IO INOEGANIC SALTS AND THEIR PREPARATIONS 



Action: Anttspasmodic, cough sedative. (With Caution). 

 Dose: 10 mg. (J gr.) (largely diluted). 

 Poison Antidote = Ferri Hydroxidum cum Magnesio Oxido. 

 Potassii Dichromas. Potassium Bichromate, K 2 C 2 O7. Orange-red prisms, or 



tabular crystals, odorless, having an acidulous, metallic taste, soluble in 



9 parts water. 



Action: Alterative, astringent, caustic. 

 Dose: 10 mg. (^ gr.). 

 Potassii Ferrocyanidum. Potassium Ferrocyanide, K 4 Fe(CN)g + H 2 O. Yellow 



tabular crystals, odorless, having a mild saline taste, soluble in 4 parts 



water. 



Action: Sedative, antihydrotic (in night sweats). 

 Dose: 5 Gm. (7^ gr.) (rarely). 

 POTASSII HYDROXIDUM. Potassium Hydroxide, Caustic Potash, KOH. 



Fused masses or in pencils, odor of lye, taste very acrid, caustic, soluble 



in water. 



Action: Antacid in 5 per cent, solution, escharotic. 

 Dose: i mil. 



Preparations: Liquor Potassii Hydroxidi, U.S.P. 

 POTASSII HYPOPHOSPHIS. Potassium Hyppphosphite, KH 2 PO 2 . White 



opaque plates, odorless, taste pungent, saline, soluble in 0.5 parts water, 



7 parts alcohol. 



Action: Tonic in wasting diseases. 

 Dose: 0.5 Gm. (7^ gr.). 



Preparations: Syrupus Hypophosphitum, U.S.P. 

 POTASSII IODIDUM. Potassium Iodide, KI. Opaque, white, cubical crystals 



or white granular powder, odor of iodine; pungent, saline, afterward 



bitter taste, soluble in 0.7 parts water, 12 parts alcohol, 2.5 parts glycerin. 

 Action: Alterative, resolvent (only in solution). 

 Dose: 0.5 Gm. (7^ gr.). 

 Preparations: Liquor lodi Compositus, U.S.P. 



Tinctura lodi, U.S.P. 



Unguentum lodi, U.S.P., Ung. Pot. lod., N.F. 



Liquor Hydrargyri et Potassii lodidi, N.F. 

 POTASSII NITRAS. Potassium Nitrate, Saltpeter, KNO 3 . Prisms or white 



crystalline powder, odorless having a pungent, cooling, saline taste, 



soluble in 3.6 parts water. 

 Action: Antiseptic, diuretic, refrigerant. 

 Dose: 0.5 Gm. (7^ gr.) largely diluted. 

 POTASSII PERM AN GANAS. Potassium Permanganate, KMnO 4 . Dark purple 



colored prisms, odorless and having a sweet but afterward astringent 



tasje, soluble in 15 parts of water. 

 Action: Antiseptic, disinfectant. 



Dose: i grain (pill form), i Gm. (15 gr.) (aqueous solution). 

 Antidote for morphine poisoning. 

 *POTASSII SULPHAS. Potassium Sulphate, K 2 SO 4 . Prisms or white powder, 



odorless, having a saline, bitter taste, soluble in 9 parts water. 

 Action: Cathartic, diuretic. 

 Dose: 2 Gm. (30 gr.). 

 POTASSII ET SODII TARTRAS. Potassium and Sodium Tartrate, RocheUe 



Salt. Transparent prisms, or white powder, odorless having a cool 



saline taste, soluble in 1.2 parts water. 

 Action: Refrigerant, cathartic. 

 Dose: 8 Gm. (120 gr.). 



Preparations: Pulvis Effervescens Compositus (Seidlitz Powder). 

 POTASSA SULPHURATA. Sulphurated Potassa, Liver of Sulphur. Irregular 



pieces, liver-brown when freshly made changing to greenish-yellow and 



finally grey, with age odorless, when dry, fetid odor when moist, having 



a nauseous bitter taste, very soluble in water. 

 Action: Antacid, alterative. 

 Dose: Not given in the U.S.P. 

 Potassii Tartras. Potassium Tartrate, K 2 C4HO 8 -H 2 O. Small transparent or 



white monoclinic crystals or white powder, somewhat deliquescent, odor- 

 less, having a saline slightly bitter taste, soluble in water, almost 



insoluble in alcohol. 



