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Anhydrous sodium sulfite
 
 

Product Parameters

         Term                                  Quality     Index
Industry Grade Food Grade
Purity ( As Na2SO3) 96.0% min 98.0% min
Sodium sulphate ( SO4) 2.5% max 1.5% max
Chlorides ( As NaCL) 0.5% max 0.1% max
Ars enic ( As ) - 0.0002% max
Heavy metals ( As Pb ) - 0.0005% max
Iron (Fe) 0.005% max 0.002% max
Water insolubles 0.05% max 0.02% max
 
 
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