Volume 26, Number 1, January/February 1998Chromatographie en phase gazeuse
|Page(s)||8 - 14|
Simultaneous determination of phenylureas and triazines in water, by capillary gas chromatography with ion trap detection and large volume injectionC. Charrêteur1, R. Colin1, D. Morin2 and J.J. Péron2
1 Laboratoire d'Hygiène Publique et Industrielle, Université de Bretagne Sud, Centre de Génie Industriel, Guidel-plages, 56520 Guidel, France
2 Laboratoire de Chimie Analytique Appliquée, Université de Bretagne Sud, Centre de Génie Industriel, Guidel-plages, 56520 Guidel, France
A GC method is described for the simultaneous determination of triazines and phenylureas in aqueous samples by large volume injection with a Programmable Temperature Vaporisator injector (PTV) and ion trap detection (ITD). The analytical column (DB 5MS, 30 m, 0.25 mm, 0.25 mm) is connected to a pre-column (DB 5MS, 5 m, 0.25 mm, 0.25 mm) via a cross piece valve (MCS) to prevent residual solvant vapour from polluting the analytical column. The 8 pesticides (4 triazines and 4 ureas) are determined by this method, the linearity is improved using 2 Fisher test. The detection and the quantification limits are also determined for each compounds and are less than 0.10 mg/L which is the limit fixed by the ECC reglementation on drinking water.
© EDP Sciences, Wiley-VCH 1998
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