20 INORGANIC SALTS AND THEIR PREPARATIONS 



ARGENTI NITRAS FUSUS. Moulded Silver Nitrate, Fused Silver Nitrate, 

 Lunar Caustic. Moulded silver nitrate is a white, hard solid, generally 

 in the form of pencils and resembles the crystals in physical properties. 

 Uses: Caustic (externally). 



Argenti Nitras Miligatus. Mitigated Caustic 33 per cent. AgNO s . Silver nitrate 

 fused with twice its weight of potassium nitrate and moulded into pencils. 

 Uses: Used when a modified caustic effect is desired. 



ARGENTI OXIDUM. Silver Oxide, Ag 2 O. Heavy, dark brownish-black powder, 

 odorless and having a metallic taste, slightly soluble in water, insoluble 

 in alcohol but soluble in nitric acid. 

 Uses: Astringent, internally. 

 Dose: 0.06 Gm. (i gr.). 



THE OFFICIAL COPPER SALT 



CUPRI SULPHAS. Copper Sulphate, Blue Vitriol, CuSO 4 + 5H 2 O. Deep blue, 

 triclinic crystals or as a blue, granular powder; odorless, of a nauseous 

 metallic taste; slowly efflorescent in dry air; soluble in 2.5 parts of water, 

 500 parts of alcohol and in 2.8 parts glycerin, very soluble in boiling 

 water. 



Uses: Astringent, styptic, tonic, emetic. 

 Dose: (astringent) o.oi Gm. (J^ gr.). 

 (emetic) 0.25 Gm. (4 gr.). 



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



BISMUTHI BETANAPHTHOLAS. Bismuth Betanaphthol. Buff colored to 

 greyish-brown, amorphous powder of a varying composition of Bi 2 Os and 

 CioH 7 OH; odor, faint; tasteless; insoluble in water, alcohol, chloroform 

 or ether. 



Action: Antiseptic, astringent. 

 Dose: 0.5 Gm. (8 gr.). 



Bismuthi Citras. Bismuth Citrate, BiCeH^Or. White, amorphous or micro- 

 crystalline powder, odorless and tasteless, permanent in air, insoluble 

 in water or alcohol, soluble in ammonia water. 

 Preparation: Bismuthi et Ammonii Citras, U.S. P. 



BISMUTHI ET AMMONII CITRAS. Bismuth and Ammonium Citrate. Shin- 

 ing, pearly or translucent scales; odorless, having a metallic taste, very 

 soluble in water but sparingly soluble in alcohol. 

 Action: Astringent. 

 Dose: 0.125 Gm. (2 gr.). 

 Preparation: Liquor Bismuthi, N.F. 

 Bismuthi Oxidum. Bismuth Oxide, Bi 2 Os. Lemon-yellow powder, resembling 



bismuth subnitrate in its medical properties. 

 Dose: 0.65 Gm. (10 gr.). 



BISMUTHI SUBCARBONAS. Bismuth Subcarbonate. White or pale yellow- 

 ish-white powder; odorless and tasteless permanent in air, insoluble in 

 water or alcohol. 

 Action: Astringent. 

 Dose: 0.5 Gm. (8 gr.). 



BISMUTHI SUBGALLAS. Bismuth Subgallate, Dermatol. Amorphous, bright 

 yellow powder, odorless and tasteless, permanent in air, insoluble in 

 water, alcohol, chloroform, or ether. 

 Action: Astringent. 

 Dose: 0.5 Gm. (8 gr.). 



BISMUTHI SUBNITRAS. Bismuth Subnitrate. White powder, odorless, 



almost tasteless, and slightly hygroscopic, insoluble in water or alcohol. 



Action: Astringent, contained in Glyc. Bismuthi, N.F., Magma Bismuthi, 



U.S.P. 



Dose: 0.5 Gm. (8 gr.). 



BISMUTHI SUB SALIC YLAS. Bismuth Subsalicylate. White or nearly white 

 amorphous or crystalline powder; odorless, tasteless, and permanent 

 in air, almost insoluble, in cold water, and in alcohol. 

 Action: Intestinal, antiseptic. 

 Dose: 0.5 Gm. (8 gr.). 



