... crystal 2,relative density: 1.957, 3.alias :Zinc Vitriol, Whi zinc sulphate monohydrate Spec as follows:Fertilizer grade(HG/T2326 ... the raw material for the production of zinc-barium powder and other zinc salts. 2, Zinc Sulphate is also an important supplemental ... clarifying and protecting agents, medical emetic and fungicide.3, Zinc Sulphate is also applied to electric plating, mineral selection, ...