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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1894 Excerpt: ...residue in the manufacture of Nordhausen sulphuric acid from ferrous sulphate; ferrous-ferric oxide or magnetic oxide of iron Fe,O,. Describe the two chlorides of iron. Ferrous chloride FeCl,, a green deliquescent crystalline compound, forming by the action of HCI on metallic iron; ferric chloride, also termed sesquichloride or perchloride of iron Fe,Cl, +6Aq, remaining on evaporation of the solution in yellow crystalline masses, soluble in water, alcohol, and ether. What is the oflicinal solution and tincture of ferric chloride? Liquor ferri chloridi U. S. is a solution containing 31.8 per cent. Fe,Cl6; prepared by dissolving Fe in an excess of HCI, adding HNO, while boiling, when Fe,Cl, is formed; 35 parts of this with 65 parts of alcohol make the tinctura ferri chloridi U. S. ' What is ferrous bromide, and what is its oflicinal preparation? FeBr,, a yellowish-green crystalline compound, entering the syrupus ferri bromidi U. S. which contains 10 per cent. of it. What is ferrous iodide, and its oflicinal preparations? FeI,, prepared by the action of iodine on iron in excess. It enters the syrupus ferri iodidi U. S. to the extent of 10 per cent.; pilulzc ferri iodidi containing 1 grain each of FeI,, with an excess of reduced iron. What is ferrous sulphide, how prepared, and for what used? A brownish-black mass, ferri sulphuretum U. S.; FeS is formed by fusing sulphur and iron filings in a red-hot crucible; it is used to prepare hydrogen sulphide, q. v. Describe the ferri sulphas U. S. It is ferrous sulphate, also termed copperas, or green vitriol FeSo, + 7Aq; a green crystalline salt, somewhat efiiorescent; loses its water of crystallization on heating, and then forms a white powder, known as dried sulphate of iron, or ferri sulphas exsiccatns. Which are th...
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