硫酸镁

Magnesium sulfate Molecular Formula: MgSO4.7H2O Molecular Weight: 246.47 CAS NO: 7487-88-9 H.S. Code: 28332100 Specification Magnesium sulfate heptahydrate (Agriculture grade): Appearance White small granular Main content 99.5% min MgSO4 48.59% min MgO 16.24% min Mg 9.8% min PH(5W/V%Sol) 5-9 Ferron(Fe) 0.002% max Chloride(CL) 0.02% Heavy metal (Pb) 0.001 %max Arsenic(As) 0.0002% max Insoluble 0.01%max Size (mm) 0.1-1 0.2-3 1-4 Magnesium sulfate heptahydrate (Technical Grade): AppearanceWhite small granular Main content 99.5% min MgSO4 48.59% min MgO 16.24% min Mg 9.8% min PH(5W/V%Sol) 5-9 Ferron(Fe) 0.0015% max Chloride(Cl) 0.015%max Heavy metal (Pb) 0.0008 %max Arsenic(As) 0.0002% max Insoluble 0.01%max Size (mm) 0.1-1 0.2-3 1-4 Magnesium sulfate heptahydrate (Food Grade): Appearance White cylinder crystalline Main content 99.5% min MgSO4 48.59% min MgO 16.24% min Mg 9.8% min PH(5W/V%Sol) 5-9 Ferron(Fe) 0.001% max Heavy metal 0.0006%max Lead(Pb) 0.0001% Arsenic(As) 0.0001% max Insoluble 0.001%max Size (mm) 0.1-1 0.2-3 1-4 Magnesium sulfate pentahydrate Appearance White powder Main content 99% min MgSO4 56% min MgO 19% min Mg 11.31% min Chloride (Cl) 0.014%max Ferron(Fe) 0.0015% max Heavy metal (Pb) 0.0006 %max Arsenic(As) 0.0002% max Insoluble 0.1%max Magnesium sulfate monohydrate Appearance White powder Main content 99% min MgSO4 86% min MgO 28.69% min Mg 17.21% min Ferron(Fe) 0.0015% max Chlorid(Cl) 0.014% max Heavy metal (Pb) 0.0008 %max Arsenic(As) 0.0002% max Insoluble 0.1%