Gas chromatographic-mass spectrometric methodology using solid-phase microextraction for the multiresidue determination of pesticides in surface waters

Solid-phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS) and selected ion monitoring (SIM) was used for the analytical determination of priority pesticide residues. Fibers coated with a 65-µm film thickness of polydimethylsiloxane divinylbenzene (PDMS-DVB) were us...

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Bibliographic Details
Published in:International journal of environmental analytical chemistry 2004-12, Vol.84 (14-15), p.1079-1092
Main Authors: Albanis, Triantafyllos A., Hela, Dimitra G., Lambropoulou, Dimitra A., Vasilios, A. Sakkas
Format: Article
Language:English
Subjects:
Greece
Pesticides
SPME
Water analysis
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Summary:Solid-phase microextraction (SPME) coupled with gas chromatography-mass spectrometry (GC-MS) and selected ion monitoring (SIM) was used for the analytical determination of priority pesticide residues. Fibers coated with a 65-µm film thickness of polydimethylsiloxane divinylbenzene (PDMS-DVB) were used to extract 31 pesticides of different chemical groups. The quality parameters of the method demonstrated a good precision with detection limits of 1-56 ng/L. Linearity was controlled in the range of 0.1-50 µg/L. The proposed method was applied for the trace-level determination of the target pesticides in surface water samples including three rivers and one lake at the Epirus region (north-west Greece) for a period of one year. The results demonstrate the suitability of the SPME-GC-MS approach for the analysis of multi-residue pesticides in environmental water samples.
ISSN:0306-7319
1029-0397
DOI:10.1080/0306731042000268495