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Sodium metabisulfite

  • CAS No:7681-57-4 Sodium metabisulfite
    Molecular Structure

    Detailed Description

    Item
    Food Grade
    Purity ( As Na2S2O5) 98.0% min
    Sulfur Dioxide( SO2) 65.0% min
    Arsenic ( As ) 0.0002% max
    Heavy metals ( As Pb ) 0.0005% max
    Selenium (Se ) 0.0005% max
    Iron (Fe) 0.001% max
    Water insoluble 0.02% max
    PH value : 4.0-4.8