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SN/T 2459-2010 English PDF

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
SN/T 2459-2010799 Add to Cart 4 days Determination of flumiclorac-pentyl residues in food for import and export. GC-MS method Obsolete

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Basic data

Standard ID: SN/T 2459-2010 (SN/T2459-2010)
Description (Translated English): Determination of flumiclorac-pentyl residues in food for import and export. GC-MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: X04
Classification of International Standard: 67.050
Word Count Estimation: 20,213
Date of Issue: 2010-01-10
Date of Implementation: 2010-07-16
Regulation (derived from): National Quality Inspection (2010) No. 13
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the import and export food ene oxalate fluoride residues by gas chromatography mass spectrometry. This standard applies to corn, celery, apples, peanuts, tea, beef, chicken, fish, honey, soy and milk residues of fluoride ene oxalate detection and confirmation.

SN/T 2459-2010: Determination of flumiclorac-pentyl residues in food for import and export. GC-MS 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 flumiclorac-pentyl residues in food for import and export.GC-MS method Exit inspection and quarantine industry standard book People's Republic of China Determination of imported and exported food fluoro-ene oxalate Residues Gas chromatography - mass spectrometry Issued on. 2010-01-10 2010-07-16 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

Appendix A of this standard is an informative annex. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted by the People's Republic of China Hebei Exit Inspection and Quarantine. The main drafters of this standard. Guo Chunhai, Chenrui Chun, Doucai Yun, Wang Fengchi, paragraph Wenzhong, Mayu Song, Wang Danna. Determination of imported and exported food fluoro-ene oxalate Residues Gas chromatography - mass spectrometry

1 Scope

This standard specifies the fluorine-ene oxalate in food import and export of residual gas chromatography - mass spectrometry. This standard applies to corn, celery, apples, peanuts, tea, beef, chicken, fish, honey, soy and milk-fluoro-ene acid residues Detection and confirmation.

2 Method summary

Samples residual fluorine-ene oxalate extracted with ethyl acetate or acetonitrile. After extraction the organic phase was evaporated to dryness, the residue from ethyl acetate - cyclohexane (1 + 1) dissolved by gel permeation chromatography (GPC) purification, eluent evaporated volume by gas chromatography - mass spectrometry in selected ion detection, external standard Statutory amount.

3 Reagents and solutions

Unless otherwise specified, reagents were of analytical grade, water is distilled or deionized water. 3.1 acetone. pesticide grade. 3.2 ethyl acetate. 3.3 cyclohexane. 3.4 Acetonitrile, HPLC grade. 3.5 n-hexane. 3.6 sodium chloride. 3.7 anhydrous sodium. Burning 4h at 650 ℃, store in a sealed container in the back. 3.8 acetonitrile saturated with n-hexane. 3.9 n-hexane saturated acetonitrile. 3.10 ethyl acetate - cyclohexane (1 + 1, by volume). The volume of ethyl acetate and cyclohexane and so mixed, spare. 3.11 NaCl.200g/L. 3.12 fluoro-ene oxalate standards (flumiclorac-pentyl, CAS. 87546-18-7). purity ≥99%. 3.13 fluoro-ene oxalate standard stock solution. accurately weighed amount of fluorine-ene oxalate standard with acetone formulated to 100μg/mL standard stock Preparation of liquid. 3.14 fluoro-ene oxalate intermediate standard solution. 1μg/mL. Imbibe 1mL fluoro-ene oxalate standard stock solution (3.13) into 100mL Volumetric flask with acetone to volume, the solution was stored at 0 ℃ ~ 4 ℃. 3.15 standard solution matrix. if necessary, with a blank sample extract obtained in accordance with the sample processing steps, with different concentrations of substrates Standard working solution, standard solution for a matrix using now. 3.16 Gel Permeation Column. filler is S-X3BioBeads, 22g. 3.17 anhydrous sodium sulfate column. In 150mm × 10mm (inner diameter) chromatography column, followed by adding 5cm cotton and anhydrous sodium sulfate.

4 instruments and equipment

4.1 Gas chromatography - mass spectrometry. with electron impact ionization. 4.2 Analysis of balance. a sense of the amount of 0.0001g.
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