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    Sulfuric acid reagent

    Product   name

    Sequence   numbers

    Testing   programmes

    Analytical   reagent

    Sulfuric acid reagent(GB/T625-2007)

    1

    H2SO4(%)

    95.0~98.0

    2

    incinerated residue(%)

    0.001

    3

    chloride(%)

    0.00003

    4

    nitrate(%)

    0.00005

    5

    ammonium salt(%)

    0.0002

    6

    Fe(%)

    0.00005

    7

    As(%)

    0.000003

    8       

    chromaticity(Hazen

    10

    9

    potassium permanganate-reducing(%)

    0.0005

    10

    Cu(%)

    0.00001

    11

    Pb(%)

    0.00001

    Notice:   different concentrations of sulfuric acid reagent   can be prepared according to the customer's need


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