Determination of polar pesticides in soil by solid phase microextraction coupled to high-performance liquid chromatography-electrospray/mass spectrometry |
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| Authors: | M M?der P Popp R Eisert and J Pawliszyn |
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| Institution: | (1) Center for Environmental Research Leipzig-Halle Ltd., Department of Analytical Chemistry, Permoserstra?e 15, D-04318 Leipzig, Germany, DE;(2) Department of Chemistry, University of Waterloo, Waterloo, Ontario, N2L 3G1, Canada, CA |
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| Abstract: | The determination of carbamate and triazine pesticides from soil leachates and slurries was investigated using solid phase
microextraction (SPME) coupled to high-performance liquid chromatography-electrospray/ mass spectrometry (HPLC-ESI/MS). SPME
was carried out using fibres with a newly developed 50 μm Carbowax/ template coating which are suitable for relatively polar
analytes. These fibers exhibit precisions better than 10% RSD, and are resistant against high contents of organic solvents
during desorption. The technique shows a high sampling frequency resulting in an increasing sample throughput.
Received: 17 December 1997 / Revised: 30 October 1998 / Accepted: 10 November 1998 |
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