ASTM WK76928

    Revision of D974 - 14e2 Standard Test Method for Acid and Base Number by Color-Indicator Titration

    (What is a Work Item?)

    Active Standard: D974 - 21

    Developed by Subcommittee: D02.06 | Committee D02 | Contact Staff Manager



    acid number; base number; color indication titration; petroleum products;;


    Used oil sample preparation for D664, D4739 and D7946 test methods have previously been revised to be equivalent. This work item seeks to align the used oil sample preparation guidelines in D974 with these other test methods. Comparable sample preparation allows a portion of test sample to be shared among these test methods without further treatment.

    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    Bridget Odell

    Draft Under Development