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        Phosphoric acid

        Check Item

        standard value

        Phosphoric acid (H3PO4) %

        75.0-86.0.

        Fluoride (as F) mg/kg

        ≤10

        Readily oxidizable substance (H3PO3) %

        ≤0.012

        Arsenic (As) mg/kg

        ≤0.5

        Heavy metals (as Pb) mg/kg

        ≤5.0

        Color status

        Colorless transparent or slightly thick liquid

        Sulfate (SO4)%

         

        Chloride (C1) %

         

        Iron(Fe)%

         

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