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Cloud-point preconcentration and HPLC determination of polycyclic aromatic hydrocarbons in marine sediments

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Abstract

Cloud-point methodology has been used to develop a new procedure for preconcentration of polycyclic aromatic hydrocarbons previously extracted from marine sediment with a micellar polyoxyethylene-10-lauryl ether medium by microwave- or ultrasound-assisted extraction. The optimum conditions for preconcentration and determination of PAH by HPLC with UV detection were established. The optimized procedure was applied to determination of these analytes in fortified marine sediment. The mean recoveries obtained after extraction and preconcentration by use of microwave- or ultrasound-assisted extraction were 105.8 and 99.5%, respectively. Precision, however, is considerably higher when extraction is performed ultrasonically.

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Authors and Affiliations

  1. Department of Analytical Chemistry, Nutrition and Food Science, University of La Laguna, Campus de Anchieta, Astrofísico Francisco Sánchez s/n, 38205 La Laguna, Spain, Spain

    V. Pino, J. Ayala, A. Afonso & V. González

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  1. V. Pino
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  2. J. Ayala
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  3. A. Afonso
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  4. V. González
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Pino, V., Ayala, J., Afonso, A. et al. Cloud-point preconcentration and HPLC determination of polycyclic aromatic hydrocarbons in marine sediments. Fresenius J Anal Chem 371, 526–531 (2001). https://doi.org/10.1007/s002160101009

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  • DOI: https://doi.org/10.1007/s002160101009

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