| Customization: | Available |
|---|---|
| CAS No.: | 7782-63-0 |
| Formula: | Feso4-7H2O |
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Light green crystal
(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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