ASTM WK39057

    Revision of D4875 - 11 Standard Test Methods of Polyurethane Raw Materials: Determination of the Polymerized Ethylene Oxide Content of Polyether Polyols

    (What is a Work Item?)

    Active Standard: D4875 - 11

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


    1. Rationale

    Update Precision and Bias section via new ILS


    EO polymer; EO/PO ratio; ethylene oxide; NMR; polyethers; polyols; polyurethane raw materials; Ethylene oxide (ETO); FTIR analysis; Nuclear magnetic resonance (NMR) spectrometry; Polyether polyols; Polyols; Polyurethane raw materials--polyols; Propylene oxide; Proton nuclear magnetic resonance spectroscopy; Pulse Fourier-transform NMR (FT-NMR); Spectral data; Spectrometry; Carbon-13 nuclear magnetic resonance spectroscopy;
    Citing ASTM Standards
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    Work Item Status

    Date Initiated:

    Technical Contact:
    David Mullen

    Draft Under Development