IKCLUDING THE PROCEEDINGS OFTHE “SOCIETY OF PUBLIC ANALYSTS.”I;(/itc;/ , (;. VJ. \\~lGST.K,A Monthly Journal for the information of those interested i n the purity of Foodand Drugs, and in general Analytical and Microscopical Research.[PRICE Gil, 01’ I P S i c b s r r i b r ~ ~ ji. p t , OCTOBER, 1879. r I l l l l l ‘ l I I . P O J t f i r c t . 1 nnil [”’ 43*! hy 1. >lC.rJ<R.lomc ACID TEST Fon h I o r t ~ ~ r . 4 . . By J. C. fjell, F.C.S. 181ON THE RELATION BETWEEN Dr. KOETTSTORFER’SI’ROCEES OF UUTTEII ASSAY. ASD THE OLD PRO-CESSES. Gy 0. W. Vigncr, F.C.S. .............. 182ON THE: IthTIO olr ExPAssrOS BY IiEAT OF BUTTER FAT,&c. By 0. W. Wigiicr, P.C.S.. ................... 183EOTES 0s PETnOLEUN SI’IKIT 011 “ XZXZOLINE.” Ej’ 8.H. Allen, F.C.S................................. 135KOTR ON THE SPECIFIC GILiVl’rY OF LIQUIDS. By L.Siebold, F.C.S. ................................ 189THE APPI.ICATION OF CII~OXOFCIXI is TIIE TLCTISGOF DRUGS. By L. Siebold, F.C.S.. ............... I90ON THE VALUATION OF C1TnA-m OF IROX AND Qumiiis.ASALYST’S REPORT ................................ 193LAW EEPORTS ...................................... 194NOTES OF TRE MONTH ............................. ptjCHEMICAL PATENTS ................................ -00UOOLS RECEIVED .................................. BOOBy P. W. Flctchcr, F.C.S. ........................ 191Pure COMPLETEChemicals. SETS OFQUALITATIVE,QUA N T I TA T l V E ,VO LUiM E TRI C,AND ASSAYA PPA RA TUS._.F I N EST BE I! L I N ScientificPORC ELA i N .Apparatus.-EO ti EM I A NGLASS.-PLA TTN E R’SBLOWPIPE.--EGCERIZCA RJO.’J.--A N DTHOM PS2M‘SFUEL TLSTA PPX RA TUS.16 GRADUATEDINSTRUMENTS.-tIOFMA N N’SX PPARATUS.-ALSOELECTRICAL,G.4 L ‘JA h’lC,P !i E L‘M A TICk PPARk TUS,ec., Rc.A. H. ALLEN, F.C.S.A. D U P R ~ , PH.D., F.R.S., F.C.S.C. HEISCH, F.C.S.TYHQL’.: X‘i 1,:s: hN D EX1’0 L:T.Makers of Apparetus to the Laboratories of tl:e Inland Revenue, Royal Arsenal, Royal MilitaryAcademy, Science Schools, India Offlce, South Kensington, Bco.Catalogues and Estimates sent on application, cizclosing L’iirincss Card foi. Terms, &e.J. IfuTan, PILD., M.A., F.C.S.G. W. WIGNER, F.C.S.A. WYNTER BLYTH, M.R.C.S.C. A. CAMERON, M.D.OTTO HEHNER, F.C.S.E.’CV. T. JOHES, F.C.S.J. FALCONER KING, F.C.S.C. H. PIESSE, Y.C.STHE ANALYST.WORKS BY DR. MUTER, M.A., F.C.S.,President of the Society of Public Analysts ; Public Analyst for Lambeth, Southwark,Bermondsey, Rotherhithe, NBwington, and Wandsworth.Now ready, demy 8v0, with copious Tables, price 7s. 6d.A N INTRODUCTION TO ANALYTICAL CHEMISTRY. For Medicaland Pharmaceutical Students.Now ready, royal avo, Second Edition, cloth, with Analytical Tables and copious Index, price 10s. 6d.A N INTRODUCTION TO PHARMACEUTICAL AND MEDICALCHEMISTY, Theoreti03 and Practical.The book is one of a very useful and original kind, and is brought up, to the latest date, tests and‘‘ Amongst the best chemical treatises of the day, and in many respects superior to any that have yetprooesses published only a few months since being described in their proper places.”-Chemical News.been published.”-Pztbl ic Hca I t h.Third Edition, 600 pp., 8vo. Price 12s. Gd. A KEY TO ORGANIC MATERIA MEDICA.nctive principles of drugs.drugs. Copious index and qualitative courses or resins, &c.Analytical Chemists willfind this a concise and yet complete book of reference for the isolation and examination of theSpecial appendix on the microscopic charactcrs of the starches in food andLONDON : BAILLI~RE, TINDALL & Cox, 20, King William Street, Strand, and nil Booksellers.By A, WYNTER BLYTH, M.R.C.S., F,C,S,, Public Analyst for the County of Devon.NOW READY, crown 8v0, cloth, 12s.6d.PRACTICAL CHEMISTRY (A Manna1 of).DETECTIOW OF PoIsoNs-Organic or Inorganic. With Tables and Diagmms.Analyst.”-Lancet.PART I : ANALYSIS OF FOODS-Flour, Bread, Milk, Butter, Cheese; Tea, Coffee, Cocoa; Alcoholic Liquids; Condiments. P&T II :I‘ Will be used by every‘‘ Stands unrivalled for completeness of information.”-Sanitary Record.LONDON : CHARLES GRIFFIX & Co., Stationers’ Hall Court.By G, W, WIGNER, F.U.S,, one of the Honorary Beoretaries of the Society of Public Analysts;Public Analyst for Greenwich, Plumatead, and Woolwioh DiBtriota,Price, ONE SHILLINQ.SEASIDE WATER. An Examination into the character of the Water Supply atthe Watering Places of England and Wales, being an abstract of a Series of Reports prepared forand published in the Sanitary Record during 1877-78, with Three Comprehensive Tables, giving Analysesof the Drinking Water nt all the Sea-Coast Towns.KENT & Co., Paternoster Row, London ; and at all Railway Bookstalls.E.C E T T X aZ; CO.-aMANUFACTURERS OF BAROMETERS, THERMOMXTERS, CHEMICAL ANDPHILOSOPHICAL APPARATUS OF EVERY DESCRIPTION.Dr. Franklin’s Apparatus for Analysis of Water. Dr. McLeod‘s Modification for Water and Gas.Professor Bischof’s Apparatus for Evaporation of Water. Dr. Sprengel’s Mercurial Air Pumps of everyDrs. Russell and West’s Apparatus for Estimating Urea in Urine. Dr. Blackley’s Apparatus for Ditto.11 and 31, Brooke Street, Holborn, London, Wholesale and for Exportation, and Rose CottageGlass Works, Pratt Street, Lambeth.form. Water Pumps for quick filtration. Dr. Mill’s Colorimeter.REGISTERED ENAMEL BACK URINE SEDIMENT TEST TUBES.THE ANALYST, Vols. I. & III,-(Vol. 11. out of Print.)INCLUDING tlie Proceedings of tlie Society of Public Analysts, and embracing a,large number of Original Papers on every branch of Chemical Analysis, with a comprehensiveIndex of Subjects and Names.Edited (under the direction of the Committee of Publication) by G. W. WIONER, F.C.S., andJ. MUTER, Ph.D., F.C.S.Published by BAILLI~RE, TINDALL & Cox, King William Street, Strmd, W.C.Price, bound in cloth, 7s. ; in half-calf, 9s