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Fibre-optic sensor for the determination of polynuclear aromatic hydrocarbons with time-resolved, laser-induced fluorescence

  • Technical University of Munich
  • Max-Planck-Institut für Quantenoptik

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

For in situ and on-line detection of polynuclear aromatic hydrocarbons (PAHs) in water, a fibre-optic sensor system with a fibre length of 50 m is presented. Laser-induced, time-resolved fluorescence spectroscopy allows detection limits in the ng l-1 range. Analytical figures of merit are given for thirteen environmentally relevant PAHs in water. First results for a binary mixture of fluoranthene and pyrene are presented. A deconvolution algorithm is described that simplifies the analysis of time-resolved emission spectra of single- and multi-component PAH mixtures.

Original languageEnglish
Pages (from-to)231-243
Number of pages13
JournalAnalytica Chimica Acta
Volume255
Issue number2
DOIs
StatePublished - 24 Dec 1991

Keywords

  • Fibre-optic sensor
  • Fluorimetry
  • Polynuclear aromatic hydrocarbons

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