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SN/T 2005.2-2005: Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1: Gas chromatography - mass spectrometry
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| SN/T 2005.2-2005 | English | 399 |
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Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1: Gas chromatography - mass spectrometry
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SN/T 2005.2-2005
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Basic data | Standard ID | SN/T 2005.2-2005 (SN/T2005.2-2005) | | Description (Translated English) | Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1: Gas chromatography - mass spectrometry | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | L04 | | Classification of International Standard | 31.020 | | Word Count Estimation | 10,157 | | Date of Issue | 2005-07-18 | | Date of Implementation | 2006-01-18 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China | | Summary | This standard specifies the electrical and electronic products, polybrominated biphenyls and polybrominated diphenyl ethers by gas chromatography mass spectrometry. This standard applies to electrical and electronic products, polybrominated biphenyls and polybrominated diphenyl ethers determination. | SN/T 2005.2-2005: Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1: Gas chromatography - mass spectrometry
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Determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products - Part 1. Gas chromatography - mass spectrometry
Book of the People's Republic of China Entry and Exit Inspection and Quarantine
Polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products
Determination of part 2. gas chromatography-mass spectrometry
Released on July 17,.2005
2006-01-18 implementation
People's Republic
The General Administration of Quality Supervision, Inspection and Quarantine issued
Foreword
This part is the second part of SN/T 2005.
Appendix A, Appendix B and Appendix C of this part are informative annexes.
This part is proposed and managed by the National Certification and Accreditation Administration.
This part is drafted by the Shenzhen Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, Jilin Province Entry and Exit Inspection and Quarantine
The bureau participated in the drafting.
The main drafters of this section. Liu Li, Li Ying, Zhang Weiya, Wu Jingwu, Wang Hongju, Yan Jun, Liu Zhihong, Xu Dezhen.
This section is the first industry standard for entry-exit inspection and quarantine.
Polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products
Determination of part 2. gas chromatography-mass spectrometry
1 Scope
This section specifies the gas chromatography-mass spectrometry method for the determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products.
This section applies to the determination of polybrominated biphenyls and polybrominated diphenyl ethers in electrical and electronic products.
2 Terms and definitions
The following terms and definitions apply to this section.
2.1
The structural formula of polybrominated biphenyls is shown in Figure 1.
Figure 1 Structure of polybrominated biphenyl
There are a total of 209 isomers of polybrominated biphenyls depending on the number and position of bromine atoms on the benzene ring.
2.2
The structural formula of polybrominated diphenyl ethers is shown in Figure 2.
Figure 2 Structure of polybrominated diphenyl ethers
There are a total of 209 isomers of polybrominated diphenyl ethers depending on the number and position of bromine atoms on the benzene ring.
3 Method summary
The sample was extracted by Soxhlet using toluene as the extraction solvent, and the extract was purified, separated by silica gel column, concentrated, and purified by gas chromatography.
Spectrometer for analysis.
4 reagents and materials
4.1 Toluene. chromatographically pure.
4.2 anhydrous sodium sulfate. excellent grade pure.
4.3 Silica gel. used for chromatography, (60 ~ 100) mesh, activated at 360 ° C (10 ~ 12) h, stored in a desiccator after cooling.
4.4 Concentrated sulfuric acid. excellent grade pure.
4.5 Dichloromethane. chromatographically pure.
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