China Znso4 Zinc Sulphate Heptahydrate Monohydrate 33% CAS 7446-19-7, Find details about China Zinc Sulfate Industry Grade, Zinc Sulphate Monohydrate from Znso4 Zinc Sulphate Heptahydrate Monohydrate 33% CAS 7446-19-7
item | Specification | ||
powder industry grade | Powder feed grade | Granular fertilizer grade | |
Content | 98%min | 98%min | 98%min |
Zinc | 35% min | 35% min | 33.5% min |
As | 10ppm max | 5ppm max | 5ppm max |
Pb | 20ppm max | 10ppm max | 10ppm max |
Cd | 20ppm max | 10ppm max | 10ppm max |
Size | 80mesh | 80mesh max | 8-10mesh |