196 



307. LEAD TARTBATE. Pb C 4 H 4 O 6 . 



a. White powder. 



IRON. Fe. 



308. METALLIC. 



a. Small rods. 

 6. Iron turnings. 



c. Iron filings. 



d. Powder, reduced by hydrogen from the oxide. (Ferrum 



Redactum, B.P. Reduced Iron.) 

 Note. Reduced iron often contains some magnetic oxide. 



309. PERACETATB. Fe 2 (C 2 H 3 O 2 ) 6 . (Ferric Acetate.) 



o. Yellowish-brown lumps. 



310. PROTO-ARSENATE. Fe 3 As 2 8 . (Ferrous Arsenate.) 



a. Powder of a pale dingy green colour. (Ferri Arsenias, 



B.P.) 

 Note. This salt is usually partially oxidized. 



311. CARBONATE. Fe C 3 (Ferrous Carbonate.) 



a. Dark green lumps. (Ferri Carbonas Saccharata, B.P.) 

 Note. This preparation always contains some peroxide of iron. 



312. PROTOCHLORIDE. FeCl 2 , 4H 2 0. (Ferrous Chloride, Dichloride 



of Iron.) 

 a. Green crystals. 



313. PERCHLORIDE. Fe 2 C1 6 . 



a. Brownish-yellow crystalline masses. 



b. Dark-red crystals, prepared by sublimation. 



314. CITRATE. 



a. Pseudo-crystalline scales. 



315. AMMONIO-CITRATE. (Ferri Ammonio-citras, B.P.) 



a. Pseudo-crystalline scales. 



316. POTASSIO-CITRATE. 



a. Pseudo-crystalline scales. 



317. QUINO- CITRATE. (Citrate of Iron and Quinine, Ferri et Quince 



Citras,B.P.) , 

 a. Pseudo-crystalline scales. 



318. QUINO-CITRATE with STRYCHNIA. (Citrate of Iron, Quinine, and 



Strychnine.) 

 a. Pseudo-crystalline scales. 



319. CITRATE with QUINETUM. (Citrate of Iron and Quinetum.) 



a. Pseudo- crystalline scales. 



