GB/T 38420-2019 English PDF

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GB/T 38420-2019: Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys - High performance liquid chromatography-tandem mass spectrometry
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 38420-2019	279	Add to Cart	3 days	Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys - High performance liquid chromatography-tandem mass spectrometry	Valid

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Basic data

Standard ID: GB/T 38420-2019 (GB/T38420-2019)
Description (Translated English): Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys - High performance liquid chromatography-tandem mass spectrometry
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y57
Classification of International Standard: 97.200.50
Word Count Estimation: 14,197
Date of Issue: 2019-12-31
Date of Implementation: 2019-12-31
Quoted Standard: GB 6675.1; GB 6675.4; GB/T 6682
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the method for the determination of bisphenol A migration in toy polycarbonate and polysulfone materials by high performance liquid chromatography-tandem mass spectrometry. This standard applies to the determination of bisphenol A migration in toy polycarbonate and polysulfone materials. Other polymer materials used in toy products can be determined with reference to this standard after verification.

GB/T 38420-2019: Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys - High performance 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 bisphenol A migration in polycarbonate and polysulfone materials in toys--High performance liquid chromatography-tandem mass spectrometry ICS 97.200.50 Y57 National Standards of People's Republic of China Bisphenol A migration in toy polycarbonate and polysulfone materials HPLC-tandem mass spectrometry 2019-12-31 release 2019-12-31 implementation State Administration of Market Supervision Published by the National Standardization Administration

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents. This standard is proposed by the China Light Industry Federation. This standard is under the jurisdiction of the National Toy Standardization Technical Committee (SAC/TC253). This standard was drafted. Guangdong Entry-Exit Inspection and Quarantine Bureau Inspection and Quarantine Technology Center Toys Baby Products Laboratory, Mingmen (China) Young Children Supplies Co., Ltd., Shenzhen Institute of Metrology and Quality Inspection, Zhejiang Fangyuan Inspection Group Co., Ltd., Jiangsu Entry-Exit Inspection and Quarantine Bureau Light Industry Products and Children's Products Testing Center, Shanghai Entry-Exit Inspection and Quarantine Bureau Mechanical and Electrical Products Testing Technology Center, National Commodity Quality Supervision Supervision and Inspection Center, Guangdong Entry-Exit Inspection and Quarantine Bureau, Guangdong East Toy Testing Center, Beijing China Light Union Certification Center. The main drafters of this standard. Liu Chonghua, Tian Yong, Yu Wenjia, Hong Jinqing, Cai Meizhao, Lin Yin, Liao Shangfu, Chen Dewen, Chen Liqiong, Zhou Yiqi. Bisphenol A migration in toy polycarbonate and polysulfone materials HPLC-tandem mass spectrometry Caution --- Personnel using this standard should have practical experience in regular laboratory work. This standard does not address all possible security issues. question. It is the responsibility of the user to take appropriate safety and health measures and to ensure compliance with the conditions stipulated by relevant national regulations.

1 Scope

This standard specifies the high-performance liquid chromatography-tandem mass spectrometry method for bisphenol A in toy polycarbonate and polysulfone materials. This standard applies to the determination of bisphenol A migration in toy polycarbonate and polysulfone materials. Other polymer materials for toy products After the material is verified, it can be measured with reference to this standard.

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 undated references, the latest version (including all amendments) applies to this document. GB 6675.1 Toy Safety Part 1. Basic Specifications GB 6675.4 Toy Safety Part 4. Migration of Specific Elements GB/T 6682 Analytical laboratory water specifications and test methods

3 terms and definitions

GB 6675.1, GB 6675.4, and the following terms and definitions apply to this document. 3.1 Toy All products or materials designed or intended for use by children under 14 years of age. 3.2 Method limit of quantification; LOQ When the same method as the sample analysis is used, the minimum concentration of the target substance can be quantitatively detected.

4 Principle

Water was used to extract bisphenol A from polycarbonate and polysulfone material samples, and the extract was subjected to high performance liquid chromatography-tandem mass spectrometry (HPLC- MS/MS) for qualitative and quantitative analysis.

5 Reagents and materials

5.1 Water, GB/T 6682, Class 1. 5.2 Methanol, chromatographically pure. 5.3 Bisphenol A reference material, purity ≥99.5%, see Table A.1 in Appendix A. 5.4 Bisphenol A standard stock solution. Accurately weigh an appropriate amount of bisphenol A standard material (5.3), and prepare the mass concentration with methanol to ......

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