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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Chromatographia 21 (1986), S. 531-537 
    ISSN: 1612-1112
    Keywords: Gas liquid chromatography ; Solid-phase extraction ; Liquid-liquid extraction ; Organochlorine pesticides ; Kepones
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary The use of the solid-phase extraction technique for the rapid sample preparation of organochlorine pesticides is described. Samples were simultaneously extracted, cleaned, and fractionated by the solid-phase extraction method and a further separation and determination of extracted fractions was carried out by gas chromatography with either an electron capture or a Hall electrolytic conductivity detector. The percent recovery of the extracted seven pesticides was compared to that of the conventional liquid-liquid extraction method. The analytical figures of merit., chromatograms, and statistic data are reported. The application of this method was demonstrated by a real fish sample determination with mass spectra for confirmation of Kepone detection.
    Type of Medium: Electronic Resource
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  • 2
    ISSN: 1612-1112
    Keywords: Solid-phase extraction ; Solvent optimization ; Organochlorine pesticides ; Capacity factor ; Sample preparation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology
    Notes: Summary Plots of capacity factor and retention time vs. elution solvent composition were proved to be useful to interpret the retention behavior of Kepone and its metabolites in a reversed-phase solid-phase extraction and to optimize the elution solvent. The percent recovery of Kepone was largely improved when the solvent was optimized. The standard deviations of the results of extractions were also improved upon the optimization of the solvent.
    Type of Medium: Electronic Resource
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