Issue 11, 2008

Features of a micro-gas chromatograph equipped with enrichment device and microchip plasma emission detection (μPED) for air monitoring

Abstract

A field portable gas chromatograph (GC) was constructed allowing the enrichment of organic solutes from air samples on a miniaturized chemical trap and the subsequent gas chromatographic analysis on a resistively heated capillary column. The heart of the system is an integrated chip-based plasma emission detector (μPED). As a non-selective detector, the sensitivity is similar to that of a flame ionization detector (FID). The detector shows good selectivity for phosphorus, sulfur and chlorine-containing compounds with relative selectivities of ca. 5 × 105 gP gC−1, 50 gS gC−1 and 102 gCl gC−1. The lifetime of the plasma chip under air monitoring conditions exceeded 3000 analyses.

Graphical abstract: Features of a micro-gas chromatograph equipped with enrichment device and microchip plasma emission detection (μPED) for air monitoring

Article information

Article type
Paper
Submitted
08 Jul 2008
Accepted
05 Aug 2008
First published
30 Sep 2008

Lab Chip, 2008,8, 1819-1828

Features of a micro-gas chromatograph equipped with enrichment device and microchip plasma emission detection (μPED) for air monitoring

B. Tienpont, F. David, W. Witdouck, D. Vermeersch, H. Stoeri and P. Sandra, Lab Chip, 2008, 8, 1819 DOI: 10.1039/B811599K

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