water treatment chemicals price ferrous sulphate heptahydrate
Specifications
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Specifications
| Physical and Chemical Properties | |
| Appearance and physical state | Greenish or yellow-brown crystalline solid |
| Boiling point | 330ºC at 760 mmHg |
| Melting point | 64ºC(-3H2O) |
| Density | 1.897(15ºC) |
| Sensitivity | Air sensitive and hygroscopic |
| Solubility | Soluble in water and glycerol, insoluble in ethanol. |
| Flammability | Nonflammable, irritating. |
| Stability | Stable.substances to be avoided include strong oxidizing agents. |
| Storage | 2-8ºC. In the low temperature, ventilated, dry warehouse, separated from food raw materials. |
| ITEM | FeSO4.7H2O | FeSO4.H2O |
| FeSO4.H2O %≥ | ---- | 91.4 |
| FeSO4.7H2O %≥ | 98 | ---- |
| Fe %≥ | 19.7 | 30.0 |
| As %≤ | 0.0002 | 0.0002 |
| Pb %≤ | 0.002 | 0.002 |
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