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  • Title: [Determination of organochlorine and organophosphorus pesticide levels in imported beef].
    Author: Takatsuki S, Nemoto S, Matsuda R, Sasaki K, Saito Y.
    Journal: Eisei Shikenjo Hokoku; 1994; (112):102-7. PubMed ID: 8854909.
    Abstract:
    A simple and efficient cleanup method was established for capillary gas chromatographic determination of 12 organochlorine and 11 organophosphorus pesticides in beef. Extracted fat was subjected to silica gel dry column chromatography and further cleaned up by Florisil minicolumn chromatography for organochlorine pesticide analysis, while partitioning between n-hexane and acetonitrile of the extract and silica gel minicolumn chromatography were employed for the analysis of organophosphorus pesticides. Several samples (imported Australian beef) were analyzed by the proposed method. DDT was detected in 14 (0.01-0.10 ppm). BHC was found in 11 (0.003-0.031 ppm) and dieldrin was demonstrated in 2 (0.004 and 0.008 ppm). Heptachlors and the 11 organophosphorus pesticides investigated were not detected in any of the meat samples.
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