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          2. Huai'an Huayuan Chemical Co.,Ltd.
            Export grade phosphorus trichloride

            Index name

            excellent grade

            first grade

            qualified

            Appearance

            colorless transparent or light yellow liquid

            Phosphorus trichloride content%

            ≥99.5

            ≥99.0

            ≥98.5

            Free phosphor content%

            ≤0.0001

            ≤0.0005

            ≤0.0010

            Boiling range(74.5-77.5 °C)(v/v)%

            ≥97.5

            ≥97.0

            ≥96.0

            Phosphoric acid content(PO4-2)

            ≤0.2

            ≤0.2

            /

            Arsenic ppm

            ≤1

            ≤3

            ≤5

            Iron ppm

            ≤1

            ≤3

            ≤5

            Plumbum ppm

            ≤1

            ≤3

            ≤5

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