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 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.
Keywords: Greece; Pesticides; SPME; Water analysis
Document Type: Research Article
Affiliations: Department of Farm Organization and Management University of Ioannina Agrinio 30100 Greece
Publication date: 01 December 2004
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