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Magnesium sulfate anhydrous

Magnesium sulfate anhydrous

Moloecular formula: MgSO4
Molecular weight: 120.37
CAS NO:7487-88-9
Standard: maximum assay of impurities is in 百分比

Item

Analytically pure-AR

High pure

Assay

≥99.0百分比

≥98.0百分比

Water insoluble matter

≤0.005

≤0.01

Free acid (H2SO4)

≤0.05

——

Chloride (Cl)

≤0.002

≤0.002

Phosphate (PO4)

≤0.005

——

Calcium (Ca)

≤0.05

≤0.05

Iron (Fe)

≤0.001

≤0.001

Arsenic (As)

≤0.0002

≤0.001

Heavy metal (Pb)

≤0.001

≤0.001

 

 

 

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