glycerin in Determination of 333 etc.Saccharin in Detection of 21 Winton A. L. and Bailey E. M. Composition of American ‘( Noodles ” (Nudeln), and methods for the analysis of the same 245 Determinatian of Vanillin Coumarin and Ace-tanilide in Vanilla extract 275 Wood-apple Gum 165 - Fibre Colour reactions of Investigation of the 24 - Spirit in Essences Brandies Tinctures and fluid Extracts Detection of 333 - Tar Pitch Tests for 98 Worden E. C. and Motion J. Preparation of Volumetric solutions 175 Worts Malt and the ash of Beer Determination of Sulphuric Acid in 162 Young S. W. and Sloan W. H. Modification of the Freezing-point method 72 Zaitschek A, and Von Szontagh F. Solubility of different Caseins in Pepsin-Zinc Estimating Electrolytic method of 350 Hydrochloric Acid 90 Estimation of Electrolytic Use of a rotating Anode in the 66 216 Silver in Determination of and the amount of Silver in various grades of commercial Zinc 65 dust 351 in Blendes etc.Determination of 170 Manganese Nickel and Magnesium Separation of Aluminium and Chromium - oxide used for the estimation of Manganese by Potassium permanganate, from by Hydroxylamine in ammoniacal solutions 349 Testing 136 The Estimation of 409 Hydroxide as a Reagent The use of 380 Zirconium Determination of in presence of Titanium especially in Rocks 254 Zumpfe K. and Ulzer F. Composition of Grape-seed Oil 212 BILLING AND SONS LIMITED PRINTERY GUILDFORD.