Quality Specifications: 1).Copper Sulphate CuSO4.5H2O: Cu 24.5% Pb≤0.0010%, As≤0.0008% Appearance: Blue crystal2).Copper Sulphate (pentahydrate)CuSO4.5H2O: Cu≥25.06%, Pb≤0.0010%, As≤0.0008% Appearance: light blue crystal (or powder) 3).Copper sulphate (Monohydrate) CuSO4. H2O: Cu≥34.0%, Pb≤0.0010%, As≤0.0010% Appearance: light blue to grey white 4).Uses: used as extender of copper in animal feed, also as materials of microelement fertilizer and other chemical industrial products 5).Packing: 25kg/40kg N.W. each, in PP woven bag