... 00) Usage: It is used to supply zinc in animal feeds, fertilizers, and agricultural sprays. ZnSO4·7H2O is used ... in making , in coagulation baths for , in for zinc plating, as a in dyeing, as a ... 250 µm Sieve):>98%OTHER COMPONENTS AND PROPERTIES:(for reference only)Co:50ppm max<20ppmNi:50ppm max<20ppmMo ... contact with acid and alkali and color matter. for animal feed grade zinc sulfate