Formula : CuSo4 . 5H2O
CAS : 7758-98-7
Specification :
CuSO4 .5H2O---------98% Min
(Cu) copper------------25% Min
(Ni)Nickel------------0.05% Max
(Fe)Ferric------------0.05% Max
(Zn)Zinc------------0.001% Max
(Pb)Lead-----------0.001% Max
(As)Arsenic--------0.002% Max
Water insolubles----0.2% Max

Usage:It can be applied as the mordant of cotton and silk printing, and for making green and blue pigments. It also can be used as water bactericide, wood antiseptics, and for copper electroplating, battery, engraving and manufacturing catalyst, it is used in great quantities in the mineral dressing of nonferrous metals industries, shipping paint industry.