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7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205

    Buy cheap 7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205 from wholesalers
     
    Buy cheap 7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205 from wholesalers
    • Buy cheap 7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205 from wholesalers

    7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205

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    Brand Name : Y&X
    Model Number : Sodium Metabisulfite
    Certification : ISO9001
    Price : US$ 2500-40000/piece
    Payment Terms : T/T
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    7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205

    Manufacturers Industrial Grade Sodium Metabisulfite In China

    Sodium Metabisulfite

    Sodium Metabisulfite is white or yellow crystalline powder or small crystal, with strong odor of SO2, specific gravity of 1.4, soluble in water, the aqueous solution is acidic, contact with strong acid will release SO2 and generate corresponding salts, long time in the air, it will be oxidized to na2s2o6, so the product can not survive for a long time. When the temperature is higher than 150 ℃, SO2 will be decomposed.

    Product Informations:

    CAS No.

    7681-57-4

    EINECE

    231-673-0

    HS CODE

    2832100000

    MOLECULAR FORMULA

    Na2S2O5


    Specifications:

    Industrail Grade

    Items

    Specifications

    Typical Analysis

    Na2S2O5

    (%)

    96.5 Min.

    96.83

    Fe

    (%)

    0.003 Max

    0.0006

    As

    (ppm)

    1.0 Max

    0.8

    Heavy Metal(as Pb)

    (ppm)

    5.0 Max

    2.0





    Technical Specification

    TestsSpecification
    AppearanceWhite free-flowing Crystal Powder
    Purity (Na2S2O5)97% min
    Iron (Fe)0.003% min
    Heavy Metal (Pb)5 ppm max
    Arsenic (As)1 ppm max
    Water Insoluble0.05% max
    PH Value4.0-4.6


    Packing
    25kgs/PP PE BAG

    Storage and Transportation
    kept in a light-proof,well-colsed,dry and cool place.

    Quality 7681-57-4 Industrial Grade Smbs Sodium Metabisulfite Na2s205 for sale
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