... of copper sulfate,cupric sulfate,bluestone,Copper sulfate pentahydrate,CuSO4, blue vitriol,cuprum sulfuricum copper sulfate pentahydrate and ... III. Cooper sulfate,cupric sulfate,bluestone,Copper sulfate pentahydrate,CuSO4, blue vitriol,cuprum sulfuricum copper sulfate pentahydrate usage ... ,medicine, pesticides etc. IIII.Specificaiton:Copper Sulfate Feed GradeParametersSpecificationsPurity>98.5%Cu>25%Pb ...