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Competitive oxidation in atmospheric aerosols: The case for relative kinetics
Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
Department of Engineering and Public Policy, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
Department of Chemical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
We develop relative kinetics for heterogeneous oxidation of multi-component organic aerosols. Common accommodation, diffusion, and deposition terms cancel in this formulation, and rate constants may be determined for many compounds simultaneously within an aerosol with a realistic composition. Finally, cross-phase relative rate constants with a gas-phase reference compound and a condensed-phase target compound provide effective rate constants for use in atmospheric models.
Received 8 March 2005; accepted 18 July 2005; published 18 August 2005.
Citation: (2005), Competitive oxidation in atmospheric aerosols: The case for relative kinetics, Geophys. Res. Lett., 32, L16805, doi:10.1029/2005GL022893.
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