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Determination of benoxacor, anilofos, allidochlor 110 pesticides residues in foodstuffs for import and export. GC-MS method
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SN/T 2149-2008
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Basic data | Standard ID | SN/T 2149-2008 (SN/T2149-2008) | | Description (Translated English) | Determination of benoxacor, anilofos, allidochlor 110 pesticides residues in foodstuffs for import and export. GC-MS method | | Sector / Industry | Commodity Inspection Standard (Recommended) | | Classification of Chinese Standard | C53 | | Word Count Estimation | 48,472 | | Date of Issue | 2008-09-04 | | Date of Implementation | 2009-03-16 | | Regulation (derived from) | Industry standard filing Notice No. 11 of 2008 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the food 110 kinds of pesticide residues detected by gas chromatography mass spectrometry. This standard applies to rice, brown rice, barley, wheat, corn 110 kinds of pesticide residues. | SN/T 2149-2008: Determination of benoxacor, anilofos, allidochlor 110 pesticides residues in foodstuffs for import and export. GC-MS method
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Determination of benoxacor, anilofos, allidochlor 110 pesticides residues in foodstuffs for import and export.GC-MS method
Exit inspection and quarantine industry standard book People's Republic of China
Imported and exported food benoxacor, anilofos, diallyl
Detection alachlor and other 110 kinds of pesticide residues
Gas chromatography - mass spectrometry
Posted 2008-09-04
2009-03-16 implementation
People's Republic of China
The State Administration of Quality Supervision, Inspection and Quarantine released
Foreword
The Standard Appendix A and E are normative appendix, Appendix B, Appendix C, Appendix D is an informative annex.
This standard is proposed and managed by the National Certification and Accreditation Administration Committee.
This standard was drafted. China Inspection and Quarantine Science Research Institute, People's Republic of China Exit Inspection and Quarantine of Heilongjiang, People's
Inner Mongolia, the Republic of CIQ.
The main drafters of this standard. Li Shujuan, Li Gang, Chen Dong, on behalf of the Chinese Hui, Feng Fan, Feng Nan, Luo , celebrate Kang, Yang Chang-chih, Li Gang (Inner Mongolia
Old), Caikuai Xia, Shi Jing, Tang Ying Zhang.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Imported and exported food benoxacor, anilofos, diallyl
Detection alachlor and other 110 kinds of pesticide residues
Gas chromatography - mass spectrometry
1 Scope
This standard specifies the 110 food pesticide residues detected by gas chromatography - mass spectrometry method.
This standard applies to the determination of rice, brown rice, barley, wheat, corn and 110 kinds of pesticide residues.
2 Method summary
Sample water after soaking shaking extraction with acetone, followed by liquid - liquid partition, gel permeation chromatography and solid phase extraction to extract intake
Purifies gas chromatography - mass spectrometry detection, external standard calibration curve.
3 Reagents and materials
Unless otherwise indicated, the reagents used were of analytical grade, water is distilled water or equivalent purity.
3.1 acetone. chromatography.
3.2 acetone.
3.3 dichloromethane.
3.4 cyclohexane.
3.5 ethyl acetate.
3.6 acetonitrile.
3.7 toluene.
3.8 sodium chloride.
3.9 anhydrous sodium. Before using burning at 650 ℃ 4h, stored in a desiccator, cool reserve.
3.10 sodium chloride solution. 15% (mass concentration), weighed 15g of sodium chloride was dissolved in 100mL of water, shake spare.
3.11 cyclohexane - ethyl acetate (1 + 1, volume ratio).
3.12 acetonitrile - toluene (3 + 1, volume ratio).
3.13 Pesticide Standards. Standards list in Appendix A, reference material purity ≥95%.
3.14 pesticides standard solution
3.14.1 Standard stock solution
Accurately weighed amount of standard (accurate to 0.1mg), was dissolved in acetone (3.1), formulated at a concentration of 500μg/mL standard stock
Solution, -18 ℃ freezing dark, valid for three months.
3.14.2 intermediate mixed standard solution
110 kinds of pesticides will be divided into five groups, grouping in Appendix A. Standard stock solution Pipette formulated with a volume of acetone (3.1) into
Mixed standard solution 10mg/L of, 4 ℃ refrigerator protected from light, valid for one month.
3.14.3 matrix mixed standard working solution
Mixed standard solution were moved to take a certain volume, to add after the blank sample matrix solution of 6.1 to 6.2 after the purification step, mixing,
With acetone (3.1) volume to 1.0mL. Matrix mixed standard working solution should now use the existing.
3.15 aid. celite545, or equivalent person.
3.16 on non-porous graphite carbon/amidopropyl silylated silica as a solid phase extraction column packing. Envi-Carb/LC-NH2,
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