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Food additives Magnesium Sulphate


Molecular Formula: MgSO4nH2O(n=0,1,2,3,4,5,6,7)
Molecular Weight: 120.37+18n (n= 0,1,2,3,4,5,6,7)
CAS No: 10034-99-8 (MgSO4.7H2O)
7487-88-9 (MgSO4 )

Specification (Up to GB29207-2012 )

Grade Item Magnesium
Sulphate
Heptahydrate		 Magnesium
Sulfate
Pentahydrate		 Magnesium
Sulphate
Trihydrate		 Magnesium
;Sulfate
Dihydrate		 Magnesium
Sulphate
Monohydrate		 Magnesium
Sulfate
Anhydrate
Appearance White Crystals White powder
Or granule		 White powder
Or granule		 White powder
Or granule		 White powder
Or granule		 White powder
Or granule
Assay %min 99.5 99 99 99 99 98
MgSO4%min 48.59 56 68 76 86 98
PH(5% Solution) 5.5-7.5 5.5-7.5 5.5-7.5 5.5-7.5 5.5-7.5 5.5-7.5
Iron(Fe)%max 0.002 0.002 0.002 0.002 0.002 0.002
Chloride(Cl)%max 0.03 0.03 0.03 0.03 0.03 0.03
Lead(Pb)%max 0.0002 0.0002 0.0002 0.0002 0.0002 0.0002
Arsenic(As)%max 0.0003 0.0003 0.0003 0.0003 0.0003 0.0003

 
 
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