1. Properties: Molecular formula:MgSO4 7H2O Molecular weight:246.48
White or colorless odorless crystal having slightly bitter taste. Easily soluble in water and slightly soluble in ethyl alcohol.
2. Technical index
| Appearance | White particle |
| Main content | ≥99.5% |
| MgSO4 | ≥48.59% |
| MgO | ≥16.27% |
| Mg | ≥9.81% |
| PH(5W/V%Sol) | 5-8 |
| Iron content (Fe) | ≤0.002% |
| Chlorine content (Cl) | ≤0.02% |
| Heavy metal (Pb) | ≤0.001% |
| Arsenic content (As) | ≤0.0002% |
| Water insoluble matter | ≤0.01% |
| Particle size (mm) | 0.1-1, 1-3, 2-4 |
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