206 INORGANIC AGENTS 



alkali hydrates and carbonates. When heated to 424° F., 

 arsenous acid is completely volatilized without melting. 



Incompatibles. — Lime water, salts of iron and magnesia. 



Dose.—B.., gr.i.-v. (.06-.3) ; Sh. & Sw., gr.i.-ii. (.06-.12) ; 

 Dv g»'-A-TV (.002-.006.) 



Usual dose for H., gr.ii.-iii. (.12-.2). 



Liquor Potash Arsenitis. Solution of Potassium Arsenite. 



(U. S. P.) 

 {FotvJer's Solution.) 



Synonym, — Liquor arsenicalis, B. P.; liquor kali arseni- 

 cosi, P.G.; solutio arsenicalis Fowleri, kali arsenicosiim 

 solutum, arsenical solution, E.; liqueur arsenicale de Fowler, 

 Fr.; Fowlers'che tropfen, G. Arsenous acid, 10 gm.; potas- 

 sium bicarbonate, 20 gm.; compound tincture of lavender, 

 30 Cc; distilled water to make 1000 Cc. Strength, 1 part 

 of arsenous acid in 100. 



Dose.—Bi. & C, 3ii.-5i. (8.-30.); Sh. & Sw., 3i.-ii. 

 (4.-8.) ; D., 1ll^ii.-x. (.12-.6). 



Usual dose for H., § ss. (15.). 



Liquor Acidi Arsenosi. Solution of Arsenous Acid. 

 (U. S. P.) 



Synonym. — Liquor arsenici hydrochloricus, B.P.; hydro- 

 chloric solution of arsenic, E.; liqueur arsenicale hydrochlo- 

 rique, Fr.; chlorarsenik-losung, G. 



Arsenous acid, 10 gm.; diluted hydrochloric acid, 50 Cc; 

 distilled water, a sufficient quantity to make 1000 Cc. 

 Strength, 1 part of arsenous acid in 100. 



Dose. — Same as Fowler's solution. 



action of arsenical compounds. 



External. — Arsenous acid acts as a caustic on raw sur- 

 faces and mucous membranes. It produces considerable 

 pain, and may lead to poisoning. In frogs poisoned by 



