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Spectrofluorimetric determination of 4-chlorobiphenyl and Arochlor 1221 using the fluorescence quenching produced by cetylpyridinium bromide micellar medium

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Abstract.

 4-Chlorobiphenyl (4-PCB) and Arochlor 1221 have been studied in the presence of cetylpyridinium bromide micellar medium. The quenching produced by this surfactant on the fluorescence of these organochlorine compounds has been used to develop two spectrofluorimetric methods for the sensitive determination of 4-PCB and Arochlor 1221. Variables such as the percentage of organic solvent, temperature, and concentration of surfactant, as well as the possible interferences of other polychlorinated biphenyls and Arochlors of environmental and toxicological interest have been studied. The methods have been applied to the determination of 4-PCB and Arochlor 1221 added to sea water with satisfactory recovery data.

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Authors and Affiliations

  1. Department of Chemistry, Faculty of Marine Sciences, University of Las Palmas de G.C., E-35017 Las Palmas, Spain, , , , , , ES

    J. J. Santana Rodríguez, J. Hernández García, Z. Sosa Ferrera & A. J. Bermejo Martín Lázaro

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  1. J. J. Santana Rodríguez
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  2. J. Hernández García
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  3. Z. Sosa Ferrera
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  4. A. J. Bermejo Martín Lázaro
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Received: 8 February 1995/Revised: 3 April 1995/Accepted: 5 April 1995

Acknowledgements. This work was supported by funds provided by D.G.I.C.YT. (Spain). Research Project No.PB91-0285.

Correspondence to: J.J. Santana Rodríguez

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Rodríguez, J., García, J., Ferrera, Z. et al. Spectrofluorimetric determination of 4-chlorobiphenyl and Arochlor 1221 using the fluorescence quenching produced by cetylpyridinium bromide micellar medium. Fresenius J Anal Chem 354, 221–226 (1996). https://doi.org/10.1007/PL00012729

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  • DOI: https://doi.org/10.1007/PL00012729

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