zinc sulphate food grade
1,factory directly
2,free sample,stable quality
3,SGS,BV,CIQ inspection welcoming.
high quality zinc sulphate food grade
Properties: .
1. Product name: Zinc Sulphate Mono/Hepta
2. Chemical formula: ZnSO4 . H2O/ ZnSO4 . 7H2O
3. Molecular Weight: 179.46/287.56
4. CAS No.: 7446-19-7 / 7446-20-0 H.S. Code: 2833293000
5. EINECS: 231-793-3
6. physical characteristics: White powder or crystal, easily soluble in water and insoluble in alcohol and ketone..
Package: Net 25kgs plastic woven bags with inner liner or 1000kgs big bag or 50 lb paper bags.
7. Payment: T/T, L/C
8. Specificaton:
Specification:
ITEM | ZnSO4 • H2O | ZnSO4 • 7H2O | Granules |
Purity, %≥ | 98 | 98 | 98% |
Zinc (Zn), %≥ | 35.5 | 22.5 | 33.5% |
Water Insoluble , %≤ | 0.05 | 0.05 | 0.05 |
Heavy Metal (Pb), %≤ | 0.001 | 0.001 | 0.001 |
Arsenic (As), %≤ | 0.0005 | 0.0005 | 0.0005 |
Cadmium (Cd)≤ | 0.002 | 0.002 | 0.002 |
9. Application: Zinc Sulphate is mainly used as raw material for the production of lithophone and zinc salts. It is also used in synthetic fiber industry, zinc plating ,pesticides, flotation, fungicide and water purification. In agriculture, it is mainly used in feed additive and trace element fertilize, etc.