| Customization: | Available |
|---|---|
| CAS No.: | 7446-19-7 |
| Formula: | Znso4 7H2O |
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Zinc Sulfate Heptahydrate
Characters: It is colorless, transparent prisms or small needles, or as a granular, crystalline powder. It contains one or seven molecules of water of hydration. The heptahydrate effloresces in dry air at room temperature. Its solutions are acid to litmus.
Usage:
| Test item | Standard |
| Identification | Passes test |
| Assay(ZnSO4·7H2O) % | 99.0-108.7 |
| Acidity | Passes test |
| Alkalies and alkaline earths % | ≤0.50 |
| Cd mg/kg | ≤2.0 |
| Lead mg/kg | ≤4.0 |
| Hg mg/kg | ≤5.0 |
| Se % | ≤0.003 |
1. What's your payment terms?
T/T and L/C
2. What's your delivery time?
Arrange the shipment in 7-15 days after confirm PO.
3. How about the packing?
Packing as 25 kg/bag. Of course, if you have special requirements, we will according to your order.
4. When can I get reply?
We'll reply in 12 hours on working days.
5. How about the validity of the products?
According to the products you ordered.
6. What documents you provide?
Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate.
If your market has any special requirements, please let us know.
7. What is loading port?
Lianyungang, Shanghai, Qingdao, Ningbo and other China Major Port.
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