| S.No | Nutrients Content | By Weight (w/w) |
|---|---|---|
| 1 | Magnesium (as Mg) per cent by weight, minimum | 9.6 |
| 2 | SulphateSulphur (as S) per cent by weight, minimum | 12.0 |
| 3 | Matter Insoulbe in water per cent by weight, maximum | 1.0 |
| 4 | Ph (5% solution) not less than | 5.0 – 8.0 * |
| 5 | Lead (as Pb) per cent by weight, maximum | 0.003 |
| 6 | Cadmium (as Cd) per cent by weight, maximum | 0.0025 |
| 7 | Arsenic (as As) per cent by weight, maximum | 0.01 |