ISO 21257:2018Withdrawn

Plastics — Polymer polyols for use in the production of polyurethane — Determination of the residual acrylonitrile and styrene monomer content by gas chromatography

Titre manque

This edition has been replaced by ISO 21257:2024.

Abstract / scope

This document specifies a method for the determination of the residual acrylonitrile monomer and styrene monomer in polymer polyols by gas chromatography.

Life cycle

Replaced by

ISO 21257:2024PublishedPlastics — Polymer polyols for use in the production of polyurethanes — Determination of the residual acrylonitrile and styrene monomer content by gas chromatographyInternational Standard · Published 23 Oct 2024 · ISO/TC 61/SC 12