GB/T 41710-2022 English PDF

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GB/T 41710-2022: Determination of prohibited lincomycin and clindamycin in cosmetics - Liquid chromatography-tandem mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41710-2022	189	Add to Cart	3 days	Determination of prohibited lincomycin and clindamycin in cosmetics - Liquid chromatography-tandem mass spectrometry	Valid

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Basic data

Standard ID: GB/T 41710-2022 (GB/T41710-2022)
Description (Translated English): Determination of prohibited lincomycin and clindamycin in cosmetics - Liquid chromatography-tandem mass spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y42
Classification of International Standard: 71.100.70
Word Count Estimation: 10,185
Date of Issue: 2022-10-14
Date of Implementation: 2023-05-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41710-2022: Determination of prohibited lincomycin and clindamycin in cosmetics - Liquid chromatography-tandem mass spectrometry

---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.
Determination of prohibited lincomycin and clindamycin in cosmetics -- Liquid chromatography-tandem mass spectrometry ICS 71.100.70 CCSY42 National Standards of People's Republic of China The banned substances lincomycin and clindamycin in cosmetics Determination liquid chromatography-tandem mass spectrometry Published on 2022-10-12 2023-05-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration

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 of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China National Light Industry Federation. This document is under the jurisdiction of the National Standardization Technical Committee of Fragrance, Flavor and Cosmetics (SAC/TC257). This document is drafted by. Jiangsu Provincial Institute of Product Quality Supervision and Inspection, Suzhou Luye Commodity Co., Ltd., Shanghai Xiangyi Herbal Cosmetics Products Co., Ltd., Yangzhou Perfect Commodity Co., Ltd., Suzhou Shipu Testing Technology Co., Ltd., Oushiman Biological Co., Ltd., Suzhou State Quality Inspection Research Institute, Guangzhou Institute of Quality Supervision and Inspection, Infinitus (China) Co., Ltd., Shanghai Flavor Research Institute, Hebei Province Food Quality Inspection Institute, Jiangsu Institute of Food and Drug Supervision and Inspection. The main drafters of this document. Lu Jian, Wang Chenxia, Zhu Dandan, Qu Mei, Fang Fang, Guo Yanhua, Zhang Xiaoqiang, Cao Ling, Liu Dong, Lu Zhi, Kang Wei, Cao Qianwen, Huang Hongxia, Fang Zhaohua, Liu Xianzhao, Xun Zhiqing, Yang Yang, Zhang Zheng, Zhang Yan, Gu Jie, Zhang Qiuyan, Ou Guoli, He Shuang, Ye Jiarong, Guo Xindong, Huang Jinfeng, Li Peisi, Dai Dan, Ye Zhuhong, Li Shuqin, Chen Yanhuan, Zhang Fang, Pu Xin, Wu Zhongping.

Introduction

The tested substances in this document are prohibited raw materials stipulated in my country's "Cosmetics Safety Technical Specifications (2015 Edition)". Prohibited raw materials refer to substances that cannot be used as cosmetic raw materials. "Cosmetics Safety Technical Specifications (2015 Edition)" stipulates that if the technical When it is unavoidable that the prohibited substances are brought into cosmetics as impurities, the limited amount stipulated by the state shall comply with its regulations; if the limit is not specified, the Safety risk assessment to ensure that there is no harm to human health under normal, reasonable and foreseeable conditions of use. At present, my country has not stipulated the limit values of these substances. The formulation of this document only provides detection methods for the determination of these substances in cosmetics. The banned substances lincomycin and clindamycin in cosmetics Determination liquid chromatography-tandem mass spectrometry Caution - Persons using this document should have practical experience in formal laboratory work. This document does not address all possible security issues question. It is the user's responsibility to take appropriate safety and health measures and to ensure compliance with the relevant state regulations.

1 Scope

This document describes the principles, reagents, materials, Equipment, test procedures, test data processing, recovery rate, precision, etc. This document is applicable to the determination of lincomycin and clindamycin in water-based, non-wax-based creams and emulsion cosmetics. The detection limit and quantification limit of lincomycin and clindamycin in this document. the detection limit is 0.1 mg/kg, and the quantification limit is 0.1 mg/kg. 0.3mg/kg.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 6682 Analysis 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 Principles

The sample was extracted with acidified acetonitrile aqueous solution, and the extract was purified by n-hexane, centrifuged and filtered, and then determined by liquid chromatography-tandem mass spectrometry. Standardized quantification.

5 Reagents and Materials

Unless otherwise specified, all reagents used are chromatographically pure. 5.1 Water. GB/T 6682, Class I. 5.2 Acetonitrile. 5.3 n-hexane. 5.4 Formic acid. 5.5 0.1% formic acid solution. accurately measure 1 mL of formic acid (5.4) into a 1000 mL volumetric flask, dilute with water and dilute to the mark. 5.6 0.1% formic acid in acetonitrile. accurately measure 1 mL of formic acid (5.4) into a 1000 mL volumetric flask, dilute with acetonitrile (5.2) and dilute to scale. 5.7 50% acetonitrile solution (containing 1% formic acid). accurately measure 250 mL of acetonitrile (5.2) into a 500 mL volumetric flask, add 5.0 mL of formic acid ......

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