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    Dimethyl sulfate

    Product   name

    Sequence   numbers

    Testing   programmes

    First grade
    products
    Qualified products

    Dimethyl sulfate

    (Q/WQH03-2013)

    1

    appearance

    colourless

     transparent liquid

    colourless 

    transparent liquid

    2

    content(%)

    98.6

    98.1

    3

    acidity(%)

    0.58

    0.75


    Liquid sulfur dioxide

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