GB/T 42238-2022
Surface active agents—Determination of free propylene oxide content in propylene oxide adduct surfactants—GC method (English Version)

Standard No.

GB/T 42238-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 42238-2022

Scope

This document describes a gas chromatographic method for the determination of free propylene oxide in multi-component block copolymer surfactant products. This document is applicable to the determination of free propylene oxide content in surfactant products that use polypropylene glycol structure substances as raw materials.

GB/T 42238-2022 Referenced Document

• GB/T 13173 Surface active agents—Test methods for detergents
• GB/T 6682 Water for analytical laboratory use.Specification and test methods

GB/T 42238-2022 history

• 2022 GB/T 42238-2022 Surface active agents—Determination of free propylene oxide content in propylene oxide adduct surfactants—GC method