| Customization: | Available |
|---|---|
| CAS No.: | 7446-20-0 |
| Formula: | Znso4 7H2O |
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1. Chemical Name: zinc sulfate heptahydrate
2. Molecular Formula: ZnSO4·7H2O
3. Molecular Weight: 287.54
4. CAS: 7446-20-0
5. Expiration: 24 months
6. Character: 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.
7. Usages: Nutrient.
| 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. How long can I get your reply?
A: Within 4 hours.
2. May I get some samples?
A: Free sample can be sent on your request but express charges are on your account.
3. Is this price on the page correct?
A: The listed price is only for reference, for latest price, please contact us directly.
4. What is your delivery time?
A: 3-5 working days normally and it depends on your quantity and our stock.
5. What is your payment term?
A: L/C, D/P, T/T, Paypal, Credit card or else.
6. Where is your loading port?
A: Lianyungang, Qingdao, Shanghai, Ningbo and other China main ports.
7. May I visit your factory?
A: Welcome to visit our factory at your convenience.
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