SN/T 1981-2007 English PDF
Basic dataStandard 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---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 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 ForewordAppendix 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 Spectrometry1 ScopeThis 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 summaryAfter 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 materialsUnless 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 equipment4.1 Gas chromatography - mass spectrometry. equipped with electron impact ionization (EI source). 4.2 oscillator. 4.3 vortex mixer. 4.4 rotary evaporator. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of SN/T 1981-2007_English be delivered?Answer: Upon your order, we will start to translate SN/T 1981-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically in 9 seconds (download/delivered in 9 seconds). The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of SN/T 1981-2007_English with my colleagues?Answer: Yes. 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