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  1. Shanghai Fine Chemicals

    API • Vitamins • Food ingredients
    Veterinary Injection & Premix

    Folic Acid

    Tests Standards
    Characteristics A yellowish or orange, crystalline powder
    Identification A:Specific optical rotation:+18 to +22 (anhydrous substance)
    B:HPLCchromatograms:Complies
    C:TLC Identification:Complies
    Related substance Impurity Anot more than 0.5%
    Impurity D not more than 0.6%
    any other impurity not more than0.5%
    Total of other impurity not more than 1.0%
    Water 5.0--8.5%
    Residue on ignition Not more than0.20%
    Assay(anhydrous basis) 96.0~102.0%
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