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GB/T 31126.2-2024 English PDF

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US$199.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 31126.2-2024: Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 31126.2-2024	199	Add to Cart	3 days	Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method	Valid

Similar standards

GB/T 31899 GB/T 32008 GB/T 31127 GB/T 18414 GB/T 31126

Basic data

Standard ID: GB/T 31126.2-2024 (GB/T31126.2-2024)
Description (Translated English): Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.080.01
Word Count Estimation: 10,123
Date of Issue: 2024-11-28
Date of Implementation: 2025-06-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 31126.2-2024: Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2: Gas chromatography-mass spectrometry method

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Textiles - Determination of perfluorinated and polyfluorinated compounds - Part 2.Gas chromatography-mass spectrometry method Determination of perfluorinated and polyfluorinated compounds in textiles Part 2.Gas chromatography-mass spectrometry Textiles-Determination of perfluorinated and polyfluorinated compounds- Part 2.Gas chromatography-mass spectrometry method ICS 59.080.01 CCS W 04 National Standard of the People's Republic of China Released on 2024-11-28 2025-06-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting is required. This document is Part 2 of GB/T 31126 “Determination of perfluorinated and polyfluorinated compounds in textiles”. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China National Textile and Apparel Council. This document is under the jurisdiction of the National Technical Committee on Standardization of Textiles (SAC/TC 209). This document was drafted by. Shenzhen Institute of Metrology and Quality Inspection, China Textile Standards (Shenzhen) Testing Co., Ltd., China Textile Standards Inspection and Certification Co., Ltd. Co., Ltd., Shaoxing Keqiao District Textile Technology Co., Ltd., Jiangsu Beibao Silk Products Co., Ltd., Changxing Xinhao Textile Co., Ltd. Ltd., China Textile Standards (Fujian) Testing Co., Ltd., Shaoxing Quality and Technical Supervision Testing Institute, Quanzhou Bogeng Biotechnology Co., Ltd., Guangdong New Huwei Industrial Investment Co., Ltd. and Zhejiang Eco-Textiles Banned Dyes and Chemicals Testing Center Co., Ltd. The main drafters of this document are. Wang Chunlan, Zhang Haixuan, Wang Jiangang, Liu Feifei, Teng Wanhong, Ren Hang, Li Xiang, Wu Dongping, Xiao Ding, Jiang Xiaocheng, Yao Shun, Shen Huikang, Liang Jiajun.

Introduction

GB/T 31126 is a standard for the test method for the determination of perfluorinated and polyfluorinated compounds in textiles. Part 1 of GB/T 31126 describes This document is part 2 of GB/T 31126. The following parts are described in this section. Test method for determination of per- and poly-fluorinated compounds in textiles by gas chromatography-mass spectrometry. Divided into components. Part 1.Liquid chromatography-mass spectrometry. The purpose is to specify the reagents, instruments, equipment, and test procedures used in liquid chromatography-mass spectrometry. Steps, result calculation and other related requirements. Part 2.Gas chromatography-mass spectrometry. The purpose is to specify the reagents, instruments, equipment, and test procedures used in gas chromatography-mass spectrometry. Steps, result calculation and other related requirements. Determination of perfluorinated and polyfluorinated compounds in textiles Part 2.Gas chromatography-mass spectrometry Warning. Personnel using this document should have practical experience in formal laboratory work. This document does not address all possible safety issues. The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated by relevant national laws and regulations.

1 Scope

This document describes the determination of 10 per- and polyfluorinated compounds (see Appendix A) methods. This document applies to all types of textile products.

2 Normative references

The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies. in this document. GB/T 8170 Rules for rounding off values and expression and determination of limit values

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Principle

The perfluorinated and polyfluorinated compounds in the sample were extracted with tert-butyl methyl ether by ultrasonic. The extract was concentrated and filtered through a microporous membrane. Qualitative analysis was performed by GC-MS and quantitative analysis was performed by external standard method.

5 Reagents

Unless otherwise specified, all reagents were of analytical grade. 5.1 Tert-Butyl Methyl Ether. Chromatographic grade. 5.2 Perfluorobutylethanol (4.2FTOH). CAS No. 2043﹘47﹘2, purity ≥97.0%. 5.3 Perfluorohexylethanol (6.2FTOH). CAS No. 647﹘42﹘7, purity ≥97.0%. 5.4 Perfluorooctylethanol (8.2FTOH). CAS No. 678﹘39﹘7, purity ≥97.0%. 5.5 Perfluorodecylethanol (10.2FTOH). CAS No. 865﹘86﹘1, purity ≥96.0%. 5.6 Perfluorohexylethyl acrylate (6.2FTA). CAS No. 17527﹘29﹘6, purity ≥97.0%. 5.7 Perfluorooctyl ethyl acrylate (8.2FTA). CAS No. 27905﹘45﹘9, purity ≥97.0%. 5.8 Perfluorodecyl ethyl acrylate (10.2FTA). CAS No. 17741﹘60﹘5, purity ≥95.0%. 5.9 Methyl perfluorooctanoate (Me﹘PFOA). CAS No. 376﹘27﹘2, purity ≥95.0%. 5.10 Ethyl perfluorooctanoate (Et﹘PFOA). CAS No. 3108﹘24﹘5, purity ≥95.0%. 5.11 2﹘(perfluorooctyl)ethyl methacrylate (8.2FTMA). CAS No..1996﹘88﹘9, purity ≥97.0%. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 31126.2-2024_English be delivered?

Answer: Upon your order, we will start to translate GB/T 31126.2-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 31126.2-2024_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 31126.2-2024_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.