FERROUS SULPHATE 153 



Properties. — A grayish-white powder, slowly soluble in water. 

 Dose. — Same as sulphate. 



Feeri Sulphas Granulatus. Granulated Ferrous Sulphate. 

 Fe,S0,+7 H,0. (U. S. & B. P.) 

 Synonym. — Sulfate ferreux prficipite, Fr. ; praecipitirtes ferrosulfat, G. 

 Derivation. — Dissolve ferrous sulphate, 100, in distilled water, 100, and add 

 sulphuric acid, S. Evaporate till the product weighs 150. Pour alcohol, 25, upon 

 it and dry. 



Properties. — Pale, bluish-green, crystalline powder. 

 Dose. — Same as sulphate. 



Ferhi Carbonas Saccharatus. Saccharated Ferrous Carbonate (U. S. & B. P.) 



Synonym. — Ferrum carbonicum saccharatum, P. G, ; saccharure de proto-car- 

 bonate de fer, Fr. ; zuckerhaltiges Isohlensaures eisen (ferrocarbonat), G. 



Derivation. — Ferrous sulphate, 50; sodium bicarbonate, 35; sugar, 70; sugar 

 of milk, 10; sulphuric acid and water, q. s. 



Properties. — Greenish-brown powder, without odor; sweetish and ferruginous. 

 Made by solution, precipitation and washing and drying. 



Contains not less than 15 per cent, of FeCoj. 



Dose. — Twice that of iron sulphate. 



Massa Ferhi Carbonatis. Mass of Ferrous Carbonate. (U. S. P.) 

 Dose.—D., gr.i-v, (.06-.3) in pill. 



PiLULiE Ferri Carbonatis. (Blaud's Pills.) (Ferrous Carbonate, gr.i.) 

 Dose.~D., 1 to 2 pills. 



SvRUPUs Ferri Iodidi. Syrup of Ferrous Iodide. (U. S. & B. P.) 

 Properties. — Transparent, pale green liquid; having a sweet, strongly ferru- 

 ginous taste, and a slightly acid reaction. Containing not less than 4.75 per 

 cent, nor more than 5.25 p.er cent, of Fel,. 



Dose.—H., §ss-i, (15-30) ; D., Tllv-xxx, (.3-2). 



Ferri Chloridum. Ferric Chloride. FeCls-l-HjO. (U. S. P.) 

 Synonym. — Ferrum sesquichloratum, P. G. ; ferrum muriatum oxydatum, ferri 



perchioridum, sesquichloride (perchloride) of iron, E.; perchlorure de fer, chlo- 



rure ferrique, Fr. ; eisenchlorid, G. 



Derivation. — Solution of ferric chloride, 100 Gm., evaporate to 40 Gm. on 



water bath. Set aside to crystallize; break into pieces and keep in glass-stop- 

 pered bottles in dark. 



Properties. — Orange yellow, crystalline pieces, odorless, or with a faint odor 



of hydrochloric acid, and having a very strong styptic taste; deliquescent; 



soluble in 0.2 part of water and freely soluble in alcohol; having acid reaction; 



not used internally. 



LiauoH Ferri Chloridi. Solution of Ferric Chloride. (U. S. P.) 



Synonym. — Liq. ferri perchloridi, B. P. An aqueous solution containing fer- 

 ric chloride (Fe CI3) corresponding' to not less than 10 per cent, nor more than 

 II per cent. Fe. 



Derivation. — Dissolve iron wire, 125, in hydrochloric acid, 680, nitric acid and 

 water to make 1,000. (U. S. P.) 



First reaction.— Fej+4 HCl = 2 F^ Cl2-f-2H2. 



Second reaction.— 6 FeClj-j-S HCl-f-2 HNO3 = 3 Fe^ Cl,+2 NO-1-4 H^O. 



Properties. — A reddish-brown liquid, having a faint odor of hydrochloric 

 acid; an acid, strongly styptic taste and an acid reaction. 



Dose.—H. & C, 3ii-iv, (8-15) ; Sh. & Sw., lllx-xx, (.6-1.3) ; D., Tllii-x, (.I2-.6). 



PREPARATIONS. 



TiNCTURA Ferhi Chloridi. Tincture of Ferric Chloride. (U. S.P.) 



Solution of ferric chloride, 350; alcohol to make 1,000. 



Dose.—H. & C, §i-ii, (30-60); Sh. & Sw., Tll,xx-xxx, (1.3-2); D., ni,v-3i, 

 (.3-4). 



Contains 13 per cent, of ferric chloride, or not less than 4.48 per cent, of 

 metallic iron. 



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