Vijaychem Industries

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Zinc Sulphate - Heptahydrate

Zinc Sulphate Heptahydrate Grade's Mfg.
Molecular Weight: 287.54
Description: Colorless Transparent Crystal Or A White Crystalline Power, Odorless, Efflorescent.
Solubility: Soluble In Water.

Particular Extra Pure Grade
CAS no 7446-20-0
Appearance White Crystalline Powder.
pH (10% Solution) 4.5 to 6.0
Assay as ZnSo4.7H2O % 99 % to 105%
Zinc Content as Zn 22.5% to 23.87%
Iron as Fe Maximum % 0.001%
Cooper as Cu Maximum % 0.00025%
Lead as Pb Maximum % 0.001%
Cadmium as Cd % 0.001%
Total Nitrogen % 0.005%
Particular L.R Grade
CAS no 7446-20-0
Appearance White Crystalline Powder.
pH (10% Solution) 4.5 to 6.0
Assay as ZnSo4.7H2O % 99 % to 105%
Zinc Content as Zn 22.5% to 23.87%
Iron as Fe Maximum % 0.005%
Cooper as Cu Maximum % 0.0005%
Lead as Pb Maximum % 0.005%
Cadmium as Cd % 0.001%
Chloride % 0.01%
Total Nitrogen % 0.005%
Particular G.R Grade
CAS no 7446-20-0
Appearance White Crystalline Powder.
pH (10% Solution) 4.5 to 6.0
Assay as ZnSo4.7H2O % 99 % to 105%
Zinc Content as Zn 22.5% to 23.87%
Iron as Fe Maximum % 0.0005%
Cooper as Cu Maximum % 0.0005%
Lead as Pb Maximum % 0.001%
Cadmium as Cd % 0.0005%
Chloride % 0.0005%
Total Nitrogen % 0.0005%