| Customization: | Available |
|---|---|
| CAS No.: | 7446-20-0 |
| Formula: | Znso4.7H2O |
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Zinc sulfate heptahydrate is an inorganic compound with the chemical formula ZnSO4·7H2O and a molecular weight of 287.56. It appears as a white crystalline powder with a melting point of 100°C and a boiling point of 500°C. It is easily soluble in water and slightly soluble in alcohol.
| Items | Standard 1 | Standard 2 |
| Appearance | White crystal | White crystal |
| ZnSO4.7H2O | 94.6% min. | 99.0% min. |
| Zn | 21.5% min. | 22.5% min. |
| Pb | 0.001% max. | 0.001% max. |
| As | 0.0005% max. | 0.0005% max. |
| Cd | 0.001% max. | 0.0008% max. |
25kg, 50kg, 1000kg bags.
Customized packing available.
Quick Response:
Professional and enthusiastic sales teams will respond to your inquiry carefully and timely. Sales personnel have the foundation of chemical industry and international trade, so that you are professional and respected for each communication experience.
Superior Quality:
More than ten years of experience in the agricultural chemical industry can quickly integrate supplier resources in China. There are strict standards for the choice of manufacturers.
Quality inspectors of chemical engineering strictly control the quality of each order. Support third -party inspection before delivery.
Fast Delivery:
Professional production equipment and reasonable production plans to ensure that orders are delivered quickly and timely.
1. Can I get samples?
Yes, free samples are available. Only need to pay for shipping.
Samples will usually be sent out within 1-3 working days.
2. Do you accept customized orders?
Yes, both product and package can be customized.
3. What is the payment terms?
TT, LC, DP are available.
Please note that OME orders require payment prior to shipment.
4. What is the lead time for mass production?
Delivery time depends on product type and quantity.
Our company has a digital ordering system to ensure scientific and reasonable scheduling of orders, please consult the sales staff you contacted.
5. How to guarantee the product quality?
Wellyou Tech has a complete raw material inspection, quality control and pre-factory inspection system to ensure that the order delivered to you is in line with the contract.
In addition, it also supports third-party inspection before shipment. If the inspection fails, the customer's payment will be refunded, and the loss caused by the breach of contract will be compensated.
6. How to check the order status after payment?
After the order is confirmed, the merchandiser will follow up every week and update the order status to you by email.
7. How to deal with after-sales problems?
The after-sales service implements the order responsibility system, and the salesman is the first responsible person for the order. The after-sales service department will set up a service team after receiving the complaint. They will complete the incident investigation and provide you with a resolution within 72 hours.
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