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    Oxalic acid

    Molecular formula: HOOCCOOH·2H2O
    Quality standard: GB 1626-88
    Appearance: colorless transparent crystal
    Uses: pharmaceutical, chemical and light industry
    Packing: polypropylene woven bag with inner plastic film
    Notes: The product is toxic and corrosive on skin and mucosa. Please keep operation field ventilated. And the storage temperature should be lower than 40℃.

    Item

    superior grade

    top grade

    qualified product

    Oxalic acid %≥

    99.6%

    99.0%

    96.0

    sulfate radical(SO4)%≤

    0.07

    0.10

    0.20

    ignition residue%≤

    0.01

    0.08

    0.20

    heavy metal(Pb)%≤

    0.0005

    0.001

    0.02

    iron(Fe )%≤

    0.0005

    0.0015

    0.01

    chloride(CI)%≤

    0.0005

    0.0002

    0.01

    calcium(Ca)%≤

    0.0005

    —  


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