CATEGORIES

    GB/T 18446-2009
    Binders for paints and varnishes - Determination of monomeric diisocyanates in isocyanate resins

    GB/T 18446-2009 "Binder for paints and varnishes — Determination of monomeric diisocyanates in isocyanate resins" specifies a method for determining the content of monomeric diisocyanates and is applicable to the testing of relevant binder products. The sample is diluted with a solvent and purified, then separated and detected using a gas chromatograph equipped with a hydrogen flame ionization detector, with quantification performed by the external standard method. The detection requires instruments such as a gas chromatograph, capillary chromatographic column, and analytical balance, providing technical support for controlling the content of harmful monomers in binder products.

    This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
    Status Active
    CCS G50 ICS 87.040
    Release Date 2009-06-02 00:00:00 Implementation Date 2010-02-01 00:00:00

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