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KMID : 1023519990220010015
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Korean Journal of Veterinary Service
1999 Volume.22 No. 1 p.15 ~ p.23
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Screening procedure for organochlorinated pesticide residues in meat fat using a matrix solid phase dispersion(MSPD) extraction and GC/ECD
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Baik Mi-Soon
Lee Young-Cheol
Park Byoung-Ok
Kim Chang-Soo
Park Yu-Soon
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Abstract
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A multiresidue, simple and rapid isolation technique known as matrix-solid phase dispersoin (MSPD) for the extraction and quantitative gas chromatographic/electron capture detection (GC/ECD) determination of 14 organochlorinated pesticides(-BHC, (-BHC, (-BHC, aldrin, dieldrin, endrin, heptachlor, (-endosulfan, (-endosulfan, endosulfan sulfate, p,p’-DDE, o,p’-DDD, p,p’-DDD, p,p’-DDT) from meat fats. The 14 pesticide were fortified into meat fat(0.5g) and blend with 2g , meat fat matrix blend and 2g activated florisil comprise an extraction column from which the pesticides are eluted by adding 8ml acetonitrile. Then 2 of the eluate is analyzed by GC/ECD. Unfortified blank controls are tested similarly. The eluate contained all the pesticide analytes and was free of interfering coextractants. Recovery rate(31.3-500ng/g) were ranged from 804% to 974%. Any organochlorinated pesticides were not detected in 120 samples of beef and pork collected from slaughter houses in Kyeonggi province.
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KEYWORD
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Residues, Organochlorinated pesticide, MSPD, GC/ECD, Meat
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