Research Report RR:D16-1057

    This test method covers the determination of acid number in terephthalic acid (TA) by automatic potentiometric titration. For PTA, acid number is usually within 674 to 676 mg KOH/g

    Published: March 2016

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    Related Standards

    D8031-16 Standard Test Method for Acid Number of Terephthalic Acid (TA) by Automatic Potentiometric Titration


    Committee D16 on Aromatic, Industrial, Specialty and Related Chemicals


    Subcommittee D16.02 on Oxygenated Aromatics