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Magnesium sulfate Magnesium sulfate anhydrous CAS:7487-88-9
Name: Magnesium sulfate
Synonyms: Magnesium sulfate anhydrous
CAS:7487-88-9
MF: MgSO4
Item |
Specification |
Results |
Appreance |
Fine, white or almost white powder . |
Conform |
Solubility |
Practically insoluble in water; it dissoluble in dilute acids with at most slight effervescence |
Conform |
Identification |
Bulk density:minimum 0.25g/ml The solution gives the reaction of magnesium |
Conform |
Appearance of solution |
Not more intensely coloured than reference solution B3 |
Conform |
Soluble substance |
≤2.0% |
0.12 % |
Calcium |
≤1.5% |
0.06 % |
Chlorides |
≤0.10% |
0.07 % |
Sulphates |
≤1.0% |
0.3 % |
Substances Insolubles in Acetic Acid |
≤0.10% |
0.02 % |
Loss on ignition (900±25℃) |
≤8% |
1.2% |
Bulk density,g/ml |
Minimum 0.25g/ml |
0.45g/ml |
Iron |
≤0.07% |
0.005% |
Heavy metals |
≤30 ppm |
<20 ppm |
Arsenic |
≤4ppm |
<3 ppm |
Content(MgO) |
98.0-100.5% |
99.1% |
Conclusion |
This batch complies with EP 8.0 requirements |
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