Magnesium sulphate heptahydrate AR/ACS 500GM | |||
70850SG500 | 921522804AX | ||
AR/ACS | 9215228 | ||
10034-99-8 | 100204 | ||
MgSO4.7H2O | January 2024 | ||
246.48 | December 2028 | ||
Sr.No. | Test | Result | Specification |
---|---|---|---|
1 | Appearance | Colourless efflorescent solid | Colourless efflorescent solid |
2 | Aqueous solubility | Complies | 72 g in 100 ml at 20°c |
3 | Assay | 98.9% | 98.0-102.0% |
4 | pH of a 5% solution at 25.0°c | 5.67 | 5.0-8.2 |
5 | Insoluble matter | 0.004% | 0.005% Max. |
6 | Chloride(Cl) | Less than 5 ppm | 5 ppm Max. |
7 | Nitrate (NO3) | Less than 0.002% | 0.002% Max. |
8 | Ammonium (NH4) | Less than 0.002% | 0.002% Max. |
9 | Calcium (Ca) | 0.019% | 0.02% Max. |
10 | Manganese (Mn) | Not detected | 5 ppm Max. |
11 | Potassium (K) | 0.0012% | 0.005% Max. |
12 | Sodium (Na) | 0.0006% | 0.005% Max. |
13 | Strontium(Sr) | Less than 0.005% | 0.005% Max. |
14 | Heavy metals (as Pb) | Not detected | 5 ppm Max. |
15 | Iron(Fe) | Not detected | 5 ppm Max. |
Tested By (Chemist - Quality Control) | Approved By (Head - Quality Control) |