| Customization: | Available |
|---|---|
| CAS No.: | 7782-63-0 |
| Formula: | Feso4-7H2O |
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(1)Water treatment
Ferrous sulfate is used for flocculating and purifying water, and removing phosphate from urban and industrial sewage to prevent eutrophication of water bodies.
(2) Reducing agent
A large amount of ferrous sulfate is used as reducing agent, which mainly reduces chromate in cement.
(3) Colorant
The production of a tannic acid inks and other inks requires ferrous sulfate. Ferrous dye is also used in wood dyed mordant.
B and ferrous sulfate can be used to stain the concrete into yellow rust.
C and woodworking ferrous sulphate make the maple dye silver color.
| Item | Index | Test Results |
| Content(FeSO4.7H2O) % | 98.0% | 98.1% |
| Content(FeSO4) % | 53.5% | 53.5% |
| Fe % | ≥19% | 19.65 |
| As % | ≤0.0002 | 0.00011 |
| Heavy Metal (Pb)% | ≤0.002 | 0.002 |
| Water insoluble matter % | ≤0.2 | 0.10 |
| Dissociation acid% | ≤0.35 | 0.22 |
| Apperance | Green powder or crystal | Pass |
| Conclusion | Pass | |
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