pecification (Up to USP /BP/CP/EP Standard ) | |||
Grade \ Item | MgSO4.7H2O | MgSO4.H2O | MgSO4 |
Appearance | White Crystals | White powder | White powder |
Or Granule | Or Granule | ||
Assay %min | 99.5 | 99 | 98 |
MgSO4%min | 48.59 | 86 | 98 |
MgO %min | 16.2 | 28.6 | 32.6 |
Mg % min | 9.8 | 17.21 | 19.6 |
PH(5% Solution) | 5.0-9.2 | 5.0-9.2 | 5.0-9.2 |
Iron(Fe)%max | 0.0015 | 0.0015 | 0.0015 |
Chloride(Cl)%max | 0.014 | 0.014 | 0.014 |
Heavy metal (as Pb)%max | 0.0006 | 0.0008 | 0.0008 |
Arsenic(As)%max | 0.0002 | 0.0002 | 0.0002 |