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
45.29 BHD

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
BH GSO 150-2:2015
GSO 150-2:2013 
Bahraini Standard
Expiration dates for food products - Part 2 : Voluntary expiration dates
BH GSO 2055-1:2016
GSO 2055-1:2015 
Bahraini Technical Regulation
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
 
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements

Recently Published

ISO 19881:2025
 
International Standard
Gaseous hydrogen — Land vehicle fuel containers
ISO 19396-2:2025
 
International Standard
Paints and varnishes — Determination of pH value — Part 2: pH sensors with ISFET technology
ISO 13503-8:2025
 
International Standard
Oil and gas industries including lower carbon energy — Completion fluids and materials — Part 8: Measurement of properties of coated proppants used in hydraulic fracturing
ISO 13400-2:2025
 
International Standard
Road vehicles — Diagnostic communication over Internet Protocol (DoIP) — Part 2: Transport protocol and network layer services