Sky blue crystal Insecticide Bactericide Copper plating Copper sulphate Copper sulfate (CuSO4 - 5H2O) for blue crystal water, a weak acid solution, common name, gall stone, bold vitriol alum, blue vitriol. Copper sulfate is an important raw material for the preparation of other copper compounds. With lime milk mixed to Bordeaux, used as an antiseptic. Copper sulfate is also an electrolyte for electrolytic refining of copper. The common form of copper sulfate is its crystal, a hydrated sulfuric acid four hydrated copper ([Cu (H2O) 4]SO4, H2O, five hydrated copper sulfate), which is a blue solid
Sky Blue Crystal Insecticide Bactericide Copper Plating Copper Sulphate