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ISO/FDIS 21257

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

General information

50.20     Aug 9, 2024

ISO

ISO/TC 61/SC 12

International Standard

83.080.10  

English  

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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

PREVIOUSLY

Revises
ISO 21257:2018

NOW

IN_DEVELOPMENT
ISO/FDIS 21257
50.20 Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Aug 9, 2024

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