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GB/T 38741-2020 English PDF

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GB/T 38741-2020: Oral care and cleansing products - Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes - High performance liquid chromatography
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GB/T 38741-2020English259 Add to Cart 3 days [Need to translate] Oral care and cleansing products - Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes - High performance liquid chromatography Valid GB/T 38741-2020

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Basic data

Standard ID GB/T 38741-2020 (GB/T38741-2020)
Description (Translated English) Oral care and cleansing products - Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes - High performance liquid chromatography
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard Y43
Classification of International Standard 71.100.40
Word Count Estimation 14,175
Date of Issue 2020-04-28
Date of Implementation 2020-11-01
Quoted Standard GB/T 6682
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration
Summary This standard specifies the principles, reagents or materials, and instruments for the determination of the content of five fungicides in toothpaste: chlorhexidine, nitrofurazone, diclofenac, chloroxylenol and hexamidine bis(isethionate) salt by high performance liquid chromatography Equipment, experimental procedures, experimental data processing, limits of detection and quantification, recovery and precision. This standard applies to the determination of chlorhexidine, nitrofurazone, diclofenac, chloroxylenol and hexamidine bis(isethionate) salt in toothpaste.

GB/T 38741-2020: Oral care and cleansing products - Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes - High performance liquid chromatography



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Oral care and cleansing products--Determination of chlorhexidine, furacin, diclofenac, chloroxylenol and hexamidine diisethionate in toothpastes--High performance liquid chromatography ICS 71.100.40 Y43 National Standards of People's Republic of China Chlorhexidine and furan in oral care products Cillin, diclofenac, chloroxylenol and hexamidine Determination of the contents of 5 kinds of fungicides of (hydroxyethylsulfonic acid) salt High performance liquid chromatography 2020-04-28 release 2020-11-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard was proposed by the China National Light Industry Council. This standard is under the jurisdiction of the National Standardization Technical Committee for Oral Care Products (SAC/TC492). This standard was drafted by. Suzhou Shipu Testing Technology Co., Ltd., Guangzhou Huaxin Testing Technology Co., Ltd., Suzhou Luye Commodity Co., Ltd. Company, Suzhou Quality Inspection Scientific Research Institute, Guangzhou Quality Supervision Inspection Research Institute, Heilongjiang Light Industry Scientific Research Institute, Prince Frog (China) Daily Chemical Co., Ltd., Infinitus (China) Co., Ltd., Jiangsu Product Quality Supervision and Inspection Institute, Hebei Food Inspection Institute, Jiangsu Provincial Food and Drug Supervision and Inspection Institute, Jiangsu Provincial Drug Administration Suzhou Inspection Branch, Suzhou Drug Inspection and Testing Research Center, Chang Municipal Food and Drug Supervision and Inspection Center, Changzhou Inspection and Testing Standards Certification Institute. The main drafters of this standard. Xunzhiqing, Song Shuwen, Ye Zhuhong, Liu Dong, Dai Dan, Shang Wei, Wang Jing, Meng Yu, Zhang Zheng, Zhang Yan, Chen Jiefeng, Sun Hongmei, Wen Wenzhong, Zhou Qi, Chu Yeguo, Chen Wei, Li Hongyu, Li Yingyi, Shi Bing, Wang Chenxia, Li Dongliang, Guo Yanhua, Zhu Dandan, Guo Xindong, Wu Yuluan, Huang Zhining, Liu Qunlin, Gao Hongying, Zhu Yirong, Zhou Fei, Wu Yanpeng, Guo Mengting, Lu Jian. Chlorhexidine and furan in oral care products Cillin, diclofenac, chloroxylenol and hexamidine Determination of the contents of 5 kinds of fungicides of (hydroxyethylsulfonic acid) salt High performance liquid chromatography

1 Scope

This standard stipulates five kinds of sterilization of chlorhexidine, furancillin, diclofenac, chloroxylenol and hexamidine bis (hydroxyethylsulfonate) salt in toothpaste Principles, reagents or materials, instruments and equipment, test procedures, test data processing, detection limits and quantification of the determination of reagent content by high performance liquid chromatography Limits, recovery and precision. This standard is applicable to the content of chlorhexidine, furancillin, diclofenac, chloroxylenol, and hexamidine bis (hydroxyethylsulfonate) in toothpaste. Determination.

2 Normative references

The following documents are essential for the application of this document. For dated references, only the dated version applies to this article Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document. GB/T 6682 Analysis laboratory water specifications and test methods

3 Principle

After ultrasonic extraction of the formic acid-methanol-water mixed solution, the sample was determined by high-performance liquid chromatography, qualitative by retention time, and quantified by external standard method.

4 Reagents or materials

Unless otherwise stated, the reagents used are of analytical grade, and the water is the first grade water specified in GB/T 6682. 4.1 Formic acid. chromatographically pure. 4.2 Trifluoroacetic acid. chromatographically pure. 4.3 Methanol. chromatographic grade. 4.4 0.1% formic acid in methanol. Pipette 1mL of formic acid (see 4.1) accurately and dilute to 1L with methanol (see 4.3). 4.5 0.1% formic acid solution. Pipette 1mL formic acid accurately (see 4.1), dilute to 1L with water. 4.6 Formic acid-methanol-water mixed solution. accurately measure 80mL of 0.1% formic acid in methanol (see 4.4) and 20mL of 0.1% formic acid in solution (see 4.5), mix well. 4.7 0.1% trifluoroacetic acid methanol solution. accurately transfer 1mL trifluoroacetic acid (see 4.2), diluted with methanol (see 4.3) to 1L. 4.8 0.1% trifluoroacetic acid solution. Pipette 1mL trifluoroacetic acid accurately (see 4.2), dilute to 1L with water. 4.9 Reference materials. chlorhexidine, furancillin, diclofenac, chloroxylenol, and hexamidine di (hydroxyethylsulfonate) salt, purity ≥98% For the article name, English name, CAS number, molecular formula, relative molecular mass and structural formula, see Table A.1 in Appendix A. 4.10 Standard stock solution (each 1000mg/L). accurately weigh the standard substance of hexamidine bis (hydroxyethylsulfonate) salt (see 4.9) 0.1g (accurate To 0.1mg), placed in a 100mL brown volumetric flask, dissolved in water and made to volume. Accurately weigh chlorhexidine, furacillin, diclofenac, chlorodi

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