摘要:

THE OWAN OF THE Society of Public Anadysts. A MONTHLY JOURNAL DEVOTED TO THE ADVANCEMENT OF ANALYTICAL CHEMISTRY. THE PRI"SII>EKT (THOMAS STEVENSON, M.D.). ALFRED 13. ALLEX. EDWARD .J, BEVAN. 1 OTTO HEHNIXR. BERNARD. DYER, D.Sc. Snn-l?nrron : WALTER 6 . SYKES, IkD. VOLUME XX. 1895. LONDOS : B A I L L I k R R , T I N D A L L A N D COX, KING WILLIAJI STREET, STR:\ND, lrr.c.THE OWAN OF THE Society of Public Anadysts. A MONTHLY JOURNAL DEVOTED TO THE ADVANCEMENT OF ANALYTICAL CHEMISTRY. THE PRI"SII>EKT (THOMAS STEVENSON, M.D.). ALFRED 13. ALLEX. EDWARD .J, BEVAN. 1 OTTO HEHNIXR. BERNARD. DYER, D.Sc. Snn-l?nrron : WALTER 6 . SYKES, IkD. VOLUME XX. 1895. LONDOS : B A I L L I k R R , T I N D A L L A N D COX, KING WILLIAJI STREET, STR:\ND, lrr.c.INDEX OF SUBJECTS. A.PAGE Acetic acid in vinegar, Estimation of, A. R. LEEDS ... . . . . . . . . . . . 224 Acetone, Detection of water in, SCHWEITZER & LUNGWITZ . . . . . . . . . . . 234 Acetyl numbers of lard, cotton-seed-oil, and tallow, E. SPAETH . . . . . . . . . . . . . . . 252 Acids, volatile fatty, Mathematical deduc- tions from the distillation of, H. D. RICHMOND . . . . . . . . . . . 193 ,, Tables of the rates of distillation of . . . . . . .. 196, 197 Air, Estimation of dust in, K. ARENS ... 137 Alkaloids and glucosidal ‘bodies, Quantita- tive separation and chemical characteristics of, in forensic cases, C. KIPPENBERGER 201, , , Methods of estimation of single . , , ,, Acidimetric estimation of vege- table, L. F. KEBLER . . . . . . Aluminium, amdgamated, as a reducing agent, WIsLIcENus 8: KAUFMANN ...Analysis, volumetric, Barium thiosulphate for standardizing iodine Rolution in, PLIMPTON & CHORLEY . . . . . . . . . Ang-khak, a Chinese dye used for coloring articles of food, H. C. PRINSEN . . . . . . Annual Address of the President . . . . . . Annual Meeting of the Society of Public Analys te . . . . . . . . . . . . . . . Anthracene, Estimation of parafin in crude, HEUSLER & HERD . . . . . . . . . . . . Antimony as antimonious antimoniate, Estimation of, 0. BRUNK ... arsenic, and tin, Separation and determination of, W. HAMPIC.. , Antipyrine and thalleioquin reaction, The, J. DUNCOMMUN . . . . . . . . . . . . Apparatus for preserving and delivering standard solutions, J. C. CHOR- LEY . . . . . . . . . . . . constant level for distilling flask, J.C. CHORLEY . . . . . . . . APPOINTMENT : - Mr. G. R. Thompson to Monmouthshire Apples, Estimation of zinc in desiccated, L. LEGLER ... . . . . . . . ... Arachis-oil, Modification of Renard’s process for the determination of, H. KREIS Arsenic in iroa and steel, Volumetric esti- mation of, A. MIGNOT . . . . . . Separation of, from othtr elements by methyl alcohol and hydrochloric acid, FRIEDHEIM & MICHAELIS . , . ,, Detection of, in presence of selenium, L. DAWYDOW . . . . . . . . . ,, Toxicological detection and estima- tion of, E. BARILLOT . . . . . . .. Separation of mixtures of ... ,, ,, ... ,, 204 203 204 278 213 111 198 25 25 142 190 46 234 15 16 264 251 136 235 235 113 22 PAGE Asphaltene, netinition of . . . . . . . .. 41 Asphalt question, The, S . B. PECKHAM .. , 63 Asphaltum, On the technical analysis of, L. A. LINTON .. . . . . . . . . . 41 Austrian alimentary code, Extract from (Wine) . . . . . . . . . . . .. 117 B. Badouin’s reaction for the detection of sesame-oil in olive-oil, E. CARLINPANTI .. Barium thiosulphate for standardizing iodine hydroxide solution in carbon deter- Beer, The detection of fluorine in, HEFEL- ,, Estimation of glycerin in, A. PAR- ,, Detection and estimation of glycerin Benzene, Estimation of thiophen in, E. DENIGES ... . . . . . . . . . . . 188 Blood-stains, Detection of, in forensic cases, F. GANTTER . . . . . . . . . . . . 186 Bone-black, Rapid and accurate analysis of, W. D. HORNE . . . . . . . . . . . . 69 Boric acid, Estimation of, J. N. DUPASQUIR 223 22 Bromine in the presence of chlorine, Eeti- 222 11 1 191 MANN & MANN .. . . . . . . . 185 THEIL... . . . . . . . . . . . . 251 solution, PLIMPTON 8r CHORLEY.. . mination in steel, J. 0. HANDY.. . ,, in, MOLHAUT . . . . . . . . . 223 Boron, Estimation of, H. MoIssAN . . . . . . mation of, W. WENSE . . . . . . . . . 139 Burette, An improved, F. OETTEL . . . . . . meter), J. DELAITE . . . . . . . . . 59 Butter, an abnormal, J. &4MUELSON ... 221 ,, Examination of, E. POLENSKE ... 277 ing, J. ROLFFS . . . . . . . . 221 KILLING . . . . . . . . . . . .66,94 foreign fats, N. WENDER ... 220 238 Butter analysis, contribution to (Refracto- ,, and margarine, test for distinguish- , , Viscosimetrical examination :of, C. ,, Viscosimetrical examinationIof, for 0.Cadmiiirn and copper, New method for the estimation of, A. S. CUSHMAN zinc, and nickel, Separation of copper from, P. N. RIKOWA ... Calcium oxide in quicklime, Method of determining, STONE & SCHEUCH . . . . . . . . . 19 tions . . . . . . . . . 19 W. D. BIGELOW . . . . . . . . . . . . 112 point and composition of . . . . . . . . . 40 estimation of, A. W. BLYTH . . . . . . 121 214 23 ,, 7 , ,, Solubility of, in sucrose solu- Californian red wines, Colouring matter in, Candle material, Determination of melting- Carbohydrates in milk, Identification andi v INDEX. ___ - ~ 1’AUE Carbon estimation in steel, Superiority of barium hydroxide solutim in, J. 0. HANDY . . . . . . . ... 191 in iron, N w method of estimsting, L. SCHNEIDER . . . . . . . . . 65 Carbonic acid, Examination of liquid, L. GR~TNHUT .. . . . . . . . . . . . . 113 Castor-oil, Anomalous bphaviour of, towards Hub1 solutioii . . . . . . . . . .. 51 Cellulose, Quantitative estimation of, G. LANGE . . . . . . . . . . . .. 283 Charcoal, Rtpid analysis of animal, W. 1). HORNE ... . . . . . . . ... 69 Cheese, Contribution to the study nf the as11 of, MABIANI & TASSELTJ . . . . 168 Not:: on two samples of “filled or lard,” K. B o ~ n m ~ . . . . . . 268 Cheeses, Composition of some ’English, CHAT- TAWAY, PEAR;\[AIS & MOOR ... . 132 Chicory, Roasted, N, G. CLAYTON . . . . . . 12 Chlorine in presence of iodine, Detectiun of, P. N. RAIKOW . . . . . . . . . 47 ,, and iodine, Quantitative s e p a r a t h of, P. K. RAIKOW . . . . 4 i ,, in the presence of bromine, Esti- mation nf, 17.WENSE . . . . 139 Chloroplatinates, Volumetric analysis of, rJ. L. DE KONINCK. . . . . . . . . . . 140 Chromium in chrome vie, Method of deter- iiLiniiig, E. CLARK . . . . . . . . . . . 141 Cirniitnun, Notes on, DYER & GILBARD ,. . 129 ,, Table of analyses of . . . . . . 130 ,, IvIicroacopic appearance of .. 131 STAHR .. . . . . . . . . . .. 188 KENRICK . . . . . . . . . . . . . . . 96 Coffee, A new alkaloid i n , PALADIKO ... 141 ,, beaus, On th 1 fat, wqar, and tantiin of, HERPELI>T k STUTZER , . , .. 249 ,, Note on an a lulcerated sample, I’EA~L- MAIN & MOOR . . . . . . . . 176 Cola-nut, On the chemical composition of, UFFELMANN & ~ ~ O I v I E R . . . . . . . . . 42 Confectionery, On the composition of some vegetable coloring rnattera for use in, G.POSETTO . . . . . . . . . . . . . . . 18 S Copaiba, Detection of oil and gurgun baharn in, E. HIRSCHORN . . . . . . . . . . . . 252 Copper, The wet assay of, It. S. DULIN ... 164 SOSTEGNI . . . . . . . . . . . . 169 c. WHITET3lCAD . . , . . . . . 1s9 separation of, A. S. CUSHMAN ... 214 and nickel, P. N. RIKOWA ... 23 ,, ,, Citric acid, Characteristic reaction o f , L. Cocoanut-oil in lard conipounds, E, 13. ,, salts, Mvthods of analysis of, L. , , bullion, ICstirnation of tellurium in, ,, and cadmium, New nicthod for the ,, Separation of, from cadmium, zinc, CORRESPONDENCE :- Cocoanut-oil i n lard compounds, E. B. KENRICK . . . . . . . . . . . . . . . 96 Letter from I)r. Duprk . . . . . . . . . 144 ,, ,, Dr. E. Frankland .. . . . . 192 ,, ,, Mr. W. C. Young . . . . . . 216 E. B, ~CENHICK . . . . . . . . 136 Cotton-oil in lard, Note on the detection of, ... PAGE Cream, average amount of fat i n , during . . . . . . . . . . 55 1593 . . . . . D. Dextrin, Estimation of . . . . . . . . . 226 Uiastafe, Chemical nature of, T. B. Os- can be salted out with ammonium Duclaux’s method for the estimation of “ volatile fatty acids,” the laws govern- ing volatility deduced therefrom, and their application to analysis, especially to that of butter, H. D. RICHMONI) ... Dust in the air, Estimation of, K. ASEXS.. , BORNE . . . . . . . . . . . . 232 ,, sulphate or magnesium sulpliate 233 193, 217 1 3 i E. Elaidin reaction, Influence of temperature on, A. P. LIDOW . . . . . . . . . . . l i S F.Fats, Gravimctric determination of bromine ,, and hydrocarbons, A new method of. I , Critical temperatures of dissolution . . , 21 0 Fatty acids, Separation of solid and liquid, E. TWITCHELL . . . . . . 165 ,, ,, Note upon Muter’s, Jean’s, Rose’s, methods of separa- tion of . . . . . . 165, 166 ,, ,, Viscosity increases with mole- cular weight.. . . . . . . . 220 ,, ,, free in oil-cakessnd other feed- ing stuffs, DYER & GILBARI) 241 ,, bodies, Action of fiulphur on un- absorption in, 0. HEHNER . . . . . . analysing, M. CRISMER . . . . . . 209 49 saturated, J . ALTSCHUL ... 256 solution, a new constant for their examination, L. CRISMER . . . . . . . . . 257 Fluorine in wine, Detection of, NIVIERE St HUBERT . . . . . . . . . 185 beer, Detection of, HEFELMANN & MANN .. . . . . . . . 185 Fodders, Estimation of starch in . . . . . . 19 9 , ,, Critical temperatures of dis- , , ,, ,, Estimation of woody fibre in, A. Y. AITKEN . . . . . . . . . 36 Importance of removing oil before determing the fibre . . . . . . 36 Formaldehyde, Methods for the detection of 154 Action of,on albumin, 156, 157, 167 Forrnalin as a preserrative of milk samples, 2. J. EEVAX . . . . . . . . . 152 ,, Note on the detection of, HICH- NOND & BOSELVY . . . . . . 154 ,, as a milk preservative, S. RIDEAL 157 ,, Action of, on food stuffs, WEIGLE 8: MERKEL . . . . . . . . 167 Formic acid, Determination of, with potas- sium permanganate, H. C. JONES . . . . . . . . . 207 ,, ), ,, Estimation of, F. FREYER ... 208 Fustic, Interpretation of the results of the analv& nf.C. S. BOYER . . . . . . . . . 208INDEX. V PAGE G. Gelatin rendered insoluble by formaldehyde 44 Geranium-oil in rose-oil, On the detection of, R. JEDERMANN . . . . . . . . . . . . 48 Glass, Action of magnesium mixture on, L. L. DE KONINCK . . . . . . . . . . . 138 Glucosazone, Solubility of . . . . . . . . . 125 ether . . . . . . . . . 127 Glucose, A new method of estimating, by ammoniacal copper solution, ALLEIN & GAUD . . . . . . . . . . . . . . . 21 Glue and glue-yielding substances, The Glycerin, Crystallized, E. J. BEVAN . , , 131 Glycerol in wines, Estimation of, Ma~cuso- LIMA & SGARLATA . . . . . . 183 ,, beer, Detection and estimation of, M. MOLHAUT . . . . . . 223 ,, wine and beer, Estimation of, A. PARTHEIL . . . . .. . . . 251 Gold estimation by parting, Influence of the metals of the platinum group on, E. PRIWOZNKI . . . . . . . . . . . . . . . 262 Gunning method for estimating total nitro- gen in fertilizers, W. E. GARRIGUEY ... 39 Y Y can be readily shaken out with analysis of, W. FAHRION . . . . . ... 254 H. Hide-powder, Action of alcoholic soda on... Honey-dew, The composition of, and the influence of a summer rich in honey-dew on the condition of honey, E. VON RAUMER 16 Honey, Water in, J. GRABTIAN . . . . . . 251 Horseflesh, Chemical recognition of, W. NIEBEL . . . . . . . . . 252 ,, Chemical process for recog- nising, M. HUMBERT ... 95 Hiibl’s method of iodine absorption, J. EPHRAIM . . . . . . . . . . . . 176 iodine proces9, Theory of, and sug- gested improvement, WALLER ...280 Hydrobromic acid, Formation of, in oil testing not due to presence of water ... 50 Hydrocarbons and fats, A new method of analysing, M. CRISMER . . . . . . . . . 209 Hydrogen peroxide, The concentration and distillation of, R. WOLFFEKSTEIN ... 38 tion of, A. BACH ... 112 178 ,, 1 , ,, in green plants, Detec- I. Indicators in volumetric analysis, use of litmus and methyl orange, G. LUNGE ... 65 Indigotin, New method of estimating, J. SCHNEIDER . 211 Iodine, Curious behaviour of unsaturated fatty acids with . . . . . . . . . 52 ,, in organic substances of the fatty series, M. C. SCHUYTEN . . . . . . 234 , , and chlorine, Quantitative separa- tion of, P. N. RAIKOW . . . . . . 47 Ionone and irone, Detection and estimation of, TIEMANN & KRUGIER . .. . . . . . . 234 Iron, New method of estimating carbon in, L. SCHNEIDER . . . . . . . . . . . . 65 . . . . . . . . . . . . PAGE Iron and steel, Volumetric estimation of and nickel, Separation of, CAMPBELL arsenic in, A. MIGNOT . . . . . . 235 AND ANDREWS . . . . . . . . . 116 ,, K. Kjeldahl- Jodblauer-Gunning method, Note on . . . . . . . . . . . . . . . process, Uselesmess of, for deter- mination of nitrogen in platino- chlorides, DELEPHINE . . . . . . ,, method for the determination of nitrogen, B. DYER . . . . . . ,, process, Arrangement for conduct- ing . . . . . . . . . . . . ,, process, Modification of, for sub- stances containing nitrates , . , ,, L. Lactosazone, Solubility of . . . . . . . . . Lard, Note on a sample of supposed, B. EITTO . . . . . . . .. . . . Note on detection of cotton-oil in, E. B. KENRICK . . . . . . . . . Examination of, A. GOSKE . . . . . . Analysis of, M. MANSFIELD . . . . . . Lard analysis, The phosphomolybdic test as applied to, G. F. TENNILLE Results of a number of tests in . . . . . . . . . . . . Larderine, Note on a sample of, R. BODMER Lathyrus sativus, Feeding experiments with Indian peas containing, J. HUGHES . . , . , . Lead and lead ores, Analysis of, NISYENYON & NEUMANN . . . . . . . . . . . . Leather, Analysis of chamois . . . . . . ,, Analysis of glace kid . . . . . Determination of sulphuric acid in, P. F. JEAN . . . . . . . . . Linseed-oil, Examination of raw and boiled, H. AMSEL . . . . . . . . . Examination of raw and boiled, F. FILSINGER Liquid carboaic acid, Examination of, L.GRUNHUT . . . . . . . . . . . . . . . Litmus solution, Preparation of, W. SCHAFER Luteol, A new indicator, W. AUTENRIETH ,, ,, ,, ,, $ 9 Microscopic structure of, ,, ,, . . . . . . M. Mace, Chemical variations of different kinds Magnesia mixture, Action of upon glass, L. L. DE KONINCK . . . . . . . . . Magnesian pyrophosphate in the citrate method, How to obtain pure white, H. NEIJBAUER . . . . . . . . . . . . . . . Maize as an adulterant of oatmeal, J. WHITE Maltose, Estimation of . . . . . . . . . ,, Rotatory power of, H. OST , , ,, Specific gravity of solutions of, ... Manures, Determination of potash in, W. E. GARRIGUES . . . . . . . . . . . . . . . Martiua’ yellow in macaroni, etc., Detection of, F. SCHAFPEB ..,. . . . . . . . . . of, E. SPAETH .. . . . . . . . . . 40 111 252 253 253 I25 32 136 222 222 63 63 33 169 172 286 180 180 62 70 137 113 37 188 200 138 20 30 2 26 258 25 9 66 225vi INDEX. PAGE MaumenB‘s test for oils, H. D. RICHMOND Meat-extract, Estimation of gelatin and albumin in, E. BECKMANN ... .. 44 Meat-extracts, Comparative examination of the constitution of, A. STUTZER . . . . . . . . 182 ,, Valuation o€ ... .. 182 58 Meat-extracts and commercial peptones, Analyais of the nitrogenous constituents of, A, QTUTZER . . . . . . . . . . . . 246 Microbes found in water, List of . . . . . . 97 9 9 Contribution to, E. BECK- Milk analysis, Acetic acid does not com- pletely remove prateids in 128 MA” . . . . . . . . . 42 $ 9 Employment of dehydrated sodium sulphate in ... 20 $ 9 Estimation of fat, E.BECK- Y , Estimation of solids-not-fat J , Inversion of cane-sugar by Method of clearing whey for MANX . . . . . . . . . 4.2 by freezing . . . . . . 43 citric acid . . . . . . 138 9 , polarimeter ... 121 ), Use of Mohr -Westphal balance in, C. H. WOLFP 115 Milk, Apparent increase in total solids under the influence of formalin . . . . . 152 Case involving a sample of abnormal, R. BODMER . . . . . . . . . . . . 265 Composition of, and the conditions affecting it, as shown by Dr. Bell’s analyses, J. 3’. LIVERWEGE ... 7 ,) condensed, The composition and analysis of, PEARMAIN & MOOR ... 266 ,) Detection of watered by examination of milk serum, LESCOEUR . . . . . . 200 , , Identification and estimation of carbo- ,, Formalin as a preservative in, S. ,, Necessity of adding preservatives to ), Note on commercial condensed, A.H. ,, New formula for estimating composi- ,, New method of estimating fat in, ,, Recknagel’s phenomenon in, H. D. Milks, condensed, Tables of the analyses Milk and milk products, ComposiQion and analysis of, during 1894, H. D. RICHMOND Milk samples, Use of formalin as a preserva- ), ,, hydrates in, A. W. BLYTI-I ... 121 RIDEAL . . . . . . . . . . . . 157 while fresh . . . . . . . . . . . 156 ALLEN . . . . . . . . . . . . 274 tion of from total solids and fat ... 57 FERKANDEZ-KRUG & HAMPE ... 20 RICHMOND . . . . . . . . . . . . 1 of . . . . . . . . . . . . . . . 271, 275 54 tive of, E. J. BEVAN . . . . . . . . . 152 Milk scale, Correction for Richmond’s ... 58 Milk - sugar, Estimation of by Gerrard’s ,, Estimation of by phenylhy- cupric-cyanide process 124, 127 drazine .. . . . . . . . 125 38 ,, Rubner’s test for . . . . . . 95 Morphine, Fallacies of post-mortem tests for PAGE N. Naphthol, Detection of, H. SPINETTE ... 211 Nickel and iron, Separation of, CAMPBELL & ANDREWS . . . . . . . . . . . . . . 116 Nickel, cadmium and zinc, Separation of copper from, P. N. RIKOWA . . . . . . 23 Nitrates, Determination of nitrogen in, M. Nitrites in presence of iron salt*, Detection of, H. KRAL . . . . . . . . . . 24 Nitrocellulose, Estimation of nitrogen in, D. STANOJEWITSCH . . . . . . . . . 21 Nitrogen in fertilizers, On the Gunning method for estimating total, W. E. GARRIGUES . . . . . . . . . . . . 39 Nitrogen in nitrates, nitro-compounds, and nitroso-compounds, Determination of, M.. . . . . . 45 0. Oatmeal adulterated with barley . . . . . . 32 Oatmeal, Note on maize as an adulterant of, J. WHITE . . . . . . . . . . . . . . . 30 Obituary notice, Dr. W. Morgan, of Swansea 145 Officers and Council for 1896 .. ... 30 Oil analysis, Attempt to use heat evolved by hulphur chloride in . . . . . . 148 ,, Relation between Hub1 number and rise in temperature with bromine . . . . . . . . . 149 Oil, Arachis, modification of Renard’s pro- 136 .. cotton-seed, Becchi’s test for . . . . . . 222 acids in, DYER & GILBARD .. ... 241 Hubl’s solution . . . . . . . . . 177 .... Examination of . . . . . . . . . 45 soisption, J. EPKRBIM . . . . . . 176 KRUGER . . . . . . . . . . . . . . . 45 . . . . . . KRUGER cess for the detectlon of, H.KREIS ,, cakes and other feeding stuffs, Free fatty ), olive, Iodine chloride as a substitute for ,, ,) On Hubl’s method of iodine ab- ,, raw and boiled linseed, Examination of, ,, Linseed, Note on the iodine and bromine ), Sesame in olive, Eaudouin’s reaction, Oils, A new thermal method for the examina- H. AMSELL . . . . . . . . . . . 70 absorptions of, R. WILLIAMS ... 276 E. CARLINFANTI . . . . . . . . . 222 tion of, HEHNER & MITCHELL ... 146 .. Chloro-iodine, Numbers of certain ... 138 ,, Colour reactions of olive and others, NEGRI & FABRIS . . . . . . . . . 45 .. Detection of albuminous matters in ... 178 ,, Gravimetric determination of bromine absorption in, 0. HEHNER . . . . . . 49 ,, Maumen6’s test for, H. D. RICHMOND 58 ,, Relation between the Hub1 and Mau- ,, Tables of the iodine and bromine , , Testing of, with the refractometer, men6 figures .. . . . . . . . . . . 147 .. Stannic bromide test for . . . . . . 175 T. H.PEARMAIN . . . . . . . . . 134 P. numbers of various . . . . . . . . . 51 Paraffin in crude anthracene, Estimation of, HEUBLER & HERDE . . . . . . . . . 142INDEX. vii - PAGE 262 240 119 263 239 238 24 48 60 184 23 174 113 106 191 179 189 215 6 60 178 3 17 23 64 210 226 19 31 91 21 Peas, Indian, containing lathyrus sativus, Feeding experiments with, J. HUGHES . . . . . . . . . . . . ,, Microscopic structure of . . . . . . Pepper, The examination of, W. BUSSE ... Valuation of, by means of coloring matter in husk . . . . . . . . . Peptone, Estimation of gelatin and albumin in, E.BECKBIANN . . . . . . . . . . . . Note on the adulteration of com- mercial, M. L. HOGOUNENG ... Petrolene, Definition of . . . . . . . . . Petroleum, Estimation of sulphur in, F. HEUSLER . . . . . . . . . . . . . . . Perchromic acid, Solvents for, W. M. GROSVENOR . . . . . . . . . . . . Phenylhydrazine, Employment of, in estima- tion of dextrose, ltevulose, and saccharose, LINTNER & KRijBER . . . . . . . . . Phosphomolybdic acid test in lard analysis, G. F. TENNILLE . . . . . . . . . . . . Phosphoric acid, Estimation of, by titration of the molybdate precipi- tate, B. W. KILGORE .. white magnesium pyro- phosphate in the estima- tion of, H. NEUBAUER ... 9 , ,, The determination of, H. PEMBERTON .. ... Y , ,, Simple method of determin- ing by molybdate solution, J.HANAMANN . . . . . . $ 9 ,, Estimation of “ available,” in Thomas slag, G. SANI 9 9 ,, Estimation of “ citrate- soluble,” in Thomas slag, P. WAGNER . . . . . . Platino.chlorides, Uselessness of Kjeldahl’s method for determining nitrogen in, Poivrette in pepper, Phloroglucol test for ... Potash in manures, Determination of, W. A. GARRIGUES . . . . . . . . . . . . Potash determination in fertilizers, Addition of calcium chloride to solution in, R . I>E ROOKIE . . . . . . . . . . . . . . . Potassium nitrate, Removal of perchlorate from, V. PANAOTOVI~? . . . . . . . . . ,, Peptones, Analysis of commercial . . . . . . ,, 17 ,, Method of obtaining pure DEXLEPHINE . . . . . . . . . . . . . Quicklime, Method of determining calcium oxide in, W. E. STONE & P.C. SCHEUCH Quinine, The micro-chemical examination of, H. BEHRENS . . . . . . . . . . . . R. Recknagel’s phenomenon, Note on, H. D. RICHMOND . . . . . . . . . . . . . . . Refractometer, Testing of oils with, T. H. PEARMAIN . . . . . . . . . . . . . . . Resin in soap, Gladding’s process for the , . . Refractometere, Difference in scales of ... determination of, L. ARCHBUTT , , . PAGE 169 172 180 181 44 246 94 4 1 187 113 167 63 17 20 95 115 189 215 111 181 66 66 23 19 92 1 134 135 6 REVIEWS :- Aids to the analysis of food and drugs, PEARMAIN & MOOR . . . . . . . . . Air, water, and disinfectants, C. M. AIKMAN . . . . . . . . . . . . . . . Chemical analysis of oils, fats, and waxes, and of the comniercial products derived therefrom, BENEDIKT & LEWKOWITSCH Chemistry of urine, a practical guide to the analytical examination of diabetic, gouty, and albuminous urine, A.H. ALLEN . . . . . . . . . . . ... Poisons, their effects and detection, A. W. BLYTH . . . . . . . . . . . . Science and art of bread-making, W. JAGO The Sale of Food and Drugs Acts, BELL & SCRIVENER . . . . . . ... Rose-oil, On the detection of geranium-oil in, R. JEDERMANN . . . . . . . . . . . . Rosin in soap, Examination of the Twitchell method of determining, EVANS & BLACK . . . . . . . . . . . . . . . S. Salicylic acid in wine, Detection of, Saltpetre, The purification of, from per- chlorate, V. PANAOTOVIB . . . . . . . . . Sandal-world-oil, Note on the adulteration of, PEARMAIN & MOOR . . . . . . . . . Selenium, Detection of arsenic in presence of, L.DAWYDOW . . . . . . . . . . . . Sewers, Absence of typhoid bacteria in ... Silicates, Lead carbonate as an agent for opening up, P. JANNASCH . . . . . . Silk from cotton, To distinguish . . . . . . Slag, Thomas, Estimation of phosphoric acid in, G. SANI . . . . . . 9 , ,, Estimation of phosphoric acid in, P. WAGNER ... Soap, Determination of resin in, by Glad- ding’s process, L. ARCHBUTT . . . . . . Soaps, Examination of the Twitchell method of determining rosin in, EVANS & BLACK Soda solution, Action of alcoholic, on albu- min and glue-yielding substances, *W. FAHEION . . . . . . . . . . . . . . . Sodium peroxide, Note on the analysis of, L. ARCHBUTT . . . . . . . . . . . . Starch, A comparison of the methods for the ,, Solution, The preservation of, H.,, Rapid estimation of, P. L. HIBBARD ,, New method of estimating, by iodine, DENNSTADT & VOITGLANDER ,, Determination of, H. OST . . . . . . ,, Estimation in brewers’ grains and forage material . . . . . . . . . ,, Microscopical distinction between maize and oatmeal . . . . . . .,. Streams, Purification of by green plants, Sugar Estimation by ammoniacal cupric sulphate solution, ALLEIN & GAUD ... M. sPIC.4 . . . . . . . . . . . . . . . determination of, W. E. STONE ... . . . . . . . . . KRALL .. bacteria, etc., BOKORNY & D~CLAUX ...viii INDEX. PAGE Sugar Estimation, Action of alkaline cop- per solutions on sugars, KJELDAHL ... 227 Influence of air, and of quantity of alkali and tartratein . . . . . . 227 ,, Kjeldahl’s tables for glucose, fructose, in- vert, galactose, lac- tose, and maltose ,, 225, 229, 230 ,, Peska’s tables for glu- cose, invert, lactose, and maltose ...231 ,, Method of converting cuprous oxide into cupric, K. FARN- ,, By means of potassium copper carbonate, H. Tables of various sugars for use with Ost’s solution . . . . . . 260 ,, Volumetric, by ammo- niacal copper solu- tion, 2. PESKA ... 230 Products of the action of Fehling’s solution on . . . . . . . . . . . . 230 Solutions, Preparation of for polari- meter, STIFT & PETZIWAL . . . . . . 232 Invert, Influence of lead acetate on the determination of, BORNTRAGER 232 STEINER . . . . . . 258 OST . . . . . . . . . 259 , , Sugars, Estimation of dextrose, laevulose, and saccharose, LINTNER & KROBER ... Sulphocyanic acid, On a method of estimat- ing, M.T. GOUDOIN . . . . . . . . . Sulphur, On the detection of small quantities of irietals of the second group in precipitated, R. FRESENIUS ... ,, in organic volatile compounds, Determination of, C. F. MAY- ,, ,, petroleum, Estimation of, F. HEUSLER . . . . . . . . . . . . ,, Action of, on unsaturated fatty bodies, J. ALTSCHUL . . . . . . Sulphuric acid, Standardization of, S. F. SHIVER . . . . . . . . . of, P. F. JEAN . . . . . . Sulphuretted hydrogen in analysis, Thio- acetic acid as a substitute for, SCHIFF & TARUGI . . . . . . . . . . . . . . . BURP . . . . . . . . . . . . 9 , ,, in leather, Determination T. Tannin, Experiments on, L. FAJANS ... ,, Determination of, by metallic oxides, W. H. KRVG . . . . . . .. . Tellurium in copper bullion, C. WHITEHEAD Thiacetic acid, Action of, on metallic solu- tions, N. TARVGI . . . . . . ,, ,, Preparation of . . , . , , ,, ,, as a substitute for hydrogen sulphide in analysis, SUHIFF & TARUGI . . . . . . . . . 167 43 45 61 187 256 143 62 62 25 6 283 189 213 214 62 _______________ PAGE Thiophen in benzene, Estimation of, G. Tin, arsenic, and antimony, Separation and Tobacco, Method of estimating ammonia in, DENIGES . . . . . . . . . . . . . . . 188 determination of, W. HAMPE . . . . . . 46 in presence of nicotine, V. VERDRFDI ... 255 V. Varnisheg, The analysis of, P. C. McIL- HINEY . . . . . . . . . . . . 93 ,, Processes used in oil analysis unsuitable for that of ... 194 Vinegar, Estimation of acetic acid in, A. R. LEEDS . .. . . . . . . . . . . . . 224 Viscosimetrical examination of butter, C. KILLING . . . . . . . . . . . . . . .66, 94 Volumetric analysis, Use of litmus and metbyl-orange in, G. LUNGE . . . . . . 65 sulphuric acid, F. S. SHIVER ... 143 9 , ,, Standardization of W. Walnut shells, Microscopic appearance of ... Water of springs containing zinc, W. P. 131 HILLEBRAND . . . . . . . . . 17 Chemical and bacteriological ex- amination of, with A. DuprB’s re- marks on the 1893 fever epidemic a t Worthing . . . . . . . . . 73 Organic matters undergoing putre- faction in absence of air do not yield nitrates . . . . . . . . . 83 of several deep wells, Nitric nitrogen of . . . . . . . . . . . . . . . 84 in which no bacteria could be found, cause of epidemics . . . . . . . . . 98 Number of micro-organisms present in, no criterion of purity .. . . . . 100 Comparison of the organic carboil. and nitrogen results of the Metro- analjsis, Erratic results of the Frank- land and Armstrong pro- cess of 73, 160 ,, chemical, What ‘does it teach? . . . . . . . . . 74 , , Unreliability of bacterio- logical methods in ... 75 , , Failure of bacteriological examination in detecting impure water . . . . . . 79 ,, Importance of knowing source of water in ,.. 80 ,, Indications afforded by nitrates . . . . . . . . . . 82 ,, Indications afforded by ni- trites, ammonia, phos- phates, and organic matter in ... 85, 86 a t Worthing, Extract from’*Dr. T. Thompson’s report on . . . . . . 77 filtration, Bacteriological analysis a good guide for judging of the efficiency of .. . . . . . . . 26 politan Water Companies.. , .. 159INDEX. ix PAGE Waters, Analysis of the Londim, for the years 1891, 1S92, 1893 . . . . . . 161 ,, causing epidemics, Table of ana- lyses of . . . . . . . . . . . . 103 Westphal balance, Use of, i n milk analysie, C. H. W O L ~ . . . . . . . . . . . . 115 \Vine, Extract from the Austrian alimentary code . . . . . . . . . . . . . . . 117 Determination of glycerol, and esti- mation of man- riitol in, MAX- BGAtm4TA ... 183 31. S H C A ... 18.1 VIGXA . . .. 1s-1 v i ~ t t i c k Huuwr 1% , , CUSO - I ~ I h t . 4 & ,, 11 salicylic acid in, 9 , 9 3 tannin in, A. 9 11 fluorine in, Nr- ,, &timation of poixssiiitrr sulphatt: in, I;. HUGOVSESC: .. 184 9 J , , glycerin in, A. VARTHE~L 251 PAGE Wines, Colouring matters in Californian Woody fibre in fodders, Estimation of, A.Wool from cotton, To distingiiish . . . . . . Wocdlen, pseiido-, fabrics, E. G. CLAYTON.. . Worthing, Remarks on the fever :epidemic red, \Ir. D. BIGEr,ow . . . . . . . . . 112 P. AITKEN . . . . . . . . . . . . . . . 35 179 174 of 1893, A. DUPHB . . . . . . . . . . 73 Z. Zinc-bearing spring waters, W. F. HILLE- BltAh’l).. . . . . . . . . . . . . 17 ,, cadmium, and nickel, Separation of cot~per from, P. N. RIKOWA ... 23 ,, in desiccated apples, Estimation of, L. IA~GLE~L . . . . . . . . . .. 251 ,, Kote on the determination of, W. P. S HI^ R . . . . . . . . . . . . 1 4 8 ,, Preparatjon of pure, MYLI~S & FROMJI 236 ,, Volumetric determination, and appli- cation of a new indicator, G. C.STONE.. . . . . . . . . . . . . . 236 PAGE A. A~TKEN, A. Y., The deterriiiriation of woody ALLEIN K: GAUJ), New method of estimating ALLEN, A. €I., Note on corrimercial con- ALTSCHUL, J., The action of sulphur on un- r i ~ l ~ ~ ~ , , H., On the examination of linseed- AIWHBUTT, L., Kote on the analysis of tibre in fodders . . . . . . . . . . . . 35 gluc 1st: by alkaline copper solution ... 21 densed niilks . . . . . . . . . . . . 274 saturated fatty 1 odies . . . . . . .. 256 oil anti boiled linseed-oil . . . . . ... i 0 sodium peroxide . . . . . . 3 for the determination of resin in soap . . . . . 6 . \ H E ~ s , K., Es+irnation of dust in sir .,. 137 1SS 9 , Note on Gladding’s process AUTEN’HIETH, W., Luteol, a new indicator.. . B. peroxide in green plants . .. . . . .. 112 estimation of arsenic ... . . . . . 22 42 albumin in peptone ... 44 Bac~r, A., The determination of hydrogen BAKILLOT, E., Toxilogical detection and UECKMANN, X., Cotltribution to milk analj sis 9 , Estimation of gelatin and BEHRENS, H., On the inicrochemical esami- HEVAN, E. J., Crystallized glycerin . 131 servative of milk sairiples 152 BIGELOW, W. I)., Colouring matter in Cali- forthi: red wines .. . 112 BLYTH, A. IV , The identification and esti- mation of carbohydrates in milk . . . . . . 121 nation of quinine . . . . . . . . . . . . 92 Y , The use of forrnalin as a pre- PAGE UOIJMKR, K., Note on a saniple of larderine Note on a recent cast: involv- ing a sample of abnormal milk . . . . . . . . . . . . 265 Note on t w o samples of “filled” o r “ lar I ’’ cheese .... 268 BOKOHNY & L ~ O L A U X , Purification of streams by green plants, by bdcterin, and other- wibe . . . . . . . . . . . . . . . 91 BORVTRSGER, The influence of plumbic acetate on the determination of invert sugar . . . . . . . . . . .. 232 BOYER, C. S., Interpretation of some results in the analysis of soine extracts of ‘fustic 208 BKUNK, O., The estimat on of antimony as antimoilions antimoniate ... . . . . . 190 BUSSE, W., The examination of pepper ... 180 CABIRKON, C. A , Note on unusual specimens of milk . . . . . . . . . . . . . . . 111 CANPRECL & ANDREWS, Separation of nickel and iron ,. . . . . . . . . . . . . 116 CAHLIWANTI, E., Bndonin’s reaction for the detection of srsame-oil in olive-oil ... 222 CIrKrrAwAY, PEARMAIN CY: MOOR, The com- position of some English cheeses .. . . 132 Ci<oRr,Er, J. C., Apparatus for preserving and delivering standard solutions . . . . . . 15 CIIORLEY, J. C , Constant level apparatus 16 CLARK, R., Method of determining chro- mium in chrome ore . . . . . . . . . 141 CLAYTOX, E. G., Pseudo-woollen fabrics .. 174 CRISMER, >I., A new method of analysing 33 ,, , , C. fats and hydrocarbons ... 209X INDEX. _ _ _ ~ - ~ _ _ _ _ _ ~ PAGE CRIBMER, L , Critical temperatures of dis- solution, a new constant for the examination of fatty bodies . . . . . . . . . 25 7 CUSHMAN, A. S., A new method for the separation of copper and cadmium in qualitati ve analysis . . . . . . . . . 21 4 D. DAVOLL, D. L., junr., Fallacies of post- DAWIIOW, L., The detection of arsenic in DELAITE, J., Contribution to butter analysis DELEPHINE, Uselt smess of Kjeldahii method for determinjng nitrogen in platino-chlorides .. . . . . . . . . . . 111 DENIGES, G , Examination of medicaments containing iodine . . . . . . 186 ,, Examination of thiophen in benzene . . . . . . . . . 188 DENNSTEUT & VOIGTLASDER, A new method for the quantitative estimation of starch 210 DULIN, R. S , The wet assay of copper ... 164 DUPR~, A., Note on the chemical and bac- teriological examination of water, with some remarks on the fever epidemic a t Worthing in 1893 . . . . . . . . . . . 73 DUCOMMUN, J., Antipyrine and thalleioquin reaction . . . . . . . . . . . . . . 234 DYER & GILBARD, Notes on cinriamon .. 129 mortem tests for morphine . . . . .. 38 the presence of selenium . . . . . . . . . 113 (Abbe refractometer) ... 59 9 , Free fatty acids in oil- cakes and other feeding stuffs . . . . . . . . . 241 DYER, R., Kjeldahl’s method for the deter- mination of nitrogen . . . . . ... 252 E. absorption . . , . . . . . . . . . . . 176 EPHRAIM, J., On the Hub1 method of iodine EVANS & BLACK, An examination of the Twitchell method for the deterinination of rosin in soap . . . . . . . . . . . . 60 F. YAHRION, W., Action of alcoholic sodium hydrate solution on albu- min and glue - yielding substances . . . . . . 178 glue-yielding substances 254 FAJANS, L., Experiments on tannin .. , 266 FARSTEINER, K., A method of converting the cuprous oxide obtained in gravimetric estimation of sugar into cupric oxide . .258 FERNANDEX-KRUG & HAMPE, A new method FILSINGER, F., On the examination of lin- 9 9 The analysis of glue and ... of estimating milk fat . . . . . 20 seed-oil, raw and boiled . . . . . . . . . 137 FREYER, F., Estimation of formic acid ... 208 FRIEDHEIM & MICHAELIS, Separation of arsenic from other elements by means of methyl alcohol and hydrochloric acid ... 236 FRESENIUS, R., On the detection of small quantities of metals of the second group in precipitated sulphur . . . . . . . . . 45 _. _ _ ~- ~ - G. PAGE GAWTER, F., The detection of blood-stains GARRICTJES, W. E , On the Gunning method for total nitrogen esti- mation in fertilizers 3 6 t l The determination of melting - points and the composition of some candle material 40 1, The deterinination of potash in manures ...66 GOUDOIN, M. T., On the method of esti. mating sulphocyanic acid . . . . . . 43 GRAFTIAN, J., Water in honey . . . . . . 251 GOSKE, A., The examination of lard ... 222 GROSVEWOK, W. M., jun., Solvents for per- chromic acid . . . . . . . . . . 113 GRUTNHUT, L., Examination of liquid car- bonic acid . . . . . . . . . . . . . . . 113 H. in forensic cases . . . . . . . . . . . . 186 HAMPE, W., The separation and determina- tion of arsenic, antimony, and tin . . , 46 HANAMANN, J., Simplitied method for deter- mining phosphoric acid by meanti of molybdate solution . . , . , , , , . 116 HANDY, J. O., The superiority of barium hydrate solution as an absorbent in carbon determination in steel . . . . . . . . . 191 HEFELMANK & MANN, Detection of fluorine in beer .. . . . . . . . . . . . . . 185 HEHNER, O., On the determination of the bromine absorption of fats gravimetrically 49 HEHNER & MITCHELL, A new thermal method for the examination of oils ... 146 HERFELDT & STCTZER, On the fat, sugar, and tannin i n coffee-beans . . . . . 249 HEUSLER & HERDER, The estimation of paraffin in crude anthracene . . . . . . 142 HEUYLER, P., On the estimation of sulphur HIBBAED, l’. L., Rapid estimation of starch HILLEXRAND, E., Zinc-bearing spring waters HIRSCHSOHN, E., The detection of oil and HORNE, W. D., The rapid and accurate HUGHES, J., Feeding experiments with Indian peas containing Lathyrus sativus HUGOUNENG, L., Estimation of potassium in petroleum ... . . . ... 187 64 17 gurgun balsam in copaiba . .. . . . 25‘2 analysis of b ne-black . . . . . . . . . 69 169 sulphate in wine ... 184 9 , Note on the adulteration of commercial peptones 94 nising horseflesh . . . . . . . . . . . . 95 HUMBERT, M., Chemical process for recog- J. JANNASCH, P., Lead carbonate as an agent JAY & DUPASQUIR, Estimation of boric acid JEAN, P. F., The determination of free sul- JEI)EHMANN, R., On the detection of geranium- oil in rose-oil . . . . . . . . . . . 48 JONES, H. C., On the determination of formic acid by titration with potassium for opening up silicates . . . . . . . . . 191 phuric acid in leather I . . ... 62 223 permanganate . . . . . . . . . . . . 207INDEX. xi -________- -____ IC. PAGE KEBLER, L. F., Acidimetric estimation of vegetable alkaloids . . . . . . 278 Kenrick, E.B., Note on the detection of cotton-seed-oil in lard . . . . . ... 136 KILGORE, B. W., On the estimatiun of phos- phoric acid by tittation of the molybdate precipitate . . . . . . . . . . . . . . . 17 KILLING, C. , Viscometrical examination of KIPPENBERGER, C., On the isolation, quan- titative separation, and chemical charac- teristics of alkaloids and glucosidal bodiea in forensic cases .. . . . . . . . . . 801 KITTO, B., Note on a sample of supposed lard 52 KJELDAHL, J., On the action of alkaline copper solutions on sugars . . . . . . 227 KOXINK, L. L. DE, The action of magnesia bn t ter . . . . . . . . ... 66, 94 mixture on glass ... 138 7, Volumetric analysis of chloroplatinates, the d e t e r m i n a t i o n of potassium, ammo- nium, nitrogen, and platinum .. . . . . 140 23 of iron salts . . . . . . . . . 24 KRAAL, H., Preservation of starch solution ,, Detection of nitrites in presence KREIS, H., Modification of Renard's process KRUG, W. H., The determination of tannin KRUGER, M., The determination of nitrogen in nitrates, nitro-compounds, and iiitroso- compounds . . . . . . . . . . . . . . 45 for the detection of arachis-oil . . . . . . 136 by metallic oxides . . . . . . . . . . 283 L. LEEDS, A. R., Acetic acid in vinegar ... 224 LANGE, G., Quantitative estimation of cellu- lose . . . . . . . . . . . . . . . . . . 283 LEGLER, L., The estimation of zinc in desic- cated apples . . . . . . . . . . . . 251 LESCOUR, The detection of watered milk by the examination of the milk serum ... 200 LIDOW, A. P., The influence of temperature on the elaidin reaction .. . . . . . . . 178 LINTXER & KR~BFR, On the employment of phenylhydrazine for the quantitative esti- mation of dextrose, IEvulose, and saccha- rose . . . . . . . . . . . . ... 167 LINTON, L. A., On the technical analysis of asphaltum . . . . . . . . . . . . . . . 41 LIYERSEEGE, J. F., The composition of milk and the conditions affecting it as shown by LUNGE, G., On the use of litmus and methyl-orange as indicators in volumetric Dr. Bell's analyses . . . . . . . . . 7 analysis . . . . . . . . . . . . . . 65 M. MABCUSO-LIMA & SGARLATA, Deterinina- tion of glycerol in wines, and indirect esti- mation of mannitol . . . . . . . . . 183 MARSFIELD, M., Lard . . . . . . . . . 222 MARIANI & TASELLI, Contribution to the study of the ash of cheese .. . . . . . . 168 MARTELLI, D. , Simple method of detecting poivrette in ground pepper . . . . . . 181 MAYBURY, C. F., The determination of sul- phur in volatile organic compounds , , . MIGNOT, A., Volumetric estimation of arsenic in iron and steel . . . . . . . . . MOISSAN, H. , On the estimation of boron. . MOLHANT, M., The detection and estima- . . . . . . . . . MYLIUS & FROMM, Preparation of pure zinc NEGRI & FABRIS, Oils . . . . . . . . . NEUBAUER, H., Method of obtaining pure white magnesium pyrophosphate in the citrate method . . . . . . . . . . . . NIEBEL, W., On the chemical recognition of horseflesh . . . . . . . . . . . . . NISSENSON & NEUMANN, The analysis of lead, metal and ores ,. . . . . . . EXVIERE & HUBERT, Detection of flnorine in wine .. . . . . . . . . . . . . . . . . OETTEL, F., An improved burette . . . . . . OSBORNE, T. B., The chemical nature of diastase . . . . . . . . . . . . . . . ,, The rotatory power of maltose ... Estimation of sugarbymeans of po- tassiumcoppercarbonate solution P. MCILHINEY, The analysis of varnishes ... tion of glycerin in beer N. 0. OST, H., The determination of starch ... ,, PALADINO, P., On a new alkaloid in coffee PANAOTOVI~, V., The purification of salt- petre from perchlorate . . . . . . . . PARTHEIL, A., The estimation of glycerin in wine and beer . . . . . . . . . . . . . PEARMAIN & MOOR, The composition and analysis of con- densed milk ... 1, ,, Note on adulterated sandal-wood-oil ... 9 , ,, Note on a sample of adulterated coffee... PBARMAIN, T. H., The testing of oils by the oleo -ref ractometer . . . . . . . . . . . . PECKHAM, S. F., The asphalt, question . . , PEMBERTON, B., junr., The determination of PESKA, Z., Thevolumetric estimationof sugar by means of ammoniacal copper solution PLIMPTON Rt CHORLEY, Theuse of barium thio- sulphate in standardizing iodine solution POSETTO, G., The composition of some vegetable colouring matters for use in con- PRINSEN, H. C., Ang-Kha<,"a Chinese d y e used for the coloration of articles of food PRIWOZNKI, E., The influence of the metals of the platinum group on the estimation phosphoric acid . . . . . . . . . . . . POLENSKI, E., Examination of butter ... fectionery . . . . . . of gold by parting . . . . . . . . . R.RAIKOW, P. N., Detection and quantitative estimation of chlorine in the presence of iodine . . . . . . . . . . . . RICHMOND, H. I)., Note on Recknage& phenomenon . . . . . . . . . . . . PAGE 61 93 235 22 223 236 46 20 252 286 185 238 232 226 258 259 141 23 251 268 174 176 134 63 95 230 111 27 7 188 198 262 47 1xii INDEX. PAGE RIcmrow, H. D., The composition and analysis of milk and milk products ... 54 specific gravity, fat, and solids-not-fat in ruilk . . . . . . . . . 57 1) Alanmen6’s test for oils 58 >, lhclaux’s method for 9 . The relation between the estimation of volatile fatty acids, the laws governing volatility deduced therefrom, and their application t o analy- sis, especially to that of butter ... 193, 217 RICHMOND & BOSRLRT, Note on the detec- tion of formalin .. . . . . 154 RIDEAL, S., On /forinah as a milk preser- vative . . . . . . . . . . . . .. 157 RIKOWA, P. N., Separation of copper from cadmium, zinc, and nickel . . . . . . 23 ROLFFB, J. , Test for distinguishing between butter a,nd margarine . . . . . 221 ROODE,” R.:’,~E, The addition of calcium chloride to a solution of a fertilizer in the determination of potassium . . , . . , 66 SAMUELSON, J., An abnormal butter .. 221 SANI, G., The estimation of available phw- phoric acid in Thomas slag . . . . . . 189 SCHAFER, w., The preparation of litmus snlution . . . . . . . . . . . . . . . 37 SCIIAFFER, F., The detection of Martius SCHIFF RS TARUGI, Thioacetic acid as a sub- stitute for hydrogen sulphide in analysis 62 SCHNEIDER, J., A new method of estimating indigotin .. . . . . . . . . . . . . . . 21 1 SCHNEIDER, L., A new method of estiinat- ing carbon in steel . . . . . . . . . . . . 65 SCHUYTEN, M. C., The estimation of iodine in organic substances of the fatty EerieFj.. . 234 SCHWEITZER & LUNOWITZ, The de’ ection of water in acetone . . . . . . . . . . . . 234 SHIMER, P. W,, Note on the determination of zinc . . . . . . . . . . . . . . . 143 SHIVER, I?. S., Standardization of sixlphuric acid . . . . . . . . . . . . . . . . . 143 SOSTEGNI, L. , Methods of annly4s of copper salts . . . . . . . . . . . . . . . . . . 189 SPAETH, E., The acetyl numbers of lard, cotton-seed-oil, and tallow 252 ,, The chemical variations of different kinds of mwe ... 200 SPALLANZANI & FIZZI, Some sprnples of Italian butter .. . . . . . . . . . . 199 SPICA, M., The detection of sialicylic acid in wine, . . . . . . . . . . . . . . . . . 1 8 4 SPINNETTE, H., Detection of naphthol ... 211 STAHR,~L., Characteristic reaction of citric acid . . . . . . . . . . . . . . . . . . 188 STANOJEWITSCA, R., On the estima,tion of STIFT RS PETZIWAL, Preparation of sugar . . . . . ... S. yellow iri macaroni, etc. . . . . . . . . . 226 nitrogen in nitro-cellulose ... .. 21 solutions for the polarimeter . . . . . . 232 PAGE STONE, G. C., Volumetric determination of zinc ; a new indicator for ferrccyanide ... 436 STOKE, W . J1:, A comparison of methods for the drterniination of starch ._, .,. I 7 STONE & SCflEGCH, A method for determin- STUTZEIi, A., A comparative examination of the constitution of different meat extracts . . . . . . 182 On the analysis of the nitro- get,nus constituents in meat extracts and commercial pep tones . . . . . . 246 ing calcium oxide in quicklime .. ... 19 ,, T. TARUGI, N , The action of thiacetic acid on TESNILLF,, G. F , The pliospho-inolj bdic THRESH, J. C., The interpretation of the results obtained upon the chemical and bacteriological examination of potable waters . . . . . . . . . . . . . . . 80, 97 TIEMANN & KRUGER, Ionone and irone ... 234 TWITCHELL, E., The separation of solid and liquid fatty acids . . . . . . . . . . . . 165 various metallic solution3 in the cold ... 213 acid test in lard analysis .. . . . . . 63 U. V. UFFELMANN & B~~NIER, On the chemical com- position of Cola nut . . . . . . . . 42 VERnRiJlir, v., Method for the quantitative estimation of ammoriia in tobacco in VIGNA, A., The determinaticn of tannin in presence of nicotine ... . . . . . 255 W. wine . . . . . . . . . . . . . . . . . 184 WAGNER, P., The estimation of citrate WALLER, -, The theory of Hubl’s iodine process, and a suggestion for its improve- ment . . . . . . . . . . . . . . 280 WRKLE & MERKEL, Action of formalin on food stuffs . . . . . . . . . . . . . . . 167 WEN~E’, N., The viscometrical examination of bi tier for fo ign fats . . . . . . . . . 220 WENSIC, W., On x e estimation of bromine WHITE, J., Note on the use of maize as an WHITEHEAD, C., Estioiation of tellurium in WIrmAm, R., Note on the iodine snd WISLICENUS & KAUFMANN, Amalgamated aluminium as a neutral reducing agent in WOLFP, C. H., The use of the Mohr- WOLFYENSTRIN, R., The concentration and soluble phosphoric acid in Thomas Plag ... 215 in the presence of chlorine . . . . . 139 adulterant of oatmeal . . . . . . . . . 30 copper bu1lio.n ... . . . . . . . . 189 bromine absorptions of linseed-oil ... 276 the prepence of water . . . . . . . . . 213 Westphal balance in milk analysis ... 115 distillation of hydrogen peroxide . . , 38 P. YOUNG, W. C., A comparison of the organic carbon and nitrogen results ob- tained by Dr. Frankland and the com- panies’ arialysts from the waters supplied by the Metropolitan Water Companies ... 159 ~~ ~~~ BILLING AXD SOZVS, PHINTERS, OUILDFORD.

ISSN:0003-2654    

DOI:10.1039/AN89520BA001

出版商:RSC    

年代:1895

数据来源: RSC