Product Name: Magnesium Sulphate Heptahydrate
Molecular Formula: MgSO4
Grade |
IP |
BP |
FCC |
Description |
Colourless crystals or white crystalline powder, odourless. |
White or almost white crystalline powder, colourless crystals, tastes saline to bitter |
Colourless crystals, granular crystalline powder or white powder. Crystals effloresce in warm, dry air |
Solubility |
Freely soluble in water, very soluble in boiling water, practically insoluble in ethanol |
Freely soluble in water, very soluble in boiling water, practically insoluble in ethanol |
Readily Soluble in water, Very soluble in boiling water, slowly soluble in glycerine and sparingly soluble in alcohol |
Identification |
Complies to the tests for magnesium and sulphate |
Complies to the tests for magnesium and sulphate |
Complies to the tests for magnesium and sulphate |
Appearance of solution |
10% Solution is clear and colourless |
10% Solution is clear and colourless |
|
Arsenic |
Max. 2 PPM |
Max. 2 PPM |
Max. 3 PPM |
Acidity or Alkalinity |
0.2 ml of 0.01M of HCl or 0.01M of NaOH |
0.2 ml of 0.01M of HCl or 0.01M of NaOH |
- |
Iron |
Max. 200 ppm |
Max. 20 ppm |
- |
Heavy Metals |
Max. 10 ppm |
Max. 10 ppm |
- |
Chloride |
Max. 300 ppm |
Max. 300 ppm |
- |
Lead |
- |
- |
Max.4 PPM |
Loss on Drying |
48.0 % TO 52.0 % |
48.0 % TO 52.0 % |
40.0% to 52.0 % |
Assay on Dry Basis |
99.0 TO 100.5% |
99.0 TO 100.5% |
Min. 99.5 |