This standard specifies the basic requirements, technical requirements, test methods, inspection rules, labeling, packaging, transportation, storage and quality commitment of the feed additive zinc sulfate monohydrate. This standard applies to the feed additive zinc sulfate monohydrate produced by chemical reaction of zinc-containing raw materials and sulfuric acid using a non-oxidative iron removal process. Molecular formula: ZnSO4·H2O. Relative molecular mass: 179.47 (according to the 2016 international relative atomic mass).