ISO 21257:2024
International Standard
Current Edition
·
Approved on
23 October 2024
Plastics — Polymer polyols for use in the production of polyurethanes — Determination of the residual acrylonitrile and styrene monomer content by gas chromatography
ISO 21257:2024 Files
English
15 Pages
Current Edition
110.95 USD
ISO 21257:2024 Scope
This document specifies a method for the determination of the residual acrylonitrile monomer and styrene monomer in polymer polyols by gas chromatography.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates

YSMO GSO 150-2:2020
GSO 150-2:2013
Yemeni Technical Regulation
Expiration dates for food products - Part 2 :
Voluntary expiration dates


GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements

GSO 150-1:2013
Gulf Technical Regulation
Expiration dates for food products -Part 1 : Mandatory expiration dates

Recently Published
ISO 6289:2025
International Standard
Skis — Vocabulary

ISO 13402:2025
International Standard
Surgical and dental hand instruments — Determination of resistance against autoclaving, corrosion and thermal exposure

ISO/TS 24315-1:2025
International Standard
Intelligent transport systems — Management of electronic traffic regulations (METR) — Part 1: Vocabulary

ISO 17633:2025
International Standard
Welding consumables — Tubular cored electrodes and rods for gas shielded and non-gas shielded metal arc welding of stainless and heat-resisting steels — Classification
