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

Current stage: 50.20 Effective date: 9 gush 2024

Originator: ISO

Owner: ISO/TC 61/SC 12

Type: International Standard

ICS: 83.080.10

Gjuha: anglisht

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Statusi: Draft

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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
9 gush 2024

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