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SN/T 2787-2011 PDF English

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SN/T 2787-2011: Determination of polybromobiphenyl ethers in imported and exported box. Gas chromatography-mass spectrography method
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SN/T 2787-2011English259 Add to Cart 3 days [Need to translate] Determination of polybromobiphenyl ethers in imported and exported box. Gas chromatography-mass spectrography method

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Basic data

Standard ID SN/T 2787-2011 (SN/T2787-2011)
Description (Translated English) Determination of polybromobiphenyl ethers in imported and exported box. Gas chromatography-mass spectrography method
Sector / Industry Commodity Inspection Standard (Recommended)
Classification of Chinese Standard Y33
Classification of International Standard 85.080
Word Count Estimation 10,116
Date of Issue 2011-02-25
Date of Implementation 2011-07-01
Regulation (derived from) ?AQSIQ-Inspection [2011] 90
Issuing agency(ies) General Administration of Customs
Summary This standard specifies the import and export carton PBDEs by gas chromatography-mass spectrometry. This standard applies to the determination of the import and export carton polybrominated diphenyl ethers.

SN/T 2787-2011: Determination of polybromobiphenyl ethers in imported and exported box. Gas chromatography-mass spectrography method




---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 polybromobiphenyl ethers in imported and exported box.Gas chromatography-mass spectrography method People's Republic of China Entry-Exit Inspection and Quarantine Standards Determination of the import and export carton PBDE Gas chromatography - mass spectrometry Issued on. 2011-02-25 2011-07-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Jiangsu Entry-Exit Inspection and Quarantine Bureau, People's Republic of China Tianjin Entry-Exit Inspection and Quarantine Bureau, Changzhou import and export of industrial and consumer product safety testing center. The main drafters of this standard. Liu Junfeng, Lining Tao, China Su Qian, Wang Ye, Kouhai Juan. Determination of the import and export carton PBDE Gas chromatography - mass spectrometry

1 Scope

This standard specifies the import and export carton PBDE gas chromatography - mass spectrometry. This standard applies to the determination of import and export carton polybrominated diphenyl ethers. Structure 2 PBDE Polybrominated diphenyl ethers (polybromobiphenylethers; PBDEs) structural formula shown in Figure 1. PBDEs structure of more than one Principle 3 The sample was cut using toluene as the extraction solvent by Soxhlet extraction. The extract was purified by silica gel column after the solid phase and concentrated by gas chromatography - Mass spectrometers, external standard.

4 Reagents and materials

Unless otherwise specified, the reagents used were of analytical grade. 4.1 Toluene. chromatography. 4.2 a seven PBDEs polybrominated diphenyl ethers standard stock solution. See Appendix A. 4.3 OctaBDE, NonaBDE and decaBDE standards. purity ≥97%. 4.4 Preparation of polybrominated diphenyl ethers (PBDEs) standard working solution. Pipette a bromobenzilic seven PBDE standard stock solution (4.2) The amount of body Product, while accurately weighed amount of OctaBDE, NonaBDE and decaBDE standard (4.3), diluted with toluene (4.1) and set the volume To the mark, dubbed the series of standard working solution of the desired concentration. 4.5 SiOH silica gel column. 1000mg/6mL. 5. Apparatus 5.1 Gas chromatography - mass spectrometry (GC/MS), with EI source. ...

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