ASTM WK35536

    Work Item: ASTM WK35536 - New Test Method for Initial pH of Engine Oils

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

    1. Scope

    This method is for the determination of the pH value of used or inservice engine oils. The method covers a measured pH value of 2.0 to 8.0 for engine oils.

    The standard is requested by OEM engine manufacturer's who base their oil change intervals on pH values. The measured value provides valueable information on the acidity of test samples and is used as one criteria for when to change the lubricant.


    engine oils, pH Initial pH, i-pH, gas engines

    The title and scope are in draft form and are under development within this ASTM Committee.

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    Work Item Status

    Date Initiated:

    Technical Contact:
    Thomas Fischer


    D02 (14-02)

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