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Electrolytic purification of copper: blister copper (99% copper) is preliminarily made into a thick plate as an anode, pure copper is used as a thin plate as a cathode, and a mixed solution of sulfuric acid (H2SO4) and copper sulfate (CuSO4) is used as an electrolyte. After electrification, copper dissolves from the anode into copper

Metal pigment copper gold powder copper gold powder preparation gold ink product introduction copper gold powder product gold ink use method Gold ink is printed with gold-gloss ink, which is made of copper alloy powder as pigment. A printing gold ink prepared from a special binder and gold powder. The copper gold powder can be used as