... 3)Usage,Ferrite magnetic material copper oxide powder price for circuit board platingMolecular formula: CuOMolecular weight: 79.55 Characters: ... dielectric constant 18.10, insoluble in water, soluble in acid, ammonia, ammonium chloride, dissolved in sodium hydroxide to produce blue color ... reduced to metallic copper. Use:1)used for circuit board plating,2)Ferrite magnetic materials and other electronic ...