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    Sulfuric Acid
    Item SPECIFICATION
    H2SO4 / % ≥ 93.0或98.0
    RESIDUE / % ≤ 0.02(残渣)
    Fe / % ≤ 0.02
    As / % ≤ 0.0001
    Hg / % ≤ 0.001
    Pa / % ≤ 0.005
    Diaphaneity / mm ≥ 80
    Chromacity / mm ≤ 2.0
    The material of sulphur to product Sulfuric Acid.