... .high quality99.9% 2. CAS No.: 1317-38-0 3. various type our high-purity copper oxide powder is mainly uesed in ... -High purity ( Cl < 500ppm, Cl < 100ppm, Cl < 30ppm, Cl < 10ppm ), various type of cupric oxide-Less impurities ( Pb: max50ppm, Fe:max50ppm, Zn:max100ppm ... , Ni:max50ppm )-Moisture : Max 0.5%-Bulk density: 1.8-Various packing unit ( 25kg, 500kg, 750kg, 1,000kg ) Welcome to speak ...