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KMID : 1023520050280030285
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Korean Journal of Veterinary Service
2005 Volume.28 No. 3 p.285 ~ p.294
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Simultaneous detection method for pesticide residues in meat by gas chromatograph-mass selective detector
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Hong In-Suk
Choi Yoon-Hwa
Kweon Tek-Boo
Lee Jung-Hark
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Abstract
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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 porous silica, florisil, deactivated florisil. a tandem and florisil and a tandem and 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 except DDT. The recoveries of SPE methods using a tandem and Florisil was except fenitrothion . 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 water has been not proved significantly on recoveries of pesticide residues in fat.
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KEYWORD
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GC-MSD, Pesticide residue analysis, Solid phase extraction
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