Simultaneous determination of sulfonylurea herbicide synthetic binary mixtures by a partial least square method combined with micellar-enhanced photochemically-induced fluorescence application to tap water analysis

Authors

  • Atanasse Coly Laboratoire de Photochimie et d’Analyse (LPA), Faculté des Sciences et Techniques, Département de Chimie, Université Cheikh Anta DIOP, Dakar
  • Jean-Jacques Aaron Laboratoire ITODYS de l’ Université Paris 7–Denis Diderot – CNRS – UMR 7086, Bâtiment Lavoisier – 15 rue Jean de Baïf – 75205 Paris Cedex 13 Université Paris – Est Marne la Vallée, Laboratoire G2I, 5 boulevard Descartes, Champs-sur-Marne, 77454 Marne-la-Vallée Cedex 2

DOI:

https://doi.org/10.20450/mjcce.2009.219

Keywords:

partial least square, micellar-enhanced photochemically-induced fluorescence, sulfonylurea herbicides, tap water analysis

Abstract

A combination of the partial least square method in its first variable (PLS-1) with micellar-enhanced photochemically- induced fluorescence (MEPIF) was developed for the simultaneous determination of synthetic binary mixtures of four sulfonylurea herbicides in aqueous micellar solutions, and applied to tap water analysis. Because of their similar features, the MEPIF emission spectra of these herbicides were found to severely overlap in the whole wavelength region. After optimization of the calibration matrix, the PLS-1-MEPIF method was applied to the resolution of chlorsulfuron/metsulfuron methyl and sulfometuron methyl/3-rimsulfuron binary mixtures. The analytical results obtained by the PLS-1-MEPIF method were presented and compared to those of the first-derivative PIF one. An application of the PLS-1-MEPIF method to the quantitative analysis of Paris tap water samples spiked with the herbicide binary mixtures led to recovery values ranging between 63 and 118 %, depending on the mixture.

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Published

2009-06-15

How to Cite

Coly, A., & Aaron, J.-J. (2009). Simultaneous determination of sulfonylurea herbicide synthetic binary mixtures by a partial least square method combined with micellar-enhanced photochemically-induced fluorescence application to tap water analysis. Macedonian Journal of Chemistry and Chemical Engineering, 28(1), 33–40. https://doi.org/10.20450/mjcce.2009.219

Issue

Vol. 28 No. 1 (2009)

Section

Analytical Chemistry

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