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GB/T 30937-2014 English PDF

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GB/T 30937-2014: Determination of banned metronidazole in cosmetics -- High performance liquid chromatography-tandem mass spectrometry
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GB/T 30937-2014English209 Add to Cart 3 days [Need to translate] Determination of banned metronidazole in cosmetics -- High performance liquid chromatography-tandem mass spectrometry Valid GB/T 30937-2014

PDF similar to GB/T 30937-2014


Standard similar to GB/T 30937-2014

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Basic data

Standard ID GB/T 30937-2014 (GB/T30937-2014)
Description (Translated English) Determination of banned metronidazole in cosmetics -- High performance 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 9,973
Date of Issue 7/8/2014
Date of Implementation 11/1/2014
Quoted Standard GB/T 6682
Regulation (derived from) 2014 National Standards Bulletin No. 18
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the LC - Cosmetics metronidazole tandem mass spectrometry. This standard applies to the determination of creams, lotions, Liquid, powder and other cosmetics metronidazole. The standard method detection limit of 0.003 mg/kg, the lim

GB/T 30937-2014: Determination of banned metronidazole in cosmetics -- High performance liquid chromatography-tandem mass spectrometry


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Determination of banned metronidazole in cosmetics. High performance liquid chromatography-tandem mass spectrometry ICS 71.100.70 Y42 National Standards of People's Republic of China Test substance metronidazole in cosmetics disabled High performance liquid chromatography - tandem mass spectrometry Issued on. 2014-07-08 2014-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of Fragrance Flavor and Cosmetic (SAC/TC257) centralized. This standard was drafted. National Processed Food Quality Supervision and Inspection Center (Shandong), Jiangsu Provincial Quality Supervision and Inspection Institute, Shandong Freda Biological Engineering Co., Ltd., Shanghai Daily Chemical Industry Research Institute, Shanghai Institute of spices. The main drafters of this standard. Jonathan Zhu, ACADAMIC LIBRARY Zhou Lili, Lu Jian, Yang Suzhen, Zhang Hui, Xu Shiming, Zhaowen Gang, Wu Zhongping, Che Jun, Zhang Xiqi, Zheng Hong, Qian Yan.

Introduction

The standard test substance is banned substances of "Hygienic Standard for Cosmetics" shall consist of not as a cosmetic raw material, component Added to cosmetics, if technically unavoidable banned substances as impurities into cosmetics, the finished cosmetic products should follow the "Cosmetics Health standards "General requirements for cosmetics, that is, under normal and reasonably foreseeable conditions of use, should not cause harm to human health. At present, China has not yet specified the substance of limited value, the present standards, the determination of these substances in cosmetics only provide detection methods. Test substance metronidazole in cosmetics disabled High performance liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the LC - Cosmetics metronidazole tandem mass spectrometry. This standard applies to the determination of creams, lotions, Liquid, powder and other cosmetics metronidazole. The standard method detection limit of 0.003mg/kg, limit of quantification was 0.01mg/kg.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 Samples of metronidazole after solvent extraction by liquid chromatography with triple quadrupole mass detector with electrospray ionization source in Positive ion mode detection, external standard.

4 Reagents and materials

Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations. 4.1 acetonitrile (HPLC grade). 4.2 Methanol (HPLC grade). 4.3 formic acid (HPLC grade). Metronidazole 4.4 standard. purity of not less than 99%, metronidazole CAS number, molecular formula, molecular mass and structural formula, see Appendix A. Metronidazole 4.5 standard stock solution. Weigh 10.0mg standard sample in 100mL flask, dissolved in methanol (4.2) and dilute to the mark, shake uniform. This solution per ml metronidazole 100μg. 4 ℃ dark storage. 4.6 microporous membrane. the organic phase, pore size 0.2μm. 4.7 0.5% formic acid solution. amount of 1mL acid, water volume to 200mL, that was 0.5% formic acid solution. 4.8 0.5% formic acid - methanol solution. amount of 1mL acid with methanol to 200mL, that was 0.5% formic acid - methanol solution. 5. Apparatus 5.1 High performance liquid chromatography - mass spectrometry. electrospray ion source and a triple quadrupole mass analyzer. 5.2 Analysis of balance. a sense of the amount of 0.1mg and 0.01g. 5.3 vortex mixer. 5.4 low-speed centrifuge. cooling temperature 4 ℃, rotational speed of at least 8000r/min. 5.5 refrigerator. refrigeration temperature of at least -10 ℃.

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