Solid-phase extraction of polar pesticides from environmental water samples on graphitized carbon and Empore-activated carbon disks and on-line coupling to octadecyl-bonded silica analytical columns.

J. Slobodník, O. Oztekizan, H. Lingeman, U.A.T. Brinkman

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

The suitability of Empore-activated carbon disks (EACD), Envi-Carb graphitized carbon black (GCB) and CPP-50 graphitized carbon for the trace enrichment of polar pesticides from water samples was studied by means of off-line and on-line solid-phase extraction (SPE). In the off-line procedure, 0.5-2 l samples spiked with a test mixture of oxamyl, methomyl and aldicarb sulfoxide were enriched on EnviCarb SPE cartridges or 47 mm diameter EACD and eluted with dichloromethane-methanol. After evaporation, a sample was injected onto a C
Original languageEnglish
Pages (from-to)227-238
JournalJournal of Chromatography A
Volume750
DOIs
Publication statusPublished - 1996

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