GB/T 28191-2011
Surface active agents.Detergents.Anionic-active matter stable to acid hydrolysis.Determination of trace amounts (English Version)

Standard No.

GB/T 28191-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

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

Latest

GB/T 28191-2011

Scope

This standard specifies the method for the determination of small amounts of stable anionic actives in detergents after hydrolysis of anionic actives in the presence of excess acid reflux. This standard is applicable to the determination of cyclic sulfonates in alkylphenol ether sulfates, a small amount of sulfonates in fatty alcohol ether sulfates and sulfated fatty alcohols.

GB/T 28191-2011 Referenced Document

• GB/T 5173 Surface active agents—Detergents—Determination of anionic-active matter content—Direct two-phase titration procedure*， 2018-12-28 Update

GB/T 28191-2011 history

• 2011 GB/T 28191-2011 Surface active agents.Detergents.Anionic-active matter stable to acid hydrolysis.Determination of trace amounts