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  • Title: [Determination of residues of 20 kinds of organochlorinated pesticides in oils, fruits and vegetables by wide-bore capillary gas chromatographic column].
    Author: Yu JX, Hu XZ, Shao JJ, Sun BG, Qian HM, Wu CY.
    Journal: Se Pu; 2000 Jul; 18(4):346-9. PubMed ID: 12541515.
    Abstract:
    A rapid and high performance gas chromatographic method for the determination of 20 organchlorinated pesticides in oils, fruits and vegetables has been developed. The samples of fruits and vegetables were extracted with petroleum ether-acetone, while those of oils were extracted with acetonitrile-hexane. The extract was purified by Florisil column with ethyl ether-hexane(15:85, V/V) or ethyl ether-petroleum ether(15:85, V/V) as eluent. Chromatographic analysis was performed on wide-bore capillary column with ECD detector. Satisfactory separation and detection of these organchlorinated pesticides are presented with the proposed method. The detection limits of this method were 1.0 ng/g-20.0 ng/g(S/N = 5), the recoveries 83.2%-106.8% and the relative standard deviations 2.0%-9.5%.
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