SN/T 1737.4-2010 English PDF

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 1737.4-2010	RFQ	ASK	5 days	Determination of herbicide residues. Part 4: Determination of aryloxyphenoxypropionate herbicide residues in foodstuff for import and export by GC-MS/MS method	Obsolete

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Basic data

Standard ID: SN/T 1737.4-2010 (SN/T1737.4-2010)
Description (Translated English): Determination of herbicide residues. Part 4: Determination of aryloxyphenoxypropionate herbicide residues in foodstuff for import and export by GC-MS/MS method
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: B17
Classification of International Standard: 65.100
Word Count Estimation: 28,214
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 food 2, 4 D butyl ester, Haloxyfop, fluazifop, propargyl ester grass, diclofop, hydrogen fluoride grass esters, fenoxaprop, Quizalofop etc. aryloxy phenoxy propionate herbicide residues by gas chromatography mass spectrometry/mass spectrometry and confirmatory methods. This standard applies to soybeans, barley, rice, carrots, spinach, green beans, garlic, strawberries, bees, pork, fish, eggs, 2, 4 D butyl ester, Haloxyfop, fluazifop Ling, alkynyl grass esters, diclofop, hydrogen fluoride grass esters, fenoxaprop, Quizalofop residues and confirmation.

SN/T 1737.4-2010: Determination of herbicide residues. Part 4: Determination of aryloxyphenoxypropionate herbicide residues in foodstuff for import and export by GC-MS/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 herbicide residues. Part 4. Determination of aryloxyphenoxypropionate herbicide residues in foodstuff for import and export by GC-MS/MS method Book of the People's Republic of China Entry - Exit Inspection and Quarantine Industry Standard Methods for the determination of herbicide residues Part 4. Determination by gas chromatography - mass spectrometry/mass spectrometry Import and export of food in aryloxyphenoxypropionate esters Herbicide residue 2010-01-10 released 2010-07-16 Implementation People's Republic of China State Administration of Quality Supervision, Inspection and Quarantine issued

Foreword

SN/T 1737 "Herbicide Residue Test Method" is divided into five parts. Part 1. Determination of amide herbicides in grain and oilseeds by gas chromatography tandem mass spectrometry; Part 2. Determination of Diphenyl Ether Herbicide Residues in Grains and Oilseeds by Gas Chromatography/Mass Spectrometry; - Part 3. Determination of Cyclohexenone Herbicide Residues in Foodstuffs by Liquid Chromatography - Mass Spectrometry/Mass Spectrometry; - Part 4. Determination of Aromatic Phenoxypropionate Herbicide Residue in Foodstuffs by Liquid Chromatography - Mass Spectrometry/Mass Spectrometry; - Part 5. Determination of Thiourethane Herbicide Residues in Import and Export Food by Liquid Chromatography - Mass Spectrometry. This part is part 4 of SN/T 1737. Appendix A, Appendix B and Appendix C of this section are informative. This part of the State Certification and Accreditation Administration Committee proposed and centralized. This part of the drafting unit. the People's Republic of China Jiangsu Entry - Exit Inspection and Quarantine Bureau. This part of the main drafters. Zhao Zengyun, Liu Han, Shen Weijian, Yu Keng, Shen Chongyu, Guixian Wen, Gong Yuxia, Jiang Yuan, Tao Hongjin. This part is the first release of the entry-exit inspection and quarantine industry standards. Methods for the determination of herbicide residues Part 4. Determination by gas chromatography - mass spectrometry/mass spectrometry Import and export of food in aryloxyphenoxypropionate esters Herbicide residue

1 Scope

SN/T 1737 this part of the provisions of the food in the 2,4-dibutyl ester, phenfloxacin, pherofen grass spirit, acetone grass, grass, ester, Determination of Aromatic Phenoxy Propionate Herbicide Residue by Gas Chromatography - Mass Spectrometry/Mass Spectrometry. This part applies to soybeans, barley tea, japonica rice, carrots, spinach, green concanavalin, garlic, strawberry, honey, pork, fish, eggs, Butyl ester, picofloxacin, phenanthrene chlorpyrifos, clenbuterol, grass grass, cyhalothrin, Determination and Confirmation of the Residue of.

2 method summary

The residual aryloxyphenoxypropionate herbicides in the sample were extracted with n-hexane saturated acetonitrile (containing 1% glacial acetic acid), and the matrix was dispersed Phase extraction purification, with gas chromatography - mass spectrometry/mass spectrometry, external standard method quantitative.

3 reagents and materials

Unless otherwise specified, the reagents used are analytical pure and water is deionized water. 3.1 acetonitrile. pure chromatography. 3.2 n-hexane. pure chromatography. 3.3 Acetone. Chromatographic pure. 3.4 glacial acetic acid. 3.5 anhydrous sodium acetate. 3.6 anhydrous magnesium sulfate. 650 ℃ for 4h, stored in the dryer. 3.7 Extraction solvent (containing 1% glacial acetic acid in n-hexane saturated acetonitrile solution). add 10mL glacial acetic acid to 990mL acetonitrile First saturated with n-hexane). 3.8 Aryloxyphenoxypropionate Herbicide Standard. 2,4-D butylylate, CAS No. 94-80-4, Molecular formula. C12H14 C12O3, Purity greater than or equal to 97.1%); Haloxyfop, CAS No. 69806-34-4, Molecular formula. C15H11ClF3NO4, Purity is greater than or equal to 99%); fluazifop-butyl, CAS No. 79241-46-6, molecular formula. C19H20F3NO4, purity (Clodinafop-propargyl, CAS No. 105512-06-9, molecular formula. C17H13ClFNO4, purity greater than (Diclofop, CAS No. 51338-27-3, molecular formula. C16H14Cl2O4, purity greater than or equal to 96.5%); cyanide (Cyhalofop-butyl, CAS No. 122008-85-9, molecular formula. C20H20FNO4, purity greater than or equal to 99.0%); (Fenoxaprop, CAS. 95617-09-7, formula. C16H12ClNO5, purity greater than or equal to 99%); Quiza Ling (Quiza- lofop-P-ethyl, CAS No.. 100646-51-3, molecular formula. C19H17ClN2O4, purity greater than or equal to 99.5%). 3.9 Aryloxyphenoxypropionate Herbicide Standard stock solution. accurately weighed the standard amount of aryloxyphenoxypropionate herbicides, Ketone dissolved, diluted and constant volume, respectively, prepared into a 100μg/mL single standard stock solution, the solution can be 0 ℃ ~ 4 ℃ under the conditions to avoid Light storage for 6 months. 3.10 Mixing standard intermediate solution. accurately absorb the standard stock solution of each aryloxyphenoxypropionate 5.0mL in 50mL brown Volume bottle, diluted with acetone to the mark line after the preparation of a concentration of 10.0μg/mL mixed standard intermediate solution, the solution can be 0 ℃ ~ 4 ℃ under the conditions of storage for 3 months. ......

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