160 INORGANIC AGENTS 



bowels. It is, therefore, more applicable for internal use in 

 the treatment of diarrhoea and dysentery. Other astringents, 

 such as tannic acid in some form, lead acetate, or copper 

 sulphate, are, however, usually more valuable in diarrhoeal 

 disorders. Aluminum sulphate may be used interchange- 

 ably with alum, externally or internally. 



Cerium. 



(Cerium is not employed medicinally. J 



Cerii Oxalas. Cerium Oxalate. Cq^ i^fiX + 9 HjO. 

 (U. S. & B. P.) 



Synonym. — Cerous oxalate. 



Derivation. — Precipitate a solution of ammonium oxalate 

 with a soluble salt of cerium. 



Properties. — A white, granular powder, without odor or 

 taste, and permanent in the air ; insoluble in water, alcohol 

 or ether. 



I)ose.—T>., gr.iii.-v. (.18-.3). 



Action and Uses. — The physiological details concerning 

 the action of cerium are unknown. It is useful in relieving 

 vomiting of a reflex or nervous character, and is often com- 

 bined with bismuth salts. Cerium oxalate is soluble in the 

 gastric juice. 



SECTION IV. 



Plumbum, Argentum, Zincum, Cuprum and Bismuthum. 



Plumbum. 



(Lead is not used in the metallic state in veterinary medicine^ 

 except as a last resort.) 



Plumbi Oxidum. Lead Oxide. PbO. (U. S. & B. P.) 



Synonym. — Litharge, E.; lithargyrum, P. G.; bleiglatte, Gc 

 Derivation. — Made by roasting lead in the air. 



