SN/T 2005.3-2006 English PDF

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SN/T 2005.3-2006	319	Add to Cart	3 days	Determination of polybromobiphenyls and polybromobipheny1 in electrical and electronic equipment. Part 3: GC-FID method	Obsolete

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Basic data

Standard ID: SN/T 2005.3-2006 (SN/T2005.3-2006)
Description (Translated English): Determination of polybromobiphenyls and polybromobipheny1 in electrical and electronic equipment. Part 3: GC-FID method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: L04
Classification of International Standard: 31.020
Word Count Estimation: 8,840
Date of Issue: 2006-04-25
Date of Implementation: 2006-11-15
Regulation (derived from): Industry Standard Notice 2006 No. 7 (No. 79 overall)
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the electrical and electronic products, polybrominated biphenyls and polybrominated diphenyl ethers by gas chromatography flame ionization detector method. This standard applies to electrical and electronic products, polybrominated biphenyls and polybrominated diphenyl ethers determination.

SN/T 2005.3-2006: Determination of polybromobiphenyls and polybromobipheny1 in electrical and electronic equipment. Part 3: GC-FID method

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Determination of polybromobiphenyls and polybromobipheny1 in electrical and electronic equipment.Part 3. GC-FID method Book of the People's Republic of China Entry and Exit Inspection and Quarantine Polybrominated biphenyls in electrical and electronic products and Determination of polybrominated diphenyl ethers - Part 3. Gas chromatography-hydrogen flame ionization detector Released on.2006-04-25 Implementation of.2006-11-15 People's Republic The General Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

This part is the third part of SN/T 2005. Appendix A and Appendix B of this part are informative annexes. This part is proposed and managed by the National Certification and Accreditation Administration. This part is from the Shenzhen Entry-Exit Inspection and Quarantine Bureau of the People's Republic of China, the Guangdong Entry-Exit Inspection and Quarantine Bureau, and the Fujian Entry-Exit Inspection and Quarantine Bureau. Is responsible for drafting. The main drafters of this section. Zhang Weiya, Li Ying, Wu Jingwu, Liang Ming, Liu Zhihong, Liu Li, Zhou Minghui, Wang Chengyun, Liu Yingfeng, Jiang Xiaoli. This section is the first industry standard for entry-exit inspection and quarantine. Polybrominated biphenyls in electrical and electronic products and Determination of polybrominated diphenyl ethers - Part 3. Gas chromatography-hydrogen flame ionization detector

1 Scope

This section specifies the determination method of gas chromatography-hydrogen flame ionization detector for 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 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 treated by gas chromatography-hydrogen Determined by flame ionization detector method and quantified by internal standard method.

3 reagents and materials

3.1 Toluene. chromatographically pure. 3.2 anhydrous sodium sulfate. excellent grade pure. 3.3 Silica gel. For chromatography, 60 mesh to 100 mesh, activated at 360 ° C for 10 h to 12 h, and stored in a desiccator after cooling. 3.4 Concentrated sulfuric acid. excellent grade pure. 3.5 Dichloromethane. chromatographically pure. 3.6 Quartz wool. Wash with methylene chloride or bake at 400 ° C for 4 h. 3.7 Liquid nitrogen. industrial grade. 3.8 Polybrominated biphenyls (PBBs) reference materials. purity greater than 98%. 3.9 PBBs standard solution. accurately weigh 10.0mg PBBs standard (3.8), placed in a 100mL volumetric flask, diluted with toluene Mix to the scale. The concentration of this solution was 100 mg/L. 3.10 Polybromobiphenylethers PBDEs standard solution. 50 mg/L isooctane solution. 3.11 Internal standard. The purity of decachlorobiphenyl is greater than 98%. 3.12 Standard stock solution of internal standard. accurately weigh the appropriate amount of internal standard (3.11), and prepare a standard storage with concentration of 10mg/mL with toluene. Preparation. 3.13 Internal standard solution. Take appropriate amount of internal standard standard stock solution and dilute it to the appropriate concentration solution as needed. 3.14 Mixed standard working solution. Take appropriate amount of internal standard solution and PBBs, PBDEs standard solution, dilute toluene as needed according to need Degree of mixing standard working solution.

4 Instruments and equipment

4.1 Gas Chromatograph. Hydrogen Flame Ionization Detector (GC-FID). 4.2 Analytical balance. Sensitivity 0.1mg. 4.3 Soxhlet extraction device. 4.4 Rotate the evaporator. 4.5 Volumetric flask. 5mL, 10mL, 100mL. 4.6 Crusher or similar equipment. 4.7 20mm × 150mm plug glass column. ......

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