ASTM WK74368

    Revision of D7157 - 18 Standard Test Method for Determination of Intrinsic Stability of Asphaltene-Containing Residues, Heavy Fuel Oils, and Crude Oils (n-Heptane Phase Separation; Optical Detection)

    (What is a Work Item?)

    Active Standard: D7157 - 18

    Developed by Subcommittee: D02.14 | Committee D02 | Contact Staff Manager



    WK74368


    Keywords

    asphaltenes; compatibility; crude oil; heavy fuels oils; intrinsic stability;  S-value; phase separation; residual oil;;

    Rationale

    The current instrument is to retire. The new instrument is more automated. The purpose of this ballot is to introduce the new instrument. The method will be split into two parts. The first will contain the original instrument; which ahs precision from an ILS. Thus protecting legacy owners. The second will contain the new instrument which has limited precison to allow take up and subsequent ILS within five years.

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    Work Item Status

    Date Initiated:
    10-14-2020

    Technical Contact:
    James Barker

    Item:
    001

    Ballot:
    D02.14 (21-05)

    Status:
    In Balloting