electroplating chemical, copper sulphate, copper sulfate penta, cupric sulfate, blue vitriol, copper sulphate pendahydrate Introductionelectroplating chemical, copper sulphate, copper sulfate, copper sulfate penta, cupric sulfate, blue stone ... , sulfur dioxide and oxygen. Purity: CuSO4.5H2O95% Min Cu: 25.0% Min Pb 8ppm Max As 15ppm Max SUBJECT(%) ...