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Determination of Organochlorinated Compounds in Marine Organisms by Microwave-Assisted Extraction with Molecular Organized Systems and Liquid Chromatography with Fluorescence Detection

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Abstract:

Microwave-assisted extraction methodology is used to extract different compounds from various kinds of marine solid samples, such as soils, sediments, and organisms. A new analytical method was developed to extract polychlorinated biphenyls and polychlorinated dibenzofurans by using a conventional microwave system and the nonionic surfactant, polyoxyethylene 10 lauryl ether as the extractant as a prior step to liquid chromatography analysis coupled with fluorescence detection. The method was applied to the extraction and determination of these analytes in samples of blue mussels (Mytilus galloprovincialis), cockles (Cerastoderma edule), and clams (Dosinia exoleta). Compared with the traditional Soxhlet extraction, results of the proposed method showed acceptable recovery percentages for the organochlorinated compounds under study and standard deviation values <10%.

Document Type: Research Article

Affiliations: University of Las Palmas de Gran Canaria, Faculty of Marine Sciences, Department of Chemistry, 35017 Las Palmas de Gran Canaria, Spain.

Publication date: January 1, 2002

More about this publication?
  • The Journal of AOAC INTERNATIONAL publishes refereed papers and reviews in the fields of chemical, biological and toxicological analytical chemistry for the purpose of showcasing the most precise, accurate and sensitive methods for analysis of foods, food additives, supplements and contaminants, cosmetics, drugs, toxins, hazardous substances, pesticides, feeds, fertilizers and the environment available at that point in time. The scope of the Journal includes unpublished original research describing new analytical methods, techniques and applications; improved approaches to sampling, both in the field and the laboratory; better methods of preparing samples for analysis; collaborative studies substantiating the performance of a given method; statistical techniques for evaluating data. The Journal will also publish other articles of general interest to its audience, e.g., technical communications; cautionary notes; comments on techniques, apparatus, and reagents.
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