Standard No.:	GB/T 20384-2024
English Name:	Textiles—Determination of chlorobenzenes and chlorinated toluenes
Chinese Name:	纺织品 氯化苯和氯化甲苯类化合物的测定
Chinese Classification:	W04    Basic standards and general methods
Professional Classification:	GB    National Standard
ICS Classification:	59.080.01 59.080.01     Textiles in general 59.080.01
Source Content Issued by:	SAMR; SAC
Issued on:	2024-3-15
Implemented on:	2024-10-1
Status:	valid
Superseding:	GB/T 20384-2006 Textiles - Determination of the residual chlorobenzenes and chlorinated toluenes
Target Language:	English
File Format:	PDF
Word Count:	7000 words
Translation Price(USD):	210.0
Delivery:	via email in 1~2 business day

Textiles - Determination of chlorobenzenes and chlorinated toluenes WARNING — Persons using this document shall be familiar with normal laboratory practice. This document does not purport to address all of the safety problems, if any, associated with its use. It is the responsibility of the user to establish appropriate safety and health practices and to ensure compliance with any national regulatory conditions. 1 Scope This document describes a test method for the determination of 29 chlorobenzenes and chlorinated toluenes in textiles by the gas chromatography-mass spectrometry (GC-MS). This document is applicable to all kinds of textiles. 2 Normative references There are no normative references in this document. 3 Terms and definitions No terms and definitions are listed in this document. 4 Principle The samples are extracted by dichloromethane ultrasonic, measured by GC-MS, and quantified by selective ion monitoring mode and external standard method.

Contents Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagents or materials 6 Instruments and equipment 7 Test procedure 8 Calculation and expression of results 9 Limit of quantification and precision 10 Test report Annex A (Normative) Basic information of chlorobenzenes and chlorinated toluenes Annex B (Normative) Gas chromatography-mass spectrometry analysis conditions Annex C (Informative) GC-MS total ion flow chromatograms of chlorobenzenes and chlorinated toluenes