478 
SODII NITRIS. 
The Pli. Brit. Committee of Reference in Pharmacy would give a 
volumetric permanganate test, instead of the gasometric one, for sodii 
nitris. — Chem. & Drug., Loud., 1906, v. 69, p. 865. 
Smith, F. A. Ushur, points out that the U. S. P. VIII omits to 
state in connection with sodium nitrite that similar precautions 
should be observed to those given under sodium bisulphite, to hinder 
oxidation to nitrate. — Pharm. J., Bond., 1906, v. 22, p. 85. 
Surveyor, N. F., presents a study of the influence of nitrite of 
sodium on animal metabolism. — Biochem. J., Liverpool, 1906, v. 1, 
pp. 347-354. 
SODII PHENOLSULPHONAS. 
Patch, E. L., reports on a sample of sodium sulphocarbolate which 
was found to be decidedly pinkish instead of white. — Proc. Am. 
Pharm. Ass., 1906, v. 54, p. 346. 
Landus, J. R., (Med. Rec., N. Y., June 2) prefers the sulphocarbo- 
late as an intestinal disinfectant in typhoid fever. — J. Am. M. Ass., 
1906, v. 46, p. 1885. 
SODII PHOSPHAS. 
Ahlum, C. Chester, points out the close similarit}^ of the reactions 
of disodium hydrogen phosphate and trisodium hydrogen phosphate 
and outlines methods for their determination. — J. Am. Chem. Soc., 
1906, v. 28, pp. 533-537. 
Ehman, J. W., reports that C. C. Shomo examined nine samples of 
sodium phosphate, of which one gave test for iron, five slight, and one 
decided, tests for arsenic, eight gave test for calcium, and six for 
chlorides. All contained traces of sulphates, none contained the full 
amount of water of crystallization. — Am. J. Pharm., Phila., 1906, 
v. 78, p. 416. 
Smith, Kline & French Co. report that many samples of sodium 
phosphate contained considerable quantities of arsenic. They also 
detected tin, iron, aluminum, and silica in the commercial article. — 
Lab. Rep., S., K. & F., 1906, p. 20. 
Kebler, Lyman F., reports sodium phosphate “ C. P.” as containing 
dirt and an excess of arsenic. — Proc. Am. Pharm. Ass., 1906, v. 54, 
p. 349. 
Baird, J. W., reports 32 samples examined in 1904, 1 adulterated. — 
Proc. Massachusetts Pharm. Ass., 1906, p. 59. 
Caspari, Charles E., reports 7 samples examined — 3 U. S. P. ; 3 4 
contained arsenic, and 1 calcium and metallic impurities. — Proc. 
Missouri Pharm. Ass., 1906, p. 99. 
Dunning, H. A. B., thinks the formula for effervescent sodium 
phosphate does not contain sufficient citric acid, and that the mixture 
