On-line coupling of solid-phase extraction and gas chromatography with atomic emission detection for analysis of trace pollutants in aqueous samples.

U.A.T. Brinkman, F.D. Rinkema, A.J.H. Louter, T. Hankemeier

Research output: Contribution to JournalArticleAcademicpeer-review

Abstract

An on-line, solid-phase extraction gas chromatography atomic-emission detection (SPE-GC-AED) system has been set up using an on-column interface to transfer 100 μl of desorbing solvent to the GC part of the system. Analytical characteristics such as recovery, precision and linearity of calibration plots were comparable with those of the off-line combination of SPE-GC-AED using organophosphorus pesticides as test compounds. The fully on-line set-up causes a marked improvement in detection because of the quantitative transfer of the analytes from the SPE module to the GC: detection limits are as low as 5-20 ng l
Original languageEnglish
Pages (from-to)119
JournalChromatographia
Volume40
DOIs
Publication statusPublished - 1995

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