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TDCIAMS (Thermal Desorption Chemical Ionization Aerosol Mass Spectrometer) : Analyse en ligne de l'Aérosol Organique - développement et applications

Abstract : The general context of this study is the on-line analysis of Secondary Organic Aerosol (SOA) chemical composition for a better understanding of its formation and aging. It consists in the development of a thermal desorption chemical ionization mass spectrometer: TDCIAMS. The instrument performances characterization and the study of the SOA formed from a-pinene ozonolysis in an Atmospheric Simulation Chamber (ASC) have shown that the TDCIAMS is well adapted to quantitative analysis of SOA generated in ASC. Concentration profiles of SOA components permit to obtain essential information about SOA formation mechanisms and aging. Moreover, the analysis of the SOA formed from the ozonolysis of two less studied anthropogenic compounds (2-methylstyrene and indene) has been realised and compared with those made by an off-line analysis method (SFE-GC-MS).
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https://tel.archives-ouvertes.fr/tel-00182294
Contributor : Grégory Eyglunent <>
Submitted on : Thursday, October 25, 2007 - 2:11:17 PM
Last modification on : Thursday, December 20, 2018 - 10:27:45 AM
Long-term archiving on: : Monday, April 12, 2010 - 12:39:24 AM

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Grégory Eyglunent. TDCIAMS (Thermal Desorption Chemical Ionization Aerosol Mass Spectrometer) : Analyse en ligne de l'Aérosol Organique - développement et applications. Océan, Atmosphère. Université de Provence - Aix-Marseille I, 2007. Français. ⟨tel-00182294⟩

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