20.99 8 maj 2024
ISO
ISO/TC 61/SC 12
International Standard
This international standard specifies a method for quantifying the total unsaturation of polyetherpolyols for use in the production of polyurethanes by Raman spectrometric method. It is not applicable to unsaturated compounds that are conjugated with a carbonyl group, a carboxyl group, or a nitrile group.
IN_DEVELOPMENT
ISO/WD 24862
20.99
WD approved for registration as CD
8 maj 2024
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