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Determination of cyflufenamid residues in food for import and export. GC-MS method
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SN/T 1981-2007
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Basic data | Standard ID | SN/T 1981-2007 (SN/T1981-2007) | | Description (Translated English) | Determination of cyflufenamid 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 | 19,146 | | Date of Issue | 2007-08-06 | | Date of Implementation | 2008-03-01 | | Regulation (derived from) | National-accreditation-Science [2011] 63 | | Issuing agency(ies) | General Administration of Customs | | Summary | This standard specifies the cyflufenamid food residue sample preparation and gas chromatography mass spectrometry. This standard applies to wheat, corn, peanuts, pineapples, apples, shallots, HU Radka, basil leaves, honeysuckle, ginger, pepper powder and tea cyflufenamid residue detection and confirmation. | SN/T 1981-2007: Determination of cyflufenamid residues in food for import and export. GC-MS method
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Determination of cyflufenamid residues in food for import and export.GC-MS method
Exit inspection and quarantine industry standard book People's Republic of China
Imported and exported food cyflufenamid residues
Detection methods Gas Chromatography - Mass Spectrometry
Posted 2007-08-06
2008-03-01 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. People's Republic of China Shandong Entry-Exit-Entry Inspection and Zhejiang, People's Republic of China
Quarantine Bureau.
The main drafters of this standard. Li Li, Li Zheng, Yin road, Ding Huiying, Cao Peng, Lee Soo-Yong, Sui Tao.
This standard is the first release of the entry-exit inspection and quarantine industry standards.
Imported and exported food cyflufenamid residues
Detection methods Gas Chromatography - Mass Spectrometry
1 Scope
This standard specifies the sample preparation and gas chromatography cyflufenamid residues in food - mass spectrometry methods.
This standard applies to wheat, corn, peanuts, pineapples, apples, shallots, carrots, basil leaves, honeysuckle, ginger, pepper and tea ring
Triflumizole amine residues in the detection and confirmation.
2 Method summary
After the sample was extracted, and the extract was added sodium chloride dehydrated with Envi-Carb/LC-NH2 column or a C18 solid phase extraction column or Florisil
Column purification, gas chromatography - mass spectrometry, external standard.
3 Reagents and materials
Unless otherwise specified, reagents were HPLC grade water for ultra-pure water.
3.1 acetonitrile.
3.2 n-hexane.
3.3 acetone.
3.4 toluene.
3.5 ether.
3.6 Sodium chloride. pure class distinctions.
3.7 anhydrous sodium sulfate. AR, 650 ℃ burning 4h, natural cooling spare stored in a sealed bottle.
3.8 phosphoric acid buffer solution. 0.5mol/L (pH = 7.0), weighed 52.7g dipotassium hydrogen phosphate (K2HPO4 on) and 30.2g potassium phosphate monobasic
(KH2PO4), adding about 500mL dissolved in water, adjusted pH7.0 with 1mol/L sodium hydroxide or 1mol/L hydrochloric acid, and add water to 1L.
3.9 Florisil. Florisil, 0.150mm ~ 0.250mm.
3.10 Standard substances. Cyflufenamid, C22H17F5N2O2, CASN O. 180409-60-3, purity greater than or equal to 98%.
3.11 cyflufenamid standard stock solution. weigh the amount cyflufenamid standard with acetone + n-hexane (1 + 1) formulated as 1.0mg/mL of
Standard stock solution; 0 ℃ ~ 4 ℃ preservation.
3.12 cyflufenamid standard working solution. if necessary with acetone + n-hexane (1 + 1) The stock was diluted to a suitable concentration of the standard preparation work
As a liquid. 0 ℃ ~ 4 ℃ preservation.
3.13 Envi-Carb/LC-NH2 solid phase extraction column. 500mg/500mg.
3.14 C18 solid phase extraction column. 1000mg.
3.15 Florisil Column. Glass column 30cm × 15mm (inner diameter), followed by the lower load 1cm high over anhydrous sodium sulfate, 10g
Florisil and 1cm high anhydrous sodium sulfate.
4 instruments and equipment
4.1 Gas chromatography - mass spectrometry. equipped with electron impact ionization (EI source).
4.2 oscillator.
4.3 vortex mixer.
4.4 rotary evaporator.
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