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Progress in Plasma Processing of Materials, 2003

ISBN Imprimir:
978-1-56700-192-1
ISBN On-line:
978-1-56700-447-2

UTILIZATION OF TIME RESOLVED LASER INDUCED BREAKDOWN SPECTROSCOPY FOR THE IDENTIFICATION OF METALLIC SPECIES IN DIESEL PARTICULATES

K. Lombaert
Laboratoire de Mécanique Physique, Université Pierre et Marie Curie (Paris VI), CNRS UMR 7068, 2, Place de la Gare de Ceinture, 78210 Saint Cyr L’Ecole, France

S. Morel
Centre d'Etudes du Bouchet, Direction des Centres d'Expertise et d'Essais, BP 3,91710 Vert-le-Petit, FRANCE

L. Le Moyne
laboratoire de Mécanique Physique, Université Pierre et Marie Curie (Paris VI), CNRS UMR 7068, 78210 Saint Cyr L'Ecole, France

J. Lelievre
Ecole Nationale Supérieure de Chimie de Paris, 11, Rue Pierre et Marie Curie, 75005 Paris Cédex, France

J. Tardieu de Maleissye
laboratoire de Mécanique Physique, Université Pierre et Marie Curie (Paris VI), CNRS UMR 7068, 78210 Saint Cyr L'Ecole, France

P. Adam
Section détection physique, Centre d’Etudes du Bouchet, Direction des Centres d'Expertise et d'Essais, Delegation Generate pour l’Armement, BP 3, 91710 Vert le Petit, France

Jacques Amouroux
Laboratoire de Genie des Precedes Plasmas Universite P. et M. Curie, ENSCP 11 rue P. et M. Curie 75005 Paris France

Resumo

Metallic species are commonly used as catalyst during combustion process and have consequences for environment. In this paper, an emerging elementary analysis (The TRELIBS technique or Time Resolved Laser Induced Breakdown Spectroscopy) method was used for a rapid quantification of metallic species contained in diesel particles (10−3 s) without any sample preparation. In a second step, we have used the Electron Spin Resonance (ESR) technique in order to characterize the structure of organo-metallic species with paramagnetic properties. The comparison of results obtain by TRELIBS and ESR give us the nature of the metal in the organo-metallic species.