Standard No.:	GB/T 44722-2024
English Name:	Textiles―Determination of quinoline
Chinese Name:	纺织品 喹啉的测定
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:	2024-9-29
Implemented on:	2025-4-1
Status:	valid
Target Language:	English
File Format:	PDF
Word Count:	4000 words
Translation Price(USD):	120.0
Delivery:	via email in 1~3 business day

GB/T 44722-2024 Textiles — Determination of quinoline 1 Scope This document describes a test method for the determination of quinoline residues in textiles by gas chromatography-mass spectrometry (GC-MS). This document is applicable to various textiles. 2 Normative references The following documents contain requirements which, through reference in this text, constitute provisions of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. No normative references are listed in this document. 3 Terms and definitions No terms and definitions are listed in this document. 4 Principle The sample can be extracted by ultrasonic extraction with methanol, and the extracted liquid can be filtered by microporous filter membrane, determined by gas chromatography⁃mass spectrometry and quantified by external standard method.

Contents Foreword 1 Scope 2 Normative references 3 Terms and definitions 4 Principle 5 Reagent 6 Apparatus 7 Test procedures 8 Calculation and representation of results 9 Limit of quantification and precision 10 Test report Annex A (Informative) Gas chromatography-mass spectrometry analysis conditions