Grade

Item

Magnesium Sulphate Heptahydrate

Magnesium Sulfate Dihydrate

Magnesium Sulphate Monohydrate

Magnesium Sulfate Anhydrous

Appearance

White Crystals

White powder

Or granule

White powder

Or granule

White powder

Or granule

Assay %min

99.5

99

99

98

MgSO₄%min

48.59

76

86

98

MgO %min

16.20

25.30

28.60

32.60

Mg % min

9.80

15.23

17.21

19.8

PH(5% Solution)

5.0-9.2

5.0-9.2

5.0-9.2

5.0-9.2

Iron(Fe)%max

0.0015

0.0015

0.0015

0.0015

Chloride(Cl)%max

0.014

0.014

0.014

0.014

Heavy metal

(as Pb)%max

0.0006

0.0007

0.0008

0.0008

Arsenic(As)%max

0.0002

0.0002

0.0002

0.0002