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Cavity ringdown spectroscopy of intermediates in the reactions of aromatics + OH

Messinger, Joseph and Vinson, James and Meng, Qinghui and Okumura, Mitchio (2019) Cavity ringdown spectroscopy of intermediates in the reactions of aromatics + OH. In: 258th ACS National Meeting & Exposition, 25-29 August 2019, San Diego, CA.

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Arom. compds., such as toluene and benzene, are important anthropogenically emitted volatile org. compds. in urban areas, and lead to the prodn. of secondary org. aerosols. However, there are many questions that remain about the mechanism of their atm. oxidn. and very few direct observations of the radial intermediates have been made. Therefore, we have used mid-IR pulsed-laser photolysis cavity ringdown spectroscopy to directly detect the hydroxy-cyclohexadienyl radicals formed from the addn. of OH to toluene and benzene in lab. expts. Vibrational spectra and kinetic models of the reaction chem. will be presented.

Item Type:Conference or Workshop Item (Paper)
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Okumura, Mitchio0000-0001-6874-1137
Additional Information:© 2019 American Chemical Society.
Record Number:CaltechAUTHORS:20190812-082701767
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:97744
Deposited By: Tony Diaz
Deposited On:12 Aug 2019 18:20
Last Modified:03 Oct 2019 21:34

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