GB/T 38420-2019Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys - High performance liquid chromatography-tandem mass spectrometry (English PDF)
玩具聚碳酸酯和聚砜材料中双酚A迁移量的测定 高效液相色谱-串联质谱法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
December 31, 2019
Implementation date
December 31, 2019
Scope
GB/T 38420-2019 is the English-translated version of 玩具聚碳酸酯和聚砜材料中双酚A迁移量的测定 高效液相色谱-串联质谱法.
GB/T 38420-2019 is the Chinese standard "Determination of bisphenol A migration in polycarbonate and polysulfone materials in toys - High performance liquid chromatography-tandem mass spectrometry".
Its scope clause reads: 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. Its clauses include terms and definitions; principle; reagents and materials.
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Document preview — GB/T 38420-2019
National Standard of the People's Republic of China
- ICS
- 97.200.50
- Classification
- Y 57
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 terms and definitions
- 4 Principle
- 5 Reagents and materials
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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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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