This standard specifies the requirements, test methods, inspection rules, signs, labels, packaging, transportation and storage of industrial zinc sulfate. This standard applies to zinc sulfate monohydrate and zinc sulfate heptahydrate prepared by reacting zinc-containing raw materials with sulfuric acid. This product is mainly used in chemical industry, chemical fiber, mineral processing, metallurgy, electroplating and circulating cooling water treatment. Molecular formula: Zinc sulfate monohydrate: ZnSO·HO Zinc sulfate heptahydrate: ZnSO·7HO Relative molecular mass: Zinc sulfate monohydrate: 179.47 (according to the 2001 international relative atomic mass) Zinc sulfate heptahydrate: 287.56 (according to the 2001 international relative atomic mass) quality)