34 TECHNICAL DEUG STUDIES. 



ARSENIC IN GLYCERIN. 



BARTHE, L. Sur la presence de 1' arsenic dans la glycerine officinale. J. pharm. 



chim., 1902 (6), 16: 52. 

 BOUGAULT, J. De 1'arsenic dans la glycerine (note). J. pharm. chim., 1902 (6), 15: 



527. 

 GALIMARD, J., and VERDIER, E. Note sur la presence de I'arsenic dans les glycerines 



"dites pures." J. pharm. chim., 1906 (6), 23: 183. 

 Presence of arsenic in so-called "pure" glycerol (abstract). J. Soc. Chem. 



Ind., 1906, 25 (1): 233. 

 JAFFE, B. Ueber die Vorschriften der neuen Pharmacopoe III fur Glycerin. Chem. 



Ztg., 1890, 14 (2): 1493. 



Glycerin Inefficiency of the test of the Phar. Germ, for arsenic (abstract)^ 

 Proc., Amer. Pharm. Assn., 1891, 39: 570. 



LANGMUIR, A. C. The determination of arsenic in glycerin. J. Amer. Chem. Soc., 



1899, 21: 133; Analyst, 1899, 24: 131. 

 Estimation of arsenic in glycerol. J. Chem. Soc. (Lond.) Abst., 1899, 76 (2): 



519. 

 LEWKOWITSCH, J. I. Arsenical glycerin (abstract). Proc., Amer. Pharm. Assn., 



1893,41:919. 

 ' Glycerin Conditions necessary to secure purity in its manufacture (abstract). 



Proc., Amer. Pharm. Assn., 1891, 39: 569. 

 Qualitative tests. (In his Chemical technology and analysis of oils, fats, and 



waxes, 1898, p. 787.) 

 PATCH, E. L. Arsenic in glycerin. Merck's Report, 1896, 5: 403. 



Glycerin Contamination with arsenic (abstract). Proc., Amer. Pharm. 

 Assn., 1897, 45:671. 



VERDIER, E. See Galimard, J. 



IMPURITIES (OTHER THAN ARSENIC). 



BERGH, G. F. Ueber die im Glyzerin vorkommenden organischen verunreinigungen, 



Apoth.-Ztg., 1907, 22: 741. 

 COMANDUCCI, Ezio. Uber eine neue Reaktion der Ameisensaure. Zts. anal. Chem., 



1906,45:535. 



DOWZARD, E. Iron in glycerin. Chemist and Druggist, 1903, 63: 1061. 

 Glycerin Detection of iron (abstract). Proc., Amer. Pharm. Assn., 1904, 



52:901. 

 FERRIER, C. Bestimmung der Alkalisulfide (Natriumsulnd), Hyposulfite und Sulfate 



im Glycerin der Seifenfabriken. Chem. Ztg., 1892, 16 (2): 1840. 

 HAUSSMANN, F. W. Iron in commercial glycerin. Amer. J. Pharm., 1895, 67: 84. 

 HERZ, W., and KNOCH, M. Loslichkeit von Calciuinhydroxyd in Glyzerin- Wasser- 



gemengen. Zts. anorg. Chem., 1905, 46: 193. 

 KAHN, S. K. Detection of small quantities of copper and iron in glycerin. Amer. 



J. Pharm., 1906, 78: 490. 

 KNOCH, M. See Herz, W. 



LA WALL, C. H., and PURSEL, R. C. Glycerin. Amer. J. Pharm., 1900, 72: 377. 

 LEWKOWITSCH, J. I. Qualitative tests. (In his Chemical technology and analysis 



of oils, fats, and waxes, 1898, p. 787.) 

 SCHMTTT, E. Nitrogenous impurities in glycerol and fats. J. Chem. Soc. (Lond.) 



Abst., 1905, 88 (2):769. 



TEGARDEN. La glycerine et ses impuret^s. J. pharm. chim., 1895 (6), 2:156. 

 U, S. DISPENSATORY (Wood and Bache), Impurities and tests. 1907, p. 588. 



