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Magnesium Sulfate Heptahydrate
Molecular formula: |
MgSO4·7H2O |
Properties: |
colorless or white cuboid crystals, odorless, with bitter taste, easily airslake in the dry air, easily soluble in water, slightly soluble in ethanol, decompose if heated. |
Usage: |
mainly used in tanning, fertilizer, porcelain, match, explosive, printing and dyeing, pharmaceutical and such industries.
Test Result |
Item |
Index |
Test Value |
Main content (MgSO4·7H2O)% ≥ |
98.0 |
98.5 |
Iron (Fe)% ≤ |
0.005 |
0.005 |
Chloride (base on CL)% ≤ |
0.30 |
0.30 |
Insoluble matter in water% ≤ |
0.10 |
0.10 |
According to test result, this sample meets HG/T680-95 first-class index value. It is qualified product. |
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