This standard specifies the requirements, inspection methods, inspection rules, packaging, marking, transportation, storage and quality certificates for copper sulfate (a by-product of smelting and smelting). This standard applies to crystallized copper sulfate produced by the copper smelting production process. The product is mainly used in electroplating copper, electroplating brass, electroless uranium plating, industrial catalysts and industrial mineral processing. It is not allowed to be used in feed, medicine, and food additives. and agricultural industries.