GB/T 39606-2020 English PDF

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GB/T 39606-2020: Textiles - Determination of paraben esters antibacterial agents
Status: Valid

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Basic data

Standard ID: GB/T 39606-2020 (GB/T39606-2020)
Description (Translated English): Textiles - Determination of paraben esters antibacterial agents
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W04
Classification of International Standard: 59.080.01
Word Count Estimation: 14,193
Date of Issue: 2020-12-14
Date of Implementation: 2021-07-01
Quoted Standard: GB/T 6682
Regulation (derived from): National Standard Announcement No. 28 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the high performance liquid chromatography and liquid chromatography-tandem mass spectrometry methods for the determination of 7 paraben antibacterial agents in textiles. This standard applies to all types of textiles.

GB/T 39606-2020: Textiles - Determination of paraben esters antibacterial agents

---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 paraben antibacterial agents) ICS 59:080:01 W04 National Standards of People's Republic of China Determination of paraben antibacterial agents in textiles 2020-12-14 release 2021-07-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Foreword

This document is in accordance with the provisions of GB/T 1:1-2020 Standardization Guidelines Part 1: Structure and Drafting Rules of Standardization Documents Drafting: Please note that certain contents of this document may involve patents: The issuing agency of this document is not responsible for identifying patents: This document was proposed by China National Textile and Apparel Council: This document is under the jurisdiction of the National Textile Standardization Technical Committee (SAC/TC209): Drafting organizations of this document: Zhejiang Institute of Inspection and Quarantine Science and Technology, Foshan Rui Niu Garment Co:, Ltd:, Zhengzhou Fenglin Nonwoven Technology Co:, Ltd:, Hangzhou Quality and Technical Supervision and Inspection Institute, Xiamen Yinchao Technology Co:, Ltd:, Zhejiang Shengfa Textile Printing and Dyeing Co:, Ltd:, China Textile Standard (Shenzhen) Testing Co:, Ltd:, Xiamen Huaxi Knitting Co:, Ltd:, Jinjiang China Textile Standard Testing Co:, Ltd:, Textile Industry Standardization Institute, Zhejiang Jiangxi University of Science and Technology, Guangdong Xinhuwei Industrial Investment Co:, Ltd:, Ningbo Fiber Inspection Institute, Chinese Academy of Inspection and Quarantine, Ningbo Inspection and Quarantine Epidemic Science Research Institute, Zhejiang Youquan Nursing Products Technology Co:, Ltd:, Nanjing Customs Industrial Product Testing Center: The main drafters of this document: Wu Gang, Si Ying, Jin Meiju, Wang Yan, He Jiangang, Tian Xiaohui, Wang Lijun, Zhang Mengyao, Chen Haixiang, Wu Guojian, Ouyang Yuehua, Xi Guangcheng, Fu Kejie, Ding Youchao, Yan Yingpeng, Yin Meifen, Zhang Mingyu, Ying Suling, Zhang Jinhui, Zhi Weiqiang, Lin Pengxiang, Sun Xudong, Ye Chaowen, Zhu Jianfang: Determination of paraben antibacterial agents in textiles Warning: The personnel using this document should have practical experience in formal laboratory work: This document does not indicate all possible security 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 specifies the high-performance liquid chromatography and liquid chromatography-tandem mass spectrometry methods for the determination of 7 paraben antibacterial agents in textiles: This document applies to all types of textiles:

2 Normative references

The contents of the following documents constitute indispensable clauses of this document through normative references in the text: Among them, dated quotations Only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document: GB/T 6682 Analytical laboratory water specifications and test methods

3 Terms and definitions

There are no terms and definitions that need to be defined in this document:

4 Principle

After the sample is ultrasonically extracted with methanol, use high-performance liquid chromatography-diode array detector (HPLC-DAD) or liquid chromatography-series mass spectrometry Spectrometer (LC-MS/MS) was used for qualitative analysis, and external standard method was used for quantification:

5 Reagents and materials

Unless otherwise specified, the reagents used are all chromatographically pure, and the chromatographic water is first-grade water that meets the requirements of GB/T 6682: 5:1 Methanol: 5:2 Methyl Paraben (MP): CAS No: 99-76-3 (purity ≥80%): 5:3 Ethyl Paraben (EP): CAS No: 120-47-8 (purity ≥97:5%): 5:4 Propyl Paraben (PP): CAS No: 94-13-3 (purity ≥99%): 5:5 Isopropyl Paraben (IPP): CAS No: 4191-73-5 (purity ≥99%): 5:6 Butyl Paraben (BP): CAS No: 94-26-8 (purity ≥99%): 5:7 Isobutyl Paraben (IBP): CAS No: 4247-02-3 (purity ≥99%): 5:8 Heptyl paraben (HP): CAS number 1085-12-7 (purity ≥99%): 5:9 Standard stock solution: use the standard substances listed in 5:2 to 5:8, and use methanol (5:1) to prepare a single group with a concentration of 1000 mg/L Standard stock solution of fenipodin ester compounds: Note: The standard stock solution is stored in the dark at 0℃ ~ 4℃, and the validity period is 6 months: 5:10 Standard working solution: Pipette an appropriate amount of each of the 7 paraben ester compound stock solutions into the same volumetric flask and prepare them with methanol ......

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