Specifications: Magnesium sulfate heptahydrate
Item/grade
|
Agriculture grade
|
Technical Grade
|
USP.BP.CP standard
|
Food Grade
|
Appearance
|
White small granular
|
White small granular
|
White small granular
|
White cylinder crystalline
|
Main content
|
99.5% min
|
99.5% min
|
99.5% min
|
99.5% min
|
MgSO4
|
48.59% min
|
48.59% min
|
48.59% min
|
48.59% min
|
MgO
|
16.24% min
|
16.24% min
|
16.24% min
|
16.24% min
|
Mg
|
9.80% min
|
9.80% min
|
9.80% min
|
9.8% min
|
PH(5W/V%Sol)
|
5-9
|
5-9
|
5-9
|
5-9
|
Ferron(Fe)
|
0.002% max
|
0.0015% max
|
0.001% max
|
0.001% max
|
Chloride(CL)
|
0.02%max
|
0.015%max
|
0.014%max
|
0.0006%max
|
Heavy metal (Pb)
|
0.001 %max
|
0.0008% max
|
0.0006% max
|
0.0001%
|
Arsenic(As)
|
0.0002% max
|
0.0002% max
|
0.0002% max
|
0.0001% max
|
Insoluble
|
0.01%max
|
0.01%max
|
0.001%max
|
0.001%max
|
Size (mm)
|
0.1-1, 0.2-3, 1-4
|
0.1-1, 0.2-3, 1-4
|
0.1-1, 0.2-3, 1-4
|
0.1-1, 0.2-3, 1-4
|