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    Sodium Metabisulphite

    Sodium Metabisulphite

    Sodium Metabisulphite
    H.S.CODE: 28321000
    CAS NO.: 7681-57-4
    Molecular formula: Na2S2O5
    Property: white or light yellow crystalline powder or small crystal, with SO2 odor,Sg 1.4.
    Use: Used in drug, food, ferment, rubber, textile, photo, flavor, dyes, tannage and preservativeof fruit and vegetable.
    Packing: in 25kgs plastic woven bag.
    Specification: 

    Commodity of Goods Sodium Metabisulphite
    Packing In 25kgs plastic woven bag
    Appearance White or yellowish crystal powder
    Item Standard
    Main purity 96% min
    SO2 65% min
    Fe 0.005% max
    Water insoluble 0.05% max
    PH value 4.0-4.2
    Heavy metal(Pb) 0.002% max
    As 0.0002% max


     

        



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