Journal
TALANTA
Volume 66, Issue 1, Pages 266-270Publisher
ELSEVIER
DOI: 10.1016/j.talanta.2004.11.016
Keywords
solid phase microextraction (SPME); HPLC; Nabam; Thiram; azamethiphos; water samples
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Nabam, Thiram, and Azamethiphos are important agrochemicals and were analysed in agricultural water samples by extraction with solid phase microextraction coupled to HPLC with UV detection. The role of solid phase microextraction technique for the determination of these pesticides in water samples was investigated. Water samples spiked with these pesticides were preconcentrated using a polydimethylsiloxane (PDMS) fiber. Both dynamic and the static modes were tried and the static mode was found to give better recoveries and peak areas. The method enabled the determination of the pesticides at low concentrations with a limit of detection (S/N=3) is 1-10 ng/ml.
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