Isomer-specific detection of azaarenes in environmental samples by Shpol'skii luminescence spectroscopy.

I.S. Kozin, O.F.A. Larsen, P. de Voogt, C. Gooijer, N.H. Velthorst

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

An isomer-specific detection method based on Shpol'skii spectroscopy, a cryogenic high-resolution luminescence technique, has been developed to enable determination of nitrogen-containing in-ring substituted polycyclic aromatic compounds in environmental samples. Using conventional lamp excitation in combination with fluorescence and phosphorescence emission, a number of individual benzo- and dibenzacridines as well as 1-azapyrene have been unambiguously identified and quantitatively determined in river and lake sediment samples collected from selected sites in The Netherlands. The limits of detection observed for the examined aza-PACs are in the 10-100 picogram range.
Original languageEnglish
Pages (from-to)181
JournalAnalytica Chimica Acta
Volume354
DOIs
Publication statusPublished - 1997

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