212 INORGANIC AGENTS 



Antimonium. 

 (The meted antimony is not iised in medicine.) 



Antimonh Sulphidum. Antimony Sulphide. Sh^S^. 

 (TJ. S. P.) 



Synonym. — Antimony trisulphide, E.;. stibium oxy datum ^ 

 oxydum antimonicum Yel stibicum ; oxyde d'antimoine, Fr.j. 

 antimonoxyd, G. 



Derivation. — Native antimony sulphide, purified by 

 fusion, and as free from arsenic as possible. 



Properties. — Steel-gray masses of a metallic lustre and a 

 striated, crystalline fracture, forming a black, or grayish- 

 black, lustreless powder ; without odor or taste, and per- 

 manent in the air. Insoluble in alcohol or water. 



Antimonh Sulphidum Purificatum. Purified Antimony 

 Sulphide. SbA- (U. S. P.) 



Synonym. — Antimonium nigrum purificatum, B.P.; puri- 

 fied antimony trisulphide, E. 



Derivation. — Antimony sulphide, 100 ; purified by macer- 

 ation in ammonia water, 50 ; washing and drying. U. S. P. 



Properties. — A heavy, grayish-black, lustreless powder ; 

 without odor or taste, and permanent in the air. Insoluble 

 in water or alcohol. 



Dose. — The antimony sulphides should not be used in 

 medicine. Dose would be twice or thrice that of tartar 

 emetic. 



Antimonium Sulphuratum. Sulphurated Antimony. 

 (U. S. & B. P.) 



Synonym. — Kermes Mineral. Chiefly antimony trisul- 

 phide (SbaSg), with a very small amount of antimony 

 trioxide. 



Derivation. — Boil purified antimony sulphide, 100, with 

 solution of soda, 1200. (U. S. P.) Sb.S, -f 4 Na O H = Na 



