1 6 INORGANIC SALTS AND THEIR PREPARATIONS 



*Calcii Lactophosphas. Calcium Lactophosphate. White granules or as a white 



powder, without odor, soluble in water, almost insoluble in alcohol. 

 Dose: 0.5 Gm. (8 gr.). Syr. Calc. Lactophos. et Ferr., N.F. 



*Calcii Phosphas Prcecipitatus. Precipitated Calcium Phosphate, U.S.P. VIII, 

 Ca 3 (PC>4)4. White, amorphous or micro-crystalline, bulky powder, 

 odorless and tasteless, permanent in air. Almost insoluble in cold water, 

 decomposed by boiling water, insoluble in alcohol. 

 Used in preparations. 

 Preparations: Syrupus Calcii Chlorhydrophosphatts, N.F. 



Emulsum Morrhuas cum Calcii Phosphate, N.F. 



Calcii Sulphas Exsiccatus. Exsiccated Calcium Sulphate, Plaster Paris, U.S.P. 

 VIII, CaSCU + 2H 2 O. Fine white powder, forming with an equal weight 

 of water a smooth paste which rapidly hardens. Used in making plaster 



CALCII SULPHIDUM CRUDUM. Crude Calcium Sulphide, Calx Sulphurata, 

 U.S.P. VIII. Pale grey or yellowish powder, having a faint odor of 

 hydrogen sulphide and a nauseous and alkaline taste, decomposed in 

 moist air. It is very slightly soluble in cold water, more so in hot water, 

 readily soluble in solution of ammonium salts, insoluble in alcohol. 



Action: Antiseptic, alterative. 



Dose: 0.06 Gm. (i gr.). 



Preparations: Liquor Calcis Sulphuratae, N.F. 



CALX. Calcium Oxide, Lime, CaO. Hard, white or greyish-white masses or 

 granules, or as a white powder; odorless, caustic taste. Soluble in 840 

 parts water, in 1,740 parts boiling water; insoluble in alcohol or glycerin 

 or syrup. When moistened it is converted into calcium hydroxide. 



Preparations: Liquor Calcis, U.S.P. 



Syrupus Calcis, U.S.P. VIII. 



CALX CHLORINATA. Chlorinated Lime, Chloride of Lime. White, or greyish 

 white, granular powder, having the odor of chlorine. It is partially 

 soluble in water or alcohol. 



Action: Disinfectant, deodoramt. 



Dose: Not given. 



Preparations: Liquor Sodae Chlorinata, U.S.P. 

 Liquor Potassae Chlorinata, N.F. 



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



MAGNESII CARBONAS. Magnesium Carbonate (approximately) (MgCO 3 ). 



Mg(OH) 2 + 5H 2 O. Light, white, friable masses, or in a bulky, white 



powder, without odor, and having a slight earthy taste; permanent in 



air; practically insoluble in water, insoluble in alcohol. 

 Action: Antacid, laxative. 

 Dose: 3 Gm. (45 gr.). 

 Preparations: Magma Magnesia, U.S.P. 



Liquor Magnesii Citratis, U.S.P. 

 *Magnesii Chloridum. Magnesium Chloridi. Colorless, transparent crystals, or 



as white translucent pieces; deliquescent in moist air, soluble in water 



or alcohol. 



Action: Purgative in solution. 

 Dose: 30 Gm. (450 gr.). 

 MAGNESII OXIDUM. Magnesium Oxide. Light Magnesia, MgO. White, 



very bulky and very fine powder, without odor, and having an earthy, 



but not a saline taste ; is almost insoluble in water ; insoluble in alcohol, 



soluble in dilute acids. 

 Action: Antacid. Cathartic. 

 Dose: 2 Gm. (30 gr.). 

 Preparation: Pulvis Rhei Compositus. 

 MAGNESII OXIDUM PONDEROSUM. Heavy Magnesium Oxide, Heavy 



Magnesia, MgO. White, dense and very fine powder, which conforms 



to the reactions and tests for Magnesii Oxidum. 

 Preparation: Pulvis Rhei et Magnesias Anisatus, N.F. 

 MAGNESII SULPHAS. Magnesium Sulphate, Epsom Salt, MgSO 4 + 7H 2 O. 



Small colorless, prismatic needles or rhombic prisms, without odor, and 



having a cooling saline taste; slowly efflorescent, soluble in water and 



almost insoluble in alcohol. 



