Zinc sulphate heptahydrate
Zinc Sulphate heptahydrate 21%Zn powder
Appearance: white crystal,
Assay:98%min, Zn:21.0%min,Pb:0.002% max,Cd:0.002%max,As:0.001% max,
Molecular Formula:ZnSO4.7H2O, Molecular Weight:287.54
Packing:25kgs plastic woven bag, 25mts/20'FCL