Research Report RR:D16-1049

    An interlaboratory study was conducted by one laboratory that tested one PTA sample and one qualified terephthalic acid (QTA) sample for 4-CBA and p-TOL which was used to establish a precision statement for test method D7881.

    Published: August 2013

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    Related Standards

    D7881-19 Standard Test Method for Determination of 4-Carboxybenzaldehyde and p-Toluic Acid in Purified Terephthalic Acid by Capillary Electrophoresis with Reverse Voltage Mode

    Committee D16 on Aromatic, Industrial, Specialty and Related Chemicals

    Subcommittee D16.02 on Oxygenated Aromatics