ASTM WK33634

    Work Item: ASTM WK33634 - Revision of D1412 - 07 Standard Test Method for Equilibrium Moisture of Coal at 96 to 97 Percent Relative Humidity and 30°C

    Active Standard: D1412 - 07

    Developed by Subcommittee: D05.21 | Committee D05 | Contact Staff Manager



    1. Rationale

    Several significant changes to the standard are proposed including elimination of stage crushing to -16 mesh, adding the option to use nitrogen as a drying atmosphere, and adding a zero-day moisture test to moisture content of the sample prior to equilibration. A Inter Laboratory Study (ILS # 375) is currently underway.


    Keywords

    bed moisture; coal; equilibrium moisture; extraneous moisture; surface moisture;
    Citing ASTM Standards
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