Magnesium Sulphate Heptahydrate

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Specification

Magnesium Sulphate Heptahydrate

Items

Standard

Standard

Low Fe-Standard

Purity

≥98%

≥99.5%

≥99.5%

MgSO4

≥47.86%

≥48.59%

≥48.59%

MgO

≥16%

≥16.24%

≥16.24%

Mg

≥9.65%

≥9.8%

≥9.8%

S

≥11.8%

≥12%

≥12%

Cl

≤0.30%

≤0.014%

≤0.014%

Fe

50ppm max

15ppm max

3ppm max

As

--

2ppm max

2ppm max

Cd

--

2ppm max

2ppm max

Pb

--

6ppm max

6ppm max

Insoluble in water

≤0.10%

≤0.010%

≤0.010%

PH (5W/V%Sol)

41767

41767

41767

Size

0.1-1mm

0.1-0.5/ 1-3/ 2-4/ 4-7mm

0.1-1mm

Appearance

White Crystal