| Parameters | Specification |
|---|---|
| Physical properties | |
| Appearance | White Powder |
| Colour | MgSO.7H4 2O |
| Odour | MgSO.7H4 2O |
| Chemical Properties | |
| Purity | 99.5 % MIN |
| PH | 7- 8.5 % MAX |
| Boron | 20% |
| Lead (as Pb %) | 0.003% |
| Cadmium (as Cd) | 0.0025% |
| Arcenic (as As) | 0.01% |
| Sodium Oxide (Na2O) | 14.5 % MAX |