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97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry

    Buy cheap 97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry from wholesalers
     
    Buy cheap 97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry from wholesalers
    • Buy cheap 97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry from wholesalers
    • Buy cheap 97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry from wholesalers

    97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry

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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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    97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry

    High Purity White Powder CAS 7681-57-4 Sodium Metabisulfite


    Product Description: Supply CAS No. 7681-57-4 Sodium Metabisulfite for Industrial Grade

    Sodium Metabisulfite
    Sodium Metabisulfite or sodium pyrosulfite (IUPAC spelling; Br. E. sodium metabisulphite or sodium pyrosulphite) is an inorganic compound of chemical formula Na2S2O5. The substance is sometimes referred to as disodium metabisulfite. It is used as a disinfectant, antioxidant and preservative agent.

    Product Informations:

    CAS No.

    7681-57-4

    EINECE

    231-673-0

    HS CODE

    2832100000

    MOLECULAR FORMULA

    Na2S2O5


    Specifications:
    1) Food Grade

    Items

    Specifications

    Typical Analysis

    Colour

    /

    White or yellowish

    White

    State

    /

    Crystalline powder

    Crystalline powder

    Na2S2O5

    (%)

    96.5 Min.

    97.1

    Fe

    (%)

    0.003 Max

    0.0021

    Clarity

    /

    Passed

    Passed

    As

    (ppm)

    1.0 Max

    0.85

    Heavy Metal(as Pb)

    (ppm)

    5.0 Max

    0.04

    2) 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 97% Cas 7757 83 7 Sodium Metabisulfite In Water Treatment For Industry for sale
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