摘要:

INCLUDING THE PROCEEDINGS OF THE " SOCIETY OF PUBLIC ANALYSTS," A MONTHLY JOURNAL DEVOTED TO THE ADVANCEMENT OF THE ANALYSIS OF FOOD AND DRUGS, AND OF GENERAL ANALYTICAL AND MICROSCOPICAL RESEARCH. EDITED BY JOHN MUTER, M.A., Ph.D., F.R.S.E., F.L.C., F.C.S., ETC., Late President of the Society of Public Analysts ; Author of ( L A Short Mmual o j Analytical Chemzstry ; and of Text-Books on Phamzaeeutical Ckeniistry and Hateria Nedica ; Public Annaly.st for Lambeth, Wandmortlt, Soictlmark, Rotlm4ithe, Newington, Tenterden, etc., Analyst t o the Metropolitarh Asy Zzcins Board. VOL. XIV. 1889. LONDON : PUBLISHED FOR THE PROPRLETOR, BY MESSRS. BAILLIERE, TINDALL & COX, KING WILLIAM STBEET, STRAND, W EI N D E X PAGE A Abnormal Butters from Ireland, Denmark, and Sweden, by CHAS.ESTCOURT ... 51 ADAMS, M. A., on a New Form of Air- bath ... ... .., 222 Air-bath, A New Form*if, by M. A. ADAMS 222 hlbuminoid Ammonia, Dynamical Theory of, by ROBERT B. WARDER ... 212,232 Alcohol, Regulations of the German Government for Testing the Material used in the Denaturation of ... ... 174 Alkaloids in Coca Leaves, Estimation of, by PROF. VAN DER MARCK.. . in Extracts, Estimation of, by ALLEN, ALFRED H., on Abnormal Danish 115 ,, L. VAN ITALLIE ... ... 118 Butter ... ... 72 99 ,, Presidential Address 21 99 9 , on Some Abnormal Samplesof Butter 5 Ammonia, Albumenoid, Dynamical Theory AMTHOR, E., on Dextrin in Genuine Honey 238 Analysts, Public, Proceedings of the 1, 21, 41, 61, 81, 101, 121, 141, 161,221 AntZarine, Xew Test lor, by W. BETTINK 194 Antifebrin in Phenacetin, Test for, by M.J. SCHRODER ... ... ... 78 Antimony, Separation of, from Copper, by FINKENER ... ... ... 217 Appointments ... ... 40,240 ARCHBUTT, LEONARD, on Some Results of Analyses of Olive Oil from Different Sources ... ... ... ... 210 Arsenical Colouring Matters used in Colouring Candles, by W. F. LOWE ... 83 ASBOTH, PROF, YON, on the Estimation of Starch ... ... . . a 138, 157 ATWATER, W. O., on Sources of Error in Determination of Nitrogen by Soda-lime, and Means for Avoiding them 17,67,76,90,157 of, by ROBERT B. WARDER ... 212,232 Society of ... Balance, Westphal, by W. F. K. STOCK .., 50 BAUMERT, G,, on Boric Acid in Wine ... 20 PAGE BEAM, W., on the Estimation of the Total Nitrogen in Water by the Kjeldahl BETTINK, W,, on a New Teat, for Antiarine 194 BLOUNT, BERTRAM, on “Pure” Chemicals 106 BLUM, J., on a Source of Error in the Separation of a Small Quantity of Man- ganese from a Large Amount of Lime by BODDE, H., on a Test to Distinguish Re- sorcin from Carbolic and Salicylic Acids 116 Boric Acid in Wine, Occurrence of, by G.BAUMERT ... ... .I. ... 20 Bromides, Detection of, by J. S. C. WELLS and H. T. VULTE ... ... ... 169 Butters, Abnormal, Danish, by ALFRED H. ALLEN ... ... 72 and Sweden,by CHAS. ESTCOURT ... 51 Butter Analysis, Apparatus for, by H. DROOP RICHMOND ... 112 .., 200 cess for Estimation of Soluble and Insolu- ble Fatty Acids in, by DR. W. JOHNSTONE ... 11s ,, Fat, The Iodine Absorpt’ion of, by ROWLAND WILLIAMS ... 101 ,, Fat, The Quantity of Volatile Acids Present in, by DR.VIETH 147 ,, Influence of Different Cattle Foods on the Composition of, by A. MAYER ... ... ... 20 Butter Milk, New Volumetric Method for Estimating Fat in, by CHAS. L, PARSONS ... 181 ,, Some Abnormal Samples of, by ALFRED H. ALLEN ... 6 ,, Test, Reichart’s, by DR. Process ... ... ... ... 168 Ammonium Sulphide ... ... 192 $9 ,, from Ireland, Denmark, 9, ,, Prize offered for a Pro- ... ,, BENNETT F. DAVENPO~T 167 Calcium Chloride Tube in Elementary Analysis, Substitute for, by J. PREUSSER 177 Candles, Colouring Matter (Arsenical) used for, by W. F. TIOWE. .. ... 83 ...INDEX. iii PAGE Cantharidin, Estimation of, by J. B. NAGEL-I VOOBT ... 194 Carbolic Acid;"Assay if,' L. DE"KONINGH 80 Casein, Estimation of, by HAROLD FABER 141 Cattle Foods, Influence of, on the Composi- tion of Butter, by A.MAYER ... ... 20 Chemicals, '' Pure," by BERTRAM BLOUNT 106 Chlorides, Detection of, by J. Y. WELLS and H. T. VULTE ... ... 169 Chlorine in Water, Determination of, by ALLEN HAZEN ... ... ... 229 Cholerestin, Abnormal Appearance of, by J. B. NAUELVOORT ... .I. ... 217 Citric Acid in Lemon-juice, Determination of, by ROWLAND WILLIAMS ... ... 26 Coca Leaves, Estimation of Alkaloids in, by PROF. VAN DER MARCK . , , ... 115 Condensed Milk, by HARALD FABER ... 141 Copper in Gherkins, by WESENER .,, 118 Separation of, from Antimony, by FINKENER ... ... 217 Correspondence 60, SO, 96, 120','140, 159, 180, 220, 240 Correspondents, Notices to ... 60 Cream, New Volumetric Method for the Estimation of Fat in, by CHAS. PARSONS ...181 ,, Werner-Schmid 'Method'bf Deter- mining Fat in, by A. W. STOKES 29 Cyanides, Detection of, by J. S. WELLS and H. T. VULTE ... ... 169 ... ,, ... D Density, by H. DROOP RICHMOND ... 65 DAVONPORT, DR; BENNETT F., on Milk Analysis 209 ,, on Reichert's Butter Dextrin in Genuine IIoney, by C. AMTHOR and J. STERN ... ... 238 ,, in Narcotic Extracts, Estimation of, by PROF. VAN DER MaRCK Dynamical Theory of Albuminoid Am- ... Tes;' ... ... ... 167 116 212,232 monia, by ROBERT B. WARDER E Editor, Letters t o 60, 80, 96, 120, 140, 159,180, 220,240 EGGER, C., on the Estimation of Extract in Wine, by the Indirect Method ... 193 ESTCOURT, CHARLES, on Abnormal Butters from Ireland, Denmark, and Sweden ... 51 F FABER, HARALD, on Condensed Milk and the Estimation of Casein and Lactal- bumen .,.... ... 141 ... PAGE Fat, Eutter, The Iodine Absorption of, by ROWLAND WILLIAMS ... 103 ,, The Quantity of Volatile Acids Present in, by Dr. VIETH . . . . . . . . . 147 . - ...... ,, Extraction from Milk Solids, by H. DROOP RICHMOND ... ... ,, in Milk and Cream, The Werner- Schmid Method of Determining, by A. W. STOKES ... ... in Milk, Skimmed Milk, Bittermilk, and Cream, New Method for the Estimation of, by CHARLES L. PARSONS ... ... Fats, An Improved Meihod for the Analysis of, by DR. MUTER and L. DE KONINGH ... ... ,, in Milk, The Meihods for Determin- Fatty Acids in Butter, Estimation of Solu- ble and Insoluble, by DR. W. JOHNSTONE Ferricyanides, Detection of, by J. S. C. WELLS and H. T. VULTE ... ... Ferrocyanides, Detection of, by J.S. C. WELLS and H. T. VULTE ... ... FILSINGER, F., on the Estimation of Glp- cerin in the Commercial Article ... PINKENER on the Separation of Copper FISCHER on the Analysis of Water for FOERSTER, DR. OTTO, on the Estimation of Nitric Nitrogen by the Kjeldahl Method ... 97 ,, on the Purification of Litmus ... FRAGNER, K., on Imperialin ... ... ,, ing, by DR. VIETH ... ... from Antimony ... ... ... Domestic Purposes ... ... ... ... 21 29 81 61 86 113 169 169 78 217 205 192 193 39 GANTTER, F,, on the Estimation of Tannic Galactose, Quantitative Estimation of, by GLADDING, T. S., on the Examination of Glycerin in the Commercial Article, %ti- GUNNING, J. W., on a Modification of Acid in Oak Bark, with Permanganate 239 E. STEIGER ... ... ... 219 Gherkins, Copper in, by WEBENER ...118 Lard for Adulteration ... ... 32 mation of, by F. FILSINGER ... ... 78 Kjeldahl's Nitrogen Process ... ... 79 H HARVEY, S., on the Action of Iron Pipes HAZES, ALLEN, on the Determination of HAZURA, on a Test for Linoieic Acid in (Busted) on Water conveyed therein ... 34 Chlorine in Water ... ... 229 Commercial Olein ... ... 177 ...iv INDEX. PAGE HEHNIPR, OTTO, on Natural Aperient Bitter Waters ... ... ... 36 Honey, Genuine, Dextrin in, by C. AMTHOR and J. STERN ... 238 Honey, Right-handed &arising,’ by VON LIPPNAN ... ... 20 HONIG, M., on the Va1uation”df Indigo 177 HOOKER, S., on the Determination of Nitrates in Water 19 ,, ,, on a Rapid Method ‘dI! Determining Nitrates in Portable Waters ... 161 r Imperialin, by K. FRAGNER ...... Indigo, Valuation of, by M. HONIG ... Iodides, Detection of, by J. 8. C. WELLS and H. T. VULTE Iron Pipes (Rusted), The Act;& of, dn Water Conveyed therein, by S. HARVEY ISBERT on the Analysis of Sulphate of Soda., . *. . ... ... ITALLIE, L. VaN, on the Composition of Macassa Oil ... 3, ,, on the Estimation of Alkaloids in Extracts 9 , ,, on Zinc Salicylate ... 39 177 169 34 118 115 118 79 J JOHNSTONE, DR. W., on the Estimation of Soluble and In- s o l u b l e F a t t y Acids in Butter ... 113 H. DROOP RICH- MOND ... ... 163 and the Occur- rence of Piperidine therein ... 41 JONES, E. W. T., Notes on Lactose ... 81 9 , ,, Note on a Paper by 9, ,, on Pepper Analysis K Kjeldahl’s Method, Estimation of Nitrogen by,byF. MARTINOTTI 193 Nitric Nitrogen, by Da. OTTO FOERSTER 192 the Total Nitrogen in Water, by H.LEFFMAN and W. BEAM ... ... 168 J. GUNNING ... 79 Y, ,, for the Estimation of Y Y ,, for the Estimation of 3 , ,, Modification of, by W. PAGE KONINCK, I,. L., on Impure Reagents ... 38 9 , ,, on an Improved Method KONINGH, L. DE, on the Assay of Carbolic Acid ... ... 80 for the Analysis of Fats and Oils ... 61 L Lactalbumen, Estimation of, by HARALD E’ABER ... ... ... 141 Lactose, Notes on, by E. W. T. JONES ... 81 Lard, Examination of, for Adulteration, by T. S. GLADDING ... ... 32 ,, Quantitative, Estimaiton of Adul- LAUBE, D., on the Treatment of Uranium LEFFMANN, H., on the Estimation of the Total Nitrogen in Water by the Kjeldahl Process .., ... ... ... 168 Lemon-juice, Determination of Citric Acid in, by ROWLAND WILLIAMS 26 Letters to the Editor ...69, 80, 90, 120, 140, 159, 180,220, 240 Linoleic Acid, Test for, in Commercial Olein, by K. HAZIJRA ... 177 LIPMAN, VON, on Right-haniid Polar- Litmus, Purification of,’ by OTTO FOERS- LONG, J. H., on the Densities and Refrac- Low, W. F., on Colouring Matter (Arseni- LUNGE, G., on the Estimation of Sulphur in Pyrites ... ... 201 ,, on the Purification oL Sul- phuric Acid for Kjeldahl’s Process ... ... 19 ... terants in, by H. W. WILEY ... 73 Residues ... ... ... 239 Law Notes ... 39, 59,1?9, 139, 178, 220 iaing Honey ... 20 TER ... ... ... ... 194 tive Indices of Certain Oils ... 170, 190 cal) used in Colouring Candles ... 83 Macassa Oil, Composition of, by L. VAN MARCK, PROF,, on the Estimation of Alka- loids in Coca Leaves ...on the Estimation of Dex- trin in Narcotic Ex- tracts ... 116 MARTINOTTI, F., on the Estimation of Nitrogen by the Kjeldahl Method ... 193 MAYER, A., on the Influence of Different Cattle Foods on the Composition of Butter ... ... ... 20 121, 161, 221 ... ITALLIE ... ... ... 115 115 97 ... Meetings, Reports of ... 1, 21, 41, 61, Si, 101,INDEX. V PAGE Mercury, Quanbitative Estimation of, by Milk Analysis, by Dr. BENNETT I!. W. FEIT ... ... ... ... 178 DAVENPORT . . , ... .., 209 .. Condensed, by HARALD FABEE ... 141 ,, Composition of, by DR. VIETH ... 66 ,, Methods for Determining Fat in, by DR. VIETH ... 86 ,, New Volumetric Methda for t h i Estimation of Fat ia, by CHARLES L. PARSONS ... ... ... 181 , , Products,The Composition of, by DR. VIETH ...... ... 66 ,, Samples, Preservation of, by H. DROOP RICHMOND ... 2 ,* Solids, Pat Extraction from, by H: DROOP RICHMOND ... 121 ,, Werner-Xchmid Method’gf Deter- mining Fat. in, by A. W. STOKES 29 MUTER, DR., on an Improved Method for the Analysis 01 Fats and Oils ... 61 NAGELVOORT, J., on the Abnormal Appear- ance of Cholerestin ... ¶ * on the Estimation of Cantharidin ... Narcotic Extracts, Estimation of Dextrin Nitrates in Portable Waters, A Rapid Method of Determining, by SAMUEL C. HOOKER ... ,, Water, Determination of, by SAMUEL C. HOOKER Nitrogen, Estimation of, by Kjeldahl’s Process, by OTTO FOERSTER ,, Estimation of, by Kjeldahl’s Process, by F. MARTINOTTI ,, Process, Kjeldahl’s, Modifica- tion of, by J. W. GUNNING *, On Sources of Error in Deter- mination of, by Means of Soda-lime, and Means of Avoiding them, by W.0. ATWATER ... 17, 57, 76, 90, in Water, Estimation of, by the Kjeldahl Process, by H. LEFFMANN and W. BEAM ... in, by PROF. VAN DER MARCK ... ,, 21 7 194 116 161 19 192 193 79 157 168 Oak Bark, Estimation of Tannic Acid in, 239 Oil, Olive, Analysis of, by RIOUL BRULLE 218 Some Results of Analyses of, by LEONARD ARCHBUTT .,. 210 with Permanganate, by P, GANTTER ... ,* PAGIS Oils, The Densities and Refractive Indices of Certain, by J. H. LONG ,, An Improved Method for the Analysis of, by DR. MUTER and I;. DE KONINGH ... *.. ... 61 ,, Soap-thickened, Determination of the Melting Points of, by W. F. K. STOKES ... ... ... 2 Olein, Commercial, Test for Linoleic Acid Olive Oil, Analysis of, ‘ i y RIOUL BRULLE 218 Some Results of the Analyses of, by LEONARD ARCHBUTT ..210 170, 190 in, by HAZURA ... ... 177 ,, PARSONS, CHARLES L., on a New Volu- metric Method of Estimation of Fat in Milk, Skimed Milk, Buttermilk, and Cream ... ... 181 Pepper Adultgiant, A New, by F. WALLIS STODDART ... ... ... 37 ,, Adulteration, by F. WALLIS STOD- DART ... ... ... 139 ,, Analysis and the Occurrence of Piperidine therein, by DR. JOHN- STONE ... ... ... 41 Permanganate, Standardising, by R. JAHODE ... ... ... ... 80 Phenacetin, Test for Antifebrin in, by M. J. SCHRODER ... .I. ... 78 Piperidine in Pepper, by DR. JOHNSTONE 41 President’s Address ... ... ... 21 PREUSSER, J., on a Substitute for the Chloride of Calcium Tube in Elemen- tary Analysis ... ... ... 177 Prize Offered for a Process of Butter Analysis ...... ... ... 200 Proceedings of the Society of Public 1, 21, 41, 61, 81, 101, 121, Pyrites, Estimation of Sulphur in, by G. Analysts ... 141, 161, 221 LUNGE ... ... ... ... 201 Quinine Sulphate, The Purity of, by J, E. DE VRY ... ... ... ... 194 Reagents, Impure, by L. L. DE KONINCK Reichert’s Butter Test, by DR. BENNETT 38 F. DAVENPORT ... ... 167 ...vi INDEX- PAGE Resorcin, Test to Distinguish, from Carbolic or Salicylic Acids, by H. BODDE ... 115 Reports of Meetings ... 1, 21, 41, 61, 81, 101, 121, 161, 221 REVIEWS :- CheMical Analysis of Iron, by ANDREW ALEXANDER BLAIR ... 195 Coloured Analytical Tables, by H. WILSON HAKE ... ... .., 219 Commercial Organic Analysis, by ALFRED H ALLEN ... ... 200 Examination .of Water for Sanitary and Technical Purposes, by HENRY LEFFMANN and WILLIAM BEAM ...197 Treatise on Manures ; or, The Philo- sophy of Manuring, by A. E. GRIFFITHS ... ... ... 196 RICHMOND, H. DROOP, on an Apparatus for Butter Ana- ly sis ... 112 Y, 9, on Density ... 66 9 , 99 on Bat Extrac- Y 7 Y9 Note on a Paper 9, $ 9 on the Preserva- tion from Milk Solids ... 121 by Dr. John- stone ... 153 tion of Milk Samples ... 2 S Saccharomy cetes, The Discrimination of the Various Species of, by DR. WALTER J. SYKES ... ... ... ... 132 Schmid-Werner Method of Determining Fat in Milk and Cream, by A. W. STOKES 29 SCHREIB, H , on the Estimation of Starch SCHRODER, M. J., on a Test for Antifebrin in Phenacetin ... ... ... 78 Soap-thickened Oils, Determination of Melting Points of, by W. F.K. STOKES 2 Soap Solution, Some Experiments with, by DR. E. WALLER ... ... ... 108 Society of Public Analysts, Proceedings of 1, 21, 41, 61, 81, 101, 121, 141, 161, 221 Soda-lime, On Sources of Error in the Determination of Nitrogen by, and the Means of Avoiding them, by W. 0. ATWATER ... 17, 57, 76, 90, 157 Soda Sulphate, Analysis of, by ISBERT and VENATOR ... ... ... 118 SPILSBURY, J., on the Estimation of Ex- tractive and Specific Gravities of Official Tinctures ... ... ... ... 208 Starch, The Estimation of, by PROF. ALEX. VON ASBOTH ... 138, 157 The Estimation of, for Technical Purposes, by H. SCHREIB ... 38 STERN, J., on Dextrin in Genuine Honey 238 STODDART, F. WALLIS, on a New Pepper Adulterant ... 37 teration .,. 139 for Technical Purposes ... ... 38 ,, 79 ,, on Pepper Adul- PAGE STOCK, W.F. K., on the Determination of Melting Points of Soap- thickened Oils ... 2 9 , ,, on the Westphal Balance 50 STOKES, A. W., on the Werner-Schmid Method of Determining Fat in Milkand Cream ... 20 Sulphides, Detection of.’by J. S:C. WELLS and H. T. VULTE ... ... ... 169 Sulphur in Pyrites, Estimation of, by G. LUNGE ... ... ... ... 201 Sulphuric Acid, Purification of, for Kjel- dahl’s Process, by GF. LUNGE ... 19 ... T Tannic Acid in Oak Bark, Estimation of, with Permanaanate, by F. GANTTER ... 239 Thallium, Quantitative Estimation of, by W. FEIT ... ... ... ... 178 Tino tures, Official, Estimation of Extract- ive and Specific Gravities of, by J. SPILSBURY.. , ... ... . . a Uranium Besidues, Treatment of, by D. LAUBE ... , .I. ..* ... V VENATOR on the Analysis of Sulphate of Soda ... ... ... ... VTETH, DR , on the Compositicn of Milk and Milk Products ... ,, on Methods for Determining Fat in Milk ,, on the Quantity ‘df Volatiie Acids Present in Butter Fat ... ... ... VOIGT on the Volumetric Estimation of VULTE, H. T., on a Scheme for the Separa- tion and Detection of Al, Cr, Fe, Go, Ni, Mn, Zn, Ba, Ca, Sr, Mg, in the Presence of Phosphoric, Arsenic, Oxalic, Boric, Salicylic, Hydrofluoric, Acetic, Tartaric Acids and Organic Matter ... on a Scheme for Separating and Detecting Sulphides, Cyanides, Ferrocyanides, Ferricyanides, Chlorides, Bromides, and Iodides in the Presence of Each Other ... ... Zinc I.. ... ... ,, 208 239 118 66 86 147 176 188 169INDEX. vii PAGE W WALLER, DR.E., on SomeExperiments with the Soap Solution .. . . . . . . . . . . 108 WARDER, ROBERT B., on the Dynamical Theory of Albuminoid Ammonia 212,232 Water, The Action of Iron Pipes (Rusted) upon, by S. HARVEY . . . . . . 34 Determination of Chlorine in, by ALLEN HAZEN . . . . . . 229 Determination of N&&es in, by S. C. HOOKER.. . . . . . . . . . 19 for Domestic Purposes, Analysis of, by FERD. FISOHER . . . . . . 205 Waters, Natural Aperient Bitter, by OTTO HEHNER ... ... 36 ,, Portable, A Rapid Meihod of Determining Nitrates in, by S. E. HOOKER . . . . . . . . . . . . 161 WELLS, J. S. C., on a Scheme for the Separation and Detec- tion of 81, Cr, Fe, Co, Ni, Mn, Zn, Ba, Ca, Sr, Mg, in the Presence of Phos- phoric, Arsenic, Oxalic, Boric, Salicylic, Hydro- fluoric, Acetic, Tartaric Acids and Organic Matter .. . . . . . . . 188 ,, ,, ,, PAGE WELLS, J. S. C., on a Scheme for Separating and Detecting Sul- phides, Cyanides, Fer- rocyanides, Ferricya- nides, Chlorides, Bro- mides, and Iodides in the Presence of Each Other . . . . . . . . . Werner-Schmid Method of Determining Fat in Milk and Cream, by A. W. STOKES . . . . . . . . . . . . . . . WESENER on Copper in Gherkins . . . . . . WILEY, W. H., on the Quantitative Estima- . . . . . . WILLIAMS, ROWLAND, on the Determina- of Citric Acid in Lemon-juice ... sorption of But- ter Fat . . . . . . Wine Extract, Estimation of, by the In- direct Method, by E. EGGER . . . . . . ,, The Occurrence of Boric Acyd in, by G. BAUMERT . . , Westphal Balance, by W. F. K. STOCK ... tion of Adulterants in Lard ,I ,, on the lodine Ab- -- Z Zinc Salicylate, by L.VAN ITALLIE . . , ,, Volumetric Estimation of, by A. VOIGT . . . . . . . . . . . . . . . 16 9 29 118 50 73 25 103 193 20 79 176 Printed by HAZELL, WATSON, & VINEY, LD., London and Aylesbury.INDEX. vii PAGE W WALLER, DR.E., on SomeExperiments with the Soap Solution . . . . . . . . . . . . 108 WARDER, ROBERT B., on the Dynamical Theory of Albuminoid Ammonia 212,232 Water, The Action of Iron Pipes (Rusted) upon, by S. HARVEY . . . . . . 34 Determination of Chlorine in, by ALLEN HAZEN . . . . . . 229 Determination of N&&es in, by S. C. HOOKER.. . . . . . . . . . 19 for Domestic Purposes, Analysis of, by FERD. FISOHER . . . . . . 205 Waters, Natural Aperient Bitter, by OTTO HEHNER ... ... 36 ,, Portable, A Rapid Meihod of Determining Nitrates in, by S. E. HOOKER . . . . . . . . . . . . 161 WELLS, J. S. C., on a Scheme for the Separation and Detec- tion of 81, Cr, Fe, Co, Ni, Mn, Zn, Ba, Ca, Sr, Mg, in the Presence of Phos- phoric, Arsenic, Oxalic, Boric, Salicylic, Hydro- fluoric, Acetic, Tartaric Acids and Organic Matter . . . . . . . . . 188 ,, ,, ,, PAGE WELLS, J. S. C., on a Scheme for Separating and Detecting Sul- phides, Cyanides, Fer- rocyanides, Ferricya- nides, Chlorides, Bro- mides, and Iodides in the Presence of Each Other . . . . . . . . . Werner-Schmid Method of Determining Fat in Milk and Cream, by A. W. STOKES . . . . . . . . . . . . . . . WESENER on Copper in Gherkins . . . . . . WILEY, W. H., on the Quantitative Estima- . . . . . . WILLIAMS, ROWLAND, on the Determina- of Citric Acid in Lemon-juice ... sorption of But- ter Fat . . . . . . Wine Extract, Estimation of, by the In- direct Method, by E. EGGER . . . . . . ,, The Occurrence of Boric Acyd in, by G. BAUMERT . . , Westphal Balance, by W. F. K. STOCK ... tion of Adulterants in Lard ,I ,, on the lodine Ab- -- Z Zinc Salicylate, by L. VAN ITALLIE . . , ,, Volumetric Estimation of, by A. VOIGT . . . . . . . . . . . . . . . 16 9 29 118 50 73 25 103 193 20 79 176 Printed by HAZELL, WATSON, & VINEY, LD., London and Aylesbury.

ISSN:0003-2654    

DOI:10.1039/AN88914BA001

出版商:RSC    

年代:1889

数据来源: RSC