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大苏打

    详细说明

    Sodium Thiosulphate
    CAS No.: 10102-17-7
    Formula: Na₂S₂O₃·5H₂O
    M.W.: 248.18
    Appearance: Colorless transparent Crystal
    Specifications: HG/T 2328-2006
    Inspection Item
    Standard
    Content
    99.0% min
    Insolubles in Water
    0.03% max
    Na₂S
    0.003% max
    Fe
    0.003% max
    NaCl
    0.2% max
    PH Value
    7.0 - 9.0
    Package: in 25kg bag