Differentiation of mobile and immobile pesticides on anionic clays by 1H HR MAS NMR spectroscopy

Bruno Combourieu; Jérôme Inacio; Anne-Marie Delort; Claude Forano

doi:10.1039/B106964K

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Differentiation of mobile and immobile pesticides on anionic clays by ¹H HR MASNMR spectroscopy

Bruno Combourieu,^a Jérôme Inacio,^b Anne-Marie Delort*^a and Claude Forano^b

Author affiliations

* Corresponding authors

^a Laboratoire de Synthèse et Etude des Systèmes à Intérêt Biologique, Université Blaise Pascal, CNRS UMR 6504, France.
E-mail: amdelort@chimtp.univ-bpclermont.fr

^b Laboratoire des Matériaux Inorganiques, Université Blaise Pascal, CNRS UMR 6002, 24 Avenue des Landais, Aubière Cedex, France

Abstract

Adsorbed vs. intercalated MCPA (4-chloro-2-methylphenoxyacetic acid) in highly hydrated clays taken as a soil model were clearly distinguished by¹H HR MAS NMR; adsorbed herbicide gave sharp signals indicating high mobility while intercalated herbicide gave very wide unresolved spectra due to its strong interaction with the solid matrix.

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Article information

DOI: https://doi.org/10.1039/B106964K
Article type: Communication
Submitted: 02 Aug 2001
Accepted: 18 Sep 2001
First published: 11 Oct 2001

Download Citation

Chem. Commun., 2001, 2214-2215

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Differentiation of mobile and immobile pesticides on anionic clays by ¹H HR MAS NMR spectroscopy

B. Combourieu, J. Inacio, A. Delort and C. Forano, Chem. Commun., 2001, 2214 DOI: 10.1039/B106964K

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