Content (Mg),w/% | 14.5-16.4 |
Calcium(Ca) ,w/% ≤ | 1.0 |
Iron(Fe) ,w/% ≤ | 0.02 |
Arsenic(As) ,w/% ≤ | 0.0003 |
Chloride,w/% ≤ | 0.05 |
Heavy metal,w/% ≤ | 0.005 |
Sulphate,w/% ≤ | 0.2 |
PH (5% solution) | 5.0-9.0 |
Identification | Conform to the standard |
Loss on drying ,w/% ≤ | 29.0 |