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Determination of 105 pesticide residues by GC/MS/MS

GC/MS/MS를 이용한 105종의 잔류농약 분석에 관한 연구

  • Received : 2009.09.07
  • Accepted : 2010.06.10
  • Published : 2010.08.25

Abstract

A multi-residual method using gas chromatography coupled with mass spectrometry (GC/MS/ MS) was developed for the analysis of 105 pesticides. This method was tested on lemons, beans and other vegetables. The pretreatment of these pesticides was performed by liquid-liquid partition followed by cleanup with solid phase extraction cartridge (SPE Florisil), after acetonitrile extraction from matrices and sodium chloride (15 g) addition. The recovery ranged from 71.1% to 126.0% except for azinphosmethyl, famoxadone, fenamidone, flufenoxuron and triadimefon in lemons and from 72.5% to 124.5% in bean. In lemon, the limit of detection (LOD) and limit of quantification (LOQ) were 0.001~150 ng/ mL and 0.004~500 ng/mL, respectively.

Keywords

multi-residual method;GC/MS/MS;limit of detection;limit of quantification

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