Korean Journal of Veterinary Service (한국동물위생학회지)

The Korean Society of Veterinary Service (한국동물위생학회)
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Simultaneous detection method for pesticide residues in meat by gas chromatograph-mass selective detector

Gas chromatograph-mass selective detector를 이용한 식육 중 잔류농약의 동시분석

  • Hong In-Suk (Seoul Metropolitan Health & Environment Research Institute) ;
  • Choi Yoon-Hwa (Seoul Metropolitan Health & Environment Research Institute) ;
  • Kweon Taek-Boo (Seoul Metropolitan Health & Environment Research Institute) ;
  • Lee Jung-Hark (Seoul Metropolitan Health & Environment Research Institute)
  • 홍인석 (서울특별시 보건환경연구원) ;
  • 최윤화 (서울특별시 보건환경연구원) ;
  • 권택부 (서울특별시 보건환경연구원) ;
  • 이정학 (서울특별시 보건환경연구원)
  • Published : 2005.09.01
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Abstract

This study was conducted to investigate the extraction method for the determination of organochlorine, organophosphorus and synthetic pyrethroid pesticide residues in beef fat by gas chromatography-mass selective detector(GC-MSD). Twenty one pesticide residues in fat were determined using a simple and rapid procedure based on solid- phase extraction(SPE) clean-up cartridges with octadecyl $(C_{18})-bonded$ porous silica, florisil, $10\%$ deactivated florisil. a tandem $C_{18}$ and florisil and a tandem $C_{18}$ and $10\%$ deactivated florisil. Solvent-solvent extraction using acetonitrile was not satisfied to eliminate fat interference for pesticide residue analysis by GC-MSD, and the recoveries of the method in fat ranged from 16.2 to $57.3\%$ except DDT$(83.2\%)$. The recoveries of SPE methods using a tandem $C_{18}$ and Florisil was $59.6\~123.8\%$ except fenitrothion $(135.2\%)$. the SPE method was verified the satisfactory performance of pre-treatment for pesticide residues analysis in fat by GC-MSD. The efficiency of florisil deactivated with $10\%$ water has been not proved significantly on recoveries of pesticide residues in fat.

Keywords

References

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