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US$629.00 · In stock Delivery: <= 5 days. True-PDF full-copy in English will be manually translated and delivered via email. SN/T 3543-2013: Determination of hexabromocyclododecane(HBCD) in food for export. Liquid chromatography-tandem mass spectrometry method Status: Valid
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Determination of hexabromocyclododecane(HBCD) in food for export. Liquid chromatography-tandem mass spectrometry method
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SN/T 3543-2013
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Basic data | Standard ID | SN/T 3543-2013 (SN/T3543-2013) | | Description (Translated English) | Determination of hexabromocyclododecane(HBCD) in food for export. Liquid chromatography-tandem mass spectrometry method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | X04 | | Classification of International Standard | 67.050 | | Word Count Estimation | 24,289 | | Quoted Standard | GB/T 6682 | | Regulation (derived from) | AQSIQ notification issued in 2013 on the first batch of 179 entry-exit inspection and quarantine of industry standards; industry standard for filing Notice 2013 No. 9 (No. 165 overall) | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food of three six HBCD isomers (��-HBCD, ��-HBCD and ��-HBCD) content of liquid chromatography - mass spectrometry/mass spectrometry. This standard applies to fish, shrimp, eggs and other foods (��-HBCD, ��-HBCD and ��-HBCD) Determin |
SN/T 3543-2013: Determination of hexabromocyclododecane(HBCD) in food for export. Liquid chromatography-tandem mass spectrometry 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 hexabromocyclododecane (HBCD) in food for export.Liquid chromatography-tandem mass spectrometry method
People's Republic of China Entry-Exit Inspection and Quarantine Standards
Determination of food exports dodecane hexabrominated ring
Liquid chromatography - mass spectrometry/mass spectrometry
Determinationofhexabromocyclododecane (HBCD) infoodforexport-
Issued on. 2013-03-01
2013-09-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
Accordance with the standards GB/T 1.1-2009, GB/T 20001.4-2001 and rules of SN/T 0001-1995 given draft.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. People's Republic of China Hubei Exit Inspection and Quarantine.
The main drafters of this standard. Hude Cong, Li Jing, Wang Peng, Song Qi, Hu bell.
Determination of food exports dodecane hexabrominated ring
Liquid chromatography - mass spectrometry/mass spectrometry
1 Scope
This standard specifies the food of three six HBCD isomers (α-HBCD, β-HBCD and γ-HBCD) content of liquid chromatography -
Mass spectrometry/mass spectrometry.
This standard applies to fish, shrimp, eggs and other foods α-HBCD, β-HBCD and γ-HBCD Determination and confirmation.
2 Normative references
The following documents for the application of this standard is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Laboratory use specifications and test methods GB/T 6682 Analysis
3 Method summary
Three samples six HBCD isomers (α-HBCD, β-HBCD and γ-HBCD) by Soxhlet extraction, the extract by gel permeation chromatography
Purification column, followed by liquid chromatography - mass spectrometry/mass spectrometer using the external standard or internal standard (that is, using isotope dilution technique, the sample extract
Before taking added three kinds of deuterated six HBCD d18-α-HBCD, d18-β-HBCD and the internal standard solution of d18-γ-HBCD) Determination of Three hexa
Cyclododecane isomer content.
4 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade water as a water GB/T 6682 regulations.
4.1 hexane. chromatographically pure.
4.2 dichloromethane. chromatography.
4.3 Methanol. chromatographically pure.
4.4 acetonitrile. chromatography.
4.5 anhydrous sodium. 650 ℃ burning 4h, cooled in a desiccator to room temperature and stored in a sealed bottle aside.
4.6 n-hexane - methylene chloride solution (11). Take 200mL n-hexane (4.1), was added 200mL of methylene chloride (4.2) and mix.
4.7 α-HBCD, β-HBCD and γ-HBCD single standard solution. concentration was 100μg/mL.
4.8 d18-α-HBCD, d18-β-HBCD and d18-γ-HBCD deuterated single standard solution. concentration was 50μg/mL.
4.9 α-HBCD, β-HBCD and γ-HBCD single standard stock solution. draw a single standard solution (4.7), diluted with methanol (4.3), minutes
Do not be formulated at a concentration of 1μg/mL standard stock solution.
4.10 internal standard mix solution Ⅰ. lessons d18-α-HBCD, d18-β-HBCD and d18-γ-HBCD deuterated single standard solution (4.8),
With methanol (4.3), and diluting the d18-α-HBCD, d18-β-HBCD and d18-γ-HBCD concentrations of 100ng/mL, 50ng/mL
And the internal standard 50ng/mL in the mixed solution.
4.11 internal standard mix solution Ⅱ. lessons internal standard mix solution Ⅰ (4.10), diluted with methanol (4.3) to prepare a d18-α-HBCD,
d18-β-HBCD and d18-γ-HBCD concentrations were 10ng/mL, internal standard 5ng/mL and 5ng/mL of the mixed solution.
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