ASTM WK39059

    Work Item: ASTM WK39059 - Revision of D4273 - 11 Standard Test Method for Polyurethane Raw Materials: Determination of Primary Hydroxyl Content of Polyether Polyols

    (What is a Work Item?)

    Active Standard: D4273 - 11

    Developed by Subcommittee: D20.22 | Committee D20 | Contact Staff Manager



    1. Rationale

    Update Precision and Bias section via new ILS


    Keywords

    NMR; nuclear magnetic resonance spectroscopy; polyurethane raw materials; primary hydroxyl, polyether polyol; Hydroxyl (hydroxide ion) content; Nuclear magnetic resonance (NMR) spectrometry; Polyether polyols; Polyols; Polyurethane insulation; Polyurethane raw materials--polyols;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:
    09-17-2012

    Technical Contact:
    David Mullen

    Status:
    Draft Under Development