Application of time-resolved,laser-induced and fiber-optically guided fluorescence for monitoring of a PAH-contaminated remediation site |
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| Authors: | R Kotzick R Niessner |
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| Institution: | (1) Institute of Hydrochemistry, Technical University of Munich, Marchioninistrasse 17, D-81377 München, Germany, DE |
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| Abstract: | A fiber-optical sensor system for the on-line and in situ detection of aquatic polycyclic aromatic hydrocarbons (PAH) has
been described. Detection limits in the ng l−1 range have been obtained using time-resolved laser-induced fluorescence spectroscopy. The method has been applied to the
detection of pyrene in real samples from a contaminated area. Interferences from humic material has been eliminated by the
use of chemometric methods such as three dimensional least squares and partial least squares.
Received: 18 January 1995 / Revised: 3 March 1995 / Accepted: 10 March 1995
Correspondence to: R. Niessner |
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