The Korean Journal of Pesticide Science (농약과학회지)

The Korean Society of Pesticide Science (한국농약과학회)
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Multi-residue Analysis of Pesticides using GC-TOF/MS, ECD, NPD with QuEChERS Sample Preparation

QuEChERS 전처리법과 GC-TOF/MS, ECD, NPD를 이용한 잔류농약 다성분분석

  • Park, Jungwook (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Kim, Aekyung (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Kim, Jongpil (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Lee, Hyanghee (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Park, Duckwoong (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Moon, Sujin (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Ha, Dongryong (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Kim, Eunsun (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju) ;
  • Seo, Kyewon (Agro-Fishery Products Inspection Center, Health and Environment Research Institute of Gwangju)
  • 박정욱 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 김애경 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 김종필 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 이향희 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 박덕웅 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 문수진 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 하동룡 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 김은선 (광주광역시 보건환경연구원 농수산물검사소) ;
  • 서계원 (광주광역시 보건환경연구원 농수산물검사소)
  • Received : 2014.05.26
  • Accepted : 2014.11.05
  • Published : 2014.12.31
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Abstract

Fast and accurate multi-residue pesticides inspecting method needs in Agro-Fishery Products Inspection Center. So, We tried to seek the optimum method using GC-TOF/MS, GC-ECD, GC-NPD after QuEChERS sample preparation. In GC-TOF/MS, 138 kinds of pesticide were spiked at 0.3 and $0.5{\mu}g/g$for the identification and quantification in lettuce sample. Recoveries of 77 pesticides were between 70 and 130% with RSD (relative standard deviation lower than 20% at $0.3{\mu}g/g$. In GC-ECD, NPD, 146 kinds of pesticide were spiked for the identification and quantification in lettuce. Recoveries of 61 species were between 70 and 130% with lower than 20%. These results indicated that GC-TOF/MS, GC-ECD, NPD analysis with the QuEChERS sample preparation can be partly applied to multi-residue pesticides in vegetables.

농수산물검사소에서는 빠르고 정확한 잔류농약검사법이 필요하므로 QuEChERS 시료 전처리법과 GC-TOF/MS(가스크로마토그래피 비행시간질량분석기와 GC-ECD(전자포획검출기), GC-NPD(질소인검출기) 기기분석을 이용하여 잔류농약 동시다성분 분석의 가능성을 살펴보았다. GC-TOF/MS에서는 138종의 농약성분을 0.3, $0.5{\mu}g/g$수준으로 상추에 처리 후 회수율 측정을 하였다. 동시다성분 회수율기준 70~130% 범위에 들어오고 표준편차 20% 이내인 농약은 61종이었다. GC-ECD, NPD에서는 145종의 농약성분 중 71종이 적정한 회수율 범위 내에 들었다. 이러한 결과는 일부 농약성분에 대해 QuEChERS 시료 전처리법과 GC-TOF/MS, GC-ECD, NPD를을 이용한 잔류농약 동시다성분분석 방법 적용 가능성을 보여주었다.

Keywords

References

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