ASTM WK70833

    Revision of D6866 - 18 Standard Test Methods for Determining the Biobased Content of Solid, Liquid, and Gaseous Samples Using Radiocarbon Analysis

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    Active Standard: D6866 - 20

    Developed by Subcommittee: D20.96 | Committee D20 | Contact Staff Manager



    accelerator mass spectrometry; biobased; biogenic; bomb carbon; 14C (carbon-14); carbon dating; isotope ratio mass spectrometry; liquid scintillation counting; new carbon; old carbon; percent modern carbon;;


    The standard contains a table (Table 1) with atmospheric reference D14C values to be used based on year and the value for 2020 is TBD. We need to provide an actual number to be used. This is the only edit being made at this time.

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    Technical Contact:
    Stephany Mason