zinc sulphate monohydrate pharmaceutical grade white vitriol high quality

zinc sulphate monohydrate pharmaceutical grade 1,colorless white crystal 2,relative density: 1.957, 3.alias :Zinc Vitriol, W

zinc sulphate monohydrate pharmaceutical grade  Spec as follows:
Fertilizer grade(HG/T2326-92)	Feed grade(HG/2934-2000)
Assay(ZnSO4.7H2O )≥93.0%	Assay(ZnSO4.H2O)≥98%
Zn ≥21%	Zn ≥22.%
Water Insoluble≤0.02%	As ≥0.0005%
Lead (Pb)≤0.002%	Pb ≤0.002%
Moisture ≤ 0.05%	Cd ≤0.002%
Cadmium (Cd)≤0.002%	Fineness(through 250um sieve)≥95%

The Uses of zinc sulphate monohydrate pharmaceutical grade 

1, Zinc Sulphate is mainly used as the raw material for the production of zinc-barium powder and other zinc salts.

2, Zinc Sulphate is also an important supplemental material for viscose fiber and vinylon fiber, as well as printing & dyeing 

    agent, wood and leather agent, bone glue clarifying and protecting agents, medical emetic and fungicide.

3, Zinc Sulphate is also applied to electric plating, mineral selection, prevention of the diseases of fruit tree saplings and  

     circulating cooling water treatment, etc.

4,In agriculture, it can be used as fertilizer and feed additive, etc