CHEMISTRY. 105 



Theories and applications of chemistry, Bertiielot {Rev. Scient., scr. 4, 6{1S96), 

 No. 5, pp. 129-133). 



Combination of argon with water, P. Villard (Compt. Rend., 123 (1S96), No. 7, 

 pp. 377-379). 



Deposition of aluminum from aqueous solutions, H. N. Warren (Chem. News, 

 73 (JS96),p. 122). 



Note on the proportion of pure hydrofluoric acid, A. H. Allen (Analyst, 21 

 (lS9€),p.S7). 



The nature of an oxidizing substance produced by distilling aqueous solu- 

 tions of potassium permanganate and sulphuric acid in vacuo, C C. Frye {Chem. 

 News, 73 {1S96), p. 12i). — The author concludes that the oxidizing agent produced is 

 ozone. — B. w. kilgore. 



Study of commercial saccharin by means of the calorimetric bomb, H. Lang- 

 BEiN {Zischr. anrjew. Chem., 1896, No. 16, pp. 486-494, figs. 4). 



The chemical composition of the oil of sassafras bark and leaves, F. B. Power 

 and C. Kleber {Pharm. Rev., U {1896), p. 101; abs. in Chem. ZUj., 20 {1896), No. 50, 

 p. 173). 



Rapid determination of carbonic acid in the air and in confined mediums, Hen- 

 RIET {Compt. Rend., 133 {1896), No. 2, pp. 125-127).— The carhonic acid is absorbed by 

 potash which is titrated with sulphuric acid, using phenolpthaleiu as an indicator. 

 The red color disappears when oue-hall' of the CO.. present has united with the 

 undecomposed carbonate present to form bicarbonate. 



Official methods for the analysis of fertilizers issued by the German Manure 

 Manufacturers' Association, Harzburg, May 28, 1895, H. H. B. Shepherd 

 {Analyst, 21 {1896), April, pp. 99-101; May, pp. 128-132; June, pp. 151-156; and July, 

 pp. 186-191). 



On the method for the quantitative determination of copper in plants, V. 

 Yedkodi {Chem. Ztg., 20 {1896), No. 59, pp. 584, ,585). 



Table for obtaining Vv'eight of phosphoric acid from magnesium pyrophos- 

 phate, P. Goetsciike {Zischr. analyt. Chem., 35 {1896), No. 2). 



Optical determination of sulphuric acid, Aglot {Bui. Soc. Chim. Paris, 15-16 

 {1896), No. 13, pp. 855-86?). 



The quantitative estim.ation of tin, C. J. Brooks {Chem. News, 73 {1896), p. 218). 



A chemical study of the glycogen in fungi and yeasts, G. Clautriau {Mem. 

 Roy. Acad. Belgique, 1895, pp. 99; abs. in Centbl. Bait, und Par. Allg., 2 {1896), No. 13, 

 pp. 429-434). 



On the micro-chemical determination of nitrates in plants, W. Ellram {Sit- 

 tiingsber. natiirf. Ges. Univ. Dorpat, 9 {1895), No. 1, pp. 105-116; abs. in Bot. Centbl., 

 67 {1896), No. 3, p. 74). 



The determination of organic matter in w^ater by means of permanganate of 

 potash, SCOUPEVSKY {Abs. in Bui. Soc. Chim. Paris, 15-16 {1896), No. 13, pp. 1210, 

 1211). 



The determination of dry matter in w^ater and the examination of drinking 

 •water on a large scale, O. Erkuhakd {Chem. Ztg., 20 {1896), No. 49, p. 480). 



Polarimetric determination of lactose in human milk, P. Thiuault {Jour. 

 Pharm. Chim., scr. 6, 16{1896),p. 5; abs. in Chem. Ztg. ,20 {1896), No. 60, Repert.,p. 192). 



Note on the titration of quinin, A. H. Alli.n {Analyst, 21 {1896), p. 84).— The 

 method is based on the neutrality of the sparingly soluble quinin sulphate (two 

 molecules of the base to one of sulphuric acid) to cochineal, Brazil wood, and logwood, 

 and the neutrality of the readily soluble acid sulphate (one molecule of the base to 

 one of sulphuric acid) to methyl-orauge.— B. w. kilgore. 



Reviev/ of progress in work on wines and food material.?, E. Eist {Chem. Ztg., 

 20 {1896), No. 46, pp. 448-455). — A review of recent work on wines, fruit juices, flour 

 and bread, water, meat and meat i)roducts, coffee, tea, and cocoa. 



Chemical work in Canadian agriculture, F. T. Shutt {Reprinted from Ottawa 

 Naturalist, 10 {1896), No. 2, pp. 29-4.3) .—This i.s ar^sumd of the work of the chemical 



