Product:Cobalt Sulfate Spec.: Purity:97% min. Appearance:Pink crystals Water Insoluble: 0.03% Co:20.3% Iron (Fe):0.001% Lead (Pb):0.001% Copper(Cu):0.001% Zinc(Zn):0.005% Ni:0.02% Package:25kgs/Paper barrel OR 25kg/bag