GB/T 29493.2-2021
Determination of harmful substances in textile dyeing and finishing auxiliaries—Part 2: Determination of perfluorinated compounds (PFCs) (English Version)

Standard No.

GB/T 29493.2-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 29493.2-2021

Replace

GB/T 29493.2-2013

Scope

This document specifies the method for the determination of 27 ionic perfluorinated compounds in textile dyeing and finishing auxiliaries by liquid chromatography-tandem mass spectrometry (LC-MS/MS), and the determination by gas chromatography-mass spectrometry (GC-MS) Methods for the content of 4 fluorinated telomer alcohols (FTOH) and 3 fluorinated acrylates (FTA) in textile dyeing and finishing auxiliaries. This document is applicable to the determination of 34 perfluorinated compounds (see Appendix A) in various textile dyeing and finishing auxiliaries.

GB/T 29493.2-2021 Referenced Document

• GB/T 6682 Water for analytical laboratory use.Specification and test methods
• GB/T 8170-2008 Rules of rounding off for numerical values & expression and judgement of limiting values

GB/T 29493.2-2021 history

• 2021 GB/T 29493.2-2021 Determination of harmful substances in textile dyeing and finishing auxiliaries—Part 2: Determination of perfluorinated compounds (PFCs)
• 2013 GB/T 29493.2-2013 Determination of harmful substances in textile dyeing and finishing auxiliaries.Part 2:Determination of perfluorooctane sulfonates and perfluorooctanoicacid.HPLC-MS/MS method

GB/T 29493.2-2021 -All Parts