Molecular formula: MgSO4
Molecular weight: 120.37
CAS:7487-88-9
Executive standard: Q/XZSY 123-2016
Item | AR | Result |
Purity[MgSO4] % | ≥98.0 | 98.58 |
水不溶物( water-insoluble) % | ≤0.005 | 0.002 |
free acid(以H2SO4计) % | ≤0.05 | 0.025 |
appearance | White or colorless crystallization
| qualified |
Heavy metals(以Pb计) % | ≤0.001 | <0.001 |
Chloride(Cl) % | ≤0.002 | 0.001 |
Phosphate(PO4) % | ≤0.005 | 0.0026 |
Calcium(Ca) % | ≤0.05 | 0.023 |
Iron(Fe) % | ≤0.001 | <0.001 |
Arsenic(As) % | ≤0.0002 | <0.0002 |