INORGANIC SALTS AND THEIR PREPARATIONS 17 



Action: Cathartic. 



Dose: 16 Gm. (240 gr.). 



Preparations: Infusum Sennag Compositum, U.S. P. 



Liquor Magnesii Sulphatis Effervescens, N.F. 

 Magnesii Sulphas Effervescens. Effervescent Magnesium Sulphate, U.S.P. VIII. 



This unofficial article is a reliable cathartic and an agreeable method of 



administrating Epsom salt. The dose is the same as that of Magnesii 



Sulphas. 



THE OFFICIAL U.S.P. AND N.F. STRONTIUM SALTS 



STRONTII BROMIDUM. Strontium Bromide, SrBr 2 + 6H 2 O. Colorless, trans- 

 parent, hexagonal crystals; odorless and having a bitter, saline taste; 

 deliquescent soluble in water or alcohol, insoluble in ether. 

 Action: Hypnotic. 

 Dose: i Gm. (15 gr.). 



*Strontii Carbonas. Strontium Carbonate, (SrCO 3 + H 2 O n ). White powder, 

 odorless and tasteless, insoluble in water, soluble in dilute hydrochloric, 

 nitric, or acetic acid, but not sulphuric. 

 Seldom used in medicine. 



STRONTII IODIDUM. Strontium Iodide, SrI 2 + 6H 2 O. Colorless, transparent, 

 hexagonal plates, or white granular powder, or in crystalline crusts; 

 odorless having a bitter, saline taste; deliquescent, soluble in water or 

 alcohol, slightly soluble in ether. 

 Action: Alterative. 

 Dose: 0.3 Gm. (5 gr.). 



STRONTII SALICYLAS. Strontium Salicylate, Sr(C7H B O 3 ) 2 + 2H 2 O. White, 

 crystalline powder; odorless and somewhat sweet, saline taste, soluble in 

 19 parts water, 61 parts alcohol. Solubility increasing with boiling 

 water or alcohol. 

 Action: Antirheumatic. 

 Dose: I Gm. (15 gr.). 



THE BARIUM SALTS 



Seldom used medicinally, see p. 28. 



THE OFFICIAL CERIUM SALT U.S.P. 



CERII OXALAS. Cerium Oxalate. Fine, white or pinkish- white powder, without 



odor or taste, insoluble in water, alcohol, or ether. 

 Valuable in vomiting of pregnancy. 

 Dose: 0.2 Gm. (3 gr.). 



THE CADMIUM SALTS 



Salts obsolete as therapeutic agents. 



GROUP III. 



THE OFFICIAL U.S.P. AND UNOFFICIAL ZINC SALTS 



ZINCI ACETAS. Zinc Acetate, Zn(C 2 H 3 O 2 ) 2 + 2H 2 O. Soft, white plates, faintly 

 acetous odor, astringent metallic taste, soluble in 2.5 parts water, 36 parts 

 alcohol. Solubility increasing with heat. 

 Action: Mild, astringent. 

 Dose: 0.125 Gm. (2 gr.). 

 Preparations: Oleatum Zinci, N.F. 



Zinci Bromidum. Zinc Bromide, ZnBr 2 , U.S.P. VIII. White, granular powder, 

 odorless, having in solution a sharp, saline and metallic taste. Very 

 deliquescent. Readily soluble in water or alcohol. Rarely used. 

 Dose: 0.125 Gm. (2 gr.). 

 2 



