118 EXPERIMENT STATION RECORD. 



Note on the tests for distinguishing boiled from unboiled milk, A. Leffmann 

 (Analyst, 23 (1S9S), No. 265, p. 85). — When a solution of diamidobenzin is added to 

 unboiled milk, with a few drops of hydrogen dioxid, a deep blue color appears. This 

 property is lost if the milk is heated to 180° F. 



On the determination of the amount of butter contained in margarin, A. 

 MttNTZ and II. COUDON (Ann. Sci. Agron., 1897, II, No. 2, pp. 281-294). 



The testing of margarin, butter, and cheese (Ztschr. Angew. Chem., 1897, No. 24, 

 pp. 700-792). 



Butter and fat analysis, A voisr Asboth (Rev. Internat. Falsi/., 11 (1898), No. l,p. 

 15; abfi. in Ztschr. Angew. Chem., 1898, No. 14, p. 325). 



The determination of butter and the preservation of milk samples for analy- 

 sis, Delue (Rev. Internat. Falsi/., 11 (1898), No. 1, p. 27; abs.in Ztschr. Angeiv. Chem., 

 1898, No. 14, p. 324). 



Analysis of butter, F. Jean (2. Congres Internat. Chim. Appl., 1896, IY,pp. 239-249). 



Observations on the analyses of samples of butter fat and other fats, E. 

 Spaeth (Ztschr. Untersuch. Nahr. u. Genussmtl., 1898, No. 6, pp. 377-384). 



Analysis of lard and detection of vegetable oils in lard and in mixtures of 

 lard and suet, J. Jean (2. Congres Internat. Chim. Appl., 1896, II, pp. 401-426). 



Contributions to fat analysis, W. FAHRION (Ztschr. Angeiv. Chem., 1898, No. 12, 

 pp. 267-273). 



On O. Polimanti's method of estimating fat, J. Nerking (Arch. Physiol. \_Pfiii- 

 ger~\, 71, No. 7-8, pp. 427-430). — This is a controversial article. 



Qualitative and quantitative determinations of peanut oil in olive oil and 

 other oils used for food, J. Bellier (2. Congres Internat. Chim. Appl., 1896, IF, pp. 

 311-319). 



New reactions for detecting cotton-seed oil in mixtures, G. Morpurgo (Ztschr. 

 Nahr. Untersuch. v. Hyg., 12 (1898), No. 7, p. 119). — Tests proposed by Cavalli, and by 

 Tortelli, and Ruggeri are described. 



On the partial saponification of oils and fats, R. Henriques (Ztschr. Angew. 

 Chem., 1898, No. 15, pp. 238-245, fig. 1). 



On the determination of carbon monoxid diluted with large quantities of air, 

 A. Gautier (Compt. Rend. Acad. Sci. Paris, 126 (1898), No. 11, pp. 793-795). 



The action of certain reagents on carbon monoxid -with a view to its deter- 

 mination in the air of towns, A. Gautier (Compt. Rend. Acad. Sci. Paris, 126 (1898), 

 No. 12, pp. 871-875). 



Preliminary study of a method of determining small amounts of carbon 

 monoxid in the air, A. Gautier ( Compt. Rend. Acad. Set. Paris, 126 (189S), No. 13, pp. 

 931-937). 



On the determination of small quantities of carbon monoxid in the air and 

 in normal blood, L. de Saint-Martin (Compt. Rend. Acad. Sci. Paris, 126 (1S9S), No. 

 14, pp, 1036-1039). 



A colorimetric method of determining silicic acid in water, A. Jolles and F. 

 Nkurath (Ztschr. Angew. Chem., 1S9S, No. 14, pp. 315, 316). 



Rare ash constituents of the residual liquor from sugar manufacture, E. O. 

 VON Lippmann (Her. Dent. Chem. Gesell., 30 (1897), No. 19, pp. 3037-3039).— -The 

 author records finding in appreciable quantities lithium, titanium, manganese, and 

 strontium. — J. p. street. 



G-asometric apparatus, O Bleier (Bet: Dent. Chem. Gesell., 31 (1898), No. 3, pp.236- 

 239, figs. 2). 



Reflux condensers, J. J. Sudborough and M. E. Feilmann (Jour. Soc. Chem. hid., 

 16 (1897), No. 12, pp. 979, 9S0, figs. 3). — Description of a condenser for use in boiling 

 ethereal and alcoholic solutions. — j. p. street. 



A new hydrostatic balance, B. W. Gerland (Jour. Soc. Chem. Ind., 17 (1898), 

 No. l,p. 13). 



A constant temperature device, H. P. Cady (Jour. Phys. Chem., 2, No. 4, pp. 242- 

 244, fig. 1). — A constant temperature water bath. 



