... vitriol, copper sulphate pendahydrate Introductionelectroplating chemical, copper sulphate, copper sulfate, copper sulfate penta, cupric sulfate, blue stone, blue vitriol, copper sulphate pendahydratcopper sulphate pentahydrate ... 4 elements, 150 degrees all the crystal water loss made anhydrous. Anhydrous also easily absorbing into copper sulphate pentahydrate. Often use this ...