Atmospheric fate of two relevant unsaturated ketoethers: kinetics, products and mechanisms for the reaction of hydroxyl radicals with (E)-4-methoxy-3-buten-2-one and (1E)-1-methoxy-2-methyl-1-penten-3-one
Rodrigo Gastón Gibilisco,Ian Barnes,Iustinian Gabriel Bejan,and Peter Wiesen
Faculty of Chemistry, Department of Chemistry, Alexandru Ioan Cuza University of Iasi, 11 Carol I, Iasi 700506, Romania
Integrated Centre of Environmental Science Studies in the North Eastern Region, Alexandru Ioan Cuza University of Iasi, 11 Carol I, Iasi 700506, Romania
Peter Wiesen
Institute for Atmospheric and Environmental Research, Bergische Universität Wuppertal, 42097 Wuppertal, Germany
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Environmental chamber studies were performed to evaluate atmospheric degradation initiated by OH radicals for two unsaturated methoxy ketones. The main gas-phase oxidation products identified and quantified from these reactions are carbonyls and long-lived nitrogen-containing compounds such as peroxyacetyl nitrate and peroxypropionyl nitrate. The kinetic rate constants and atmospheric lifetimes were estimated, degradation mechanisms were developed, and atmospheric implications were assessed.
Environmental chamber studies were performed to evaluate atmospheric degradation initiated by OH...
