Magnesium Sulphate Hepta

*Appearance:White small crystal granular
*Purity:99% min
*MgSO4:47.8% min
*MgO:16% min
*Mg:9.6% min
*Cd:0.001% max
*Pb:0.001% max
*As:0.0005% max
*Cl:0.02% max