Feed Grade Zinc Sulphate Heptahydrate
Specifications
Zinc Sulphate Heptahydrate1.feed additive
2.ZnSO4 7H2O:97.3%min
3.Zn: 22%min
4.of high quality
Zinc sulfate (ZnSO4) is a colorless crystalline, watersoluble chemical compound. The hydrated form, ZnSO4 7H2O, the mineral goslarite, was historically known as "white vitriol" and can be prepared by reacting zinc with aqueous sulfuric acid. It may also be prepared by adding solid zinc to a copper(II) sulfate solution.
Specification:
Item |
Index |
|
Assay (Zn) |
22% Min |
|
Assay (Znso4·7H2O) |
97.3% Min |
|
Cd (as Cd) |
10mg/kg Max |
|
Arsenic (as AS) |
5mg/kg Max |
|
Lead (as Pb) |
10mg/kg Max |
|
|
Crushing particle size |
W=250microns test sieve pass/% |
—— |
W=800microns test sieve pass/% |
95%Min |
|
Application:
It is mainly used as nutritional additive in animal feed and fertilizer in agriculture.It is also used in synthetic fiber industry, preservative,material of printing and dyeing and be used in medical for fungicide and emetic,and in electroplate,water purification etc.
Shelf life: 24 months
Storage: Stored in cool and ventilated place ,keep away from fire, heat and sunshine, sealed package. Stay away from oxide.
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