copper oxide and sulphuric acid form copper sulphate solution which is filtered to remove unreacted copper oxide see ANA141

RM2AG5EPR–. Dental metallurgy, for the use of dental students and practitioners. or combine with the siliceousmatter to form a slag. The oxidation is continued until thecopper begins to oxidize; when the oxide thus formed reducesany cuprous sulphide present with the evolution of sulphurdioxide. Finally the oxide of copper present is reduced withcoal and stirred with poles of wood. Wet Process.—Copper present in burned pyrites obtainedfrom the manufacture of sulphuric acid, which may contain3 per cent, copper, are subjected to a smelting process. Whenthis material is smelted with 12 to 15 per cent, of co

copper oxide and sulphuric acid form copper sulphate solution which is filtered to remove unreacted copper oxide see ANA141

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