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COPPER - LoveToKnow Article on COPPER (Site not responding. Last check: 2007-11-06) |
 | | Ores.The principal ores of copper are the oxides cuprite and melaconite, the carbonates malachite and chessylite, the basic chloride atacamite, the silicate chrysocolla, the suiphides chalcocite, chalcopyrite, erubescite and tetrahedrite. |
 | | Copper sulphide may be converted either into the sulphate, which is soluble in water; the oxide, soluble in sulphuric or hydrochloric acid; cupric chloride, soluble in water; or cuprous chloride, which is soluble in solutions of metallic chlorides. |
 | | Copper arsenate is similar to cupric phosphate, and the resemblance is to be observed in the naturally occurring copper arsenates, which are generally isomorphous with the corresponding phosphates. |
| 39.1911encyclopedia.org /C/CO/COPPER.htm (11237 words) |
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