Issue 9, 2009

Ozonolysis of organic compounds and mixtures in solution. Part I: Oleic, maleic, nonanoic and benzoic acids

Abstract

In this paper, infrared spectroscopic and mass spectrometric studies of the ozonolysis of some simple proxies of precursors to organic materials found in atmospheric aerosols is reported. Oleic and maleic acids are used as proxies of reactive material, containing unsaturation which is amenable to ozonolysis. Nonanoic acid and benzoic acid are utilised as co-reactants which, although not likely to undergo direct ozonolysis themselves, are potential reaction partners to the Criegee radical intermediates formed from oleic and maleic acid ozonolysis. The precursor species are studied as single components in solution, followed by co-reaction studies. The products of the ozonolysis are followed by mass spectrometry and infrared spectroscopy. The product distributions from oleic and maleic acid are broadly in agreement with those observed in other studies. In the co-reaction studies, new evidence for cross-reaction products is obtained. Furthermore, the nature of some of the products does not fully comply with the widely accepted Ziemann scheme.

Graphical abstract: Ozonolysis of organic compounds and mixtures in solution. Part I: Oleic, maleic, nonanoic and benzoic acids

Supplementary files

Article information

Article type
Paper
Submitted
04 Sep 2008
Accepted
10 Dec 2008
First published
27 Jan 2009

Phys. Chem. Chem. Phys., 2009,11, 1427-1440

Ozonolysis of organic compounds and mixtures in solution. Part I: Oleic, maleic, nonanoic and benzoic acids

D. J. Last, J. J. Nájera, R. Wamsley, G. Hilton, M. McGillen, C. J. Percival and A. B. Horn, Phys. Chem. Chem. Phys., 2009, 11, 1427 DOI: 10.1039/B815425B

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