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Reactions of ozone and hydroxyl radical with sea salt aerosol: Experiments, Simulations, and Implications

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    0102992 - UOCHB-X 20043384 RIV US eng C - Conference Paper (international conference)
    Hunt, S. W. - Roeselová, Martina - Robertson, W. H. - Wang, W. - Wingen, L. M. - Tobias, D. J. - Finlayson-Pitts, B. J. - Vieceli, J. S. - Knipping, E. M. - Dabdub, D. - Jungwirth, Pavel
    Reactions of ozone and hydroxyl radical with sea salt aerosol: Experiments, Simulations, and Implications.
    [Reakce ozónu a hydroxylového radikálu s aerosoly mořské soli: Experimenty, simulace a implikace.]
    CRC Workshop on Chemistry at Interfaces. Irvine: University of California, 2004, s. -.
    [CRC Workshop on Chemistry at Interfaces. Hyatt Newporter (US), 29.06.2004]
    Institutional research plan: CEZ:AV0Z4055905
    Keywords : aerosol chamber experiment * sea-salt aerosol * MD simulation
    Subject RIV: CF - Physical ; Theoretical Chemistry

    Mechanism of the reactions of O3 and OH with NaCl and NaBr aerosols above their deliquescence point was investigated in an aerosol chamber experiment, and heterogeneous reactions via OH...Cl and O3...Br surface complexes was proposed. Molecular dynamics simulations provide support for such reaction mechanism by showing that OH and O3 strongly prefer to reside at the air/water interface and make frequent contacts with chloride and bromide ions

    Mechanismus reakcí O3 a OH s aerosoly NaCl a NaBr nad mezí rozpustnosti byl studován v experimentu v aerosolové komoře a v heterogenních reakcích přes povrchové komplexy OH...Cl a O3...Br. Simulace molekulové dynamiky podporují možnost takových reakcí a ukazují, že OH a O3 preferují rozhraní vzduch/voda a často přicházejí do styku s chloridovými a bromidovými ionty
    Permanent Link: http://hdl.handle.net/11104/0010325
     

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