potassium, but upon the other radicals present and may hence be best 

 found by looking up the incompatibilities of those radicles. 



^otassa Caustica. Potassium Hydroxide. (Hydrate, Caustic 

 Potash.) Hard, white pencils or cakes, very deliquescent. Soluble, 2 

 in 1 of water, 1 in 2 of alcohol. 



x Liquor Potassae. Dose, 10-30 min.; 06-2 c.c., freely diluted. 

 6.19; Water, 100. A colourless odourless alkaline liquid. 



3 Potassa Sulphurata. Sulphurated Potash. (Liver of Sulphur.) 



A mixture of the Salts of Sulphur, but chiefly Sulphides. 



Potassii Acetas. Dose, 10-60 grs.; 6-40 dgms. 



Either in white foliaceous satiny masses or in granular particles, very 

 deliquescent, alkaline in reaction. Soluble 1 in ]/2 of water, 1 in 2 of al- 

 cohol. 



Potassii Bicarbonas. Dose, 5-30 grs. ; 3-20 dgms. 



KHCO 3 . Colourless crystals, with a feebly alkaline, saline taste. Solu- 

 ble, 1 in 4 of water, insoluble in alcohol. 20 grs. neutralise 14 grs. of 

 citric or 15 grs. of tartaric acid. 



3 Potassii Bichromas. Dose, 1/10-1/5 gr.; 6-12 mgms. 



K 2 CrO 3 , CrO 3 . Large orange-red transparent crystals. Soluble 1 in 

 10 of water. 



Potassii Bromidum. Dose, 5-30 grs.; 1/3-2 gms. 



KBr. Colourless, crystals ; odourless, with a pungent saline taste. Soluble, 

 1 in 2 of water, 1 in 200 of alcohol. 



ipotasssii Carbonas. Dose, 5-20 grs.; 3-12 dgms. 



K 2 CO 3 . A white crystalline powder, alkaline and caustic to the taste, 

 very deliquescent. Soluble 1 in 1 of water, insoluble in alcohol. 



Potassii Chloras. Dose, 5-15 grs. ; 3-10 dgms. 



KC1O 3 . Colourless crystals with a cool saline taste. Soluble 1 in 16 of 

 cold, 1 in 3 of hot water, 1 in 1,700 of alcohol. 



2 Trochiscus Potassii Chloratis. 3 grs. with the Rose Basis. 



Potassii Citras. Dose, 10-40 grs.; >-2^ gms. 



C 3 H 4 .OH.(COOK) 3 . A white powder of a feebly acid saline taste, deli- 

 quescent. Soluble 1 in 0.6 of water, 1 in 2 of glycerin, 1 in 9 of alcohol 

 60%. 



Potassii lodidum. Dose, 5-20 grs. ; 3-12 dgms. 



KI. Colourless crystals with a pungent saline and subsequently bitter 

 taste. Soluble, 1 in less than 1 of water, 1 in 10 of alcohol, 1 in 3 of gly- 

 cerin. 



3 Linimentum Potassii lodidi cum Sapone. 10.125; Curd 

 Soap, 13.5; Glycerin, 6.75; Oil of Lemon, 0.844; Water, 67.5. 



3 Unguentum Potassii lodidi. 10; Potassium Carbonate, 

 0.6; W T ater, 9.4; Benzoated Lard, 80 



85 



