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Title:Studying Ozonolysis Reactions Of 2-butenes Using Cavity Ring-down Spectroscopy
Author(s):Liu, Yingdi
Contributor(s):Zhang, Jingsong; Priest, Chad; Campos-Pineda, Mixtli; Wang, Liming
Subject(s):Mini-symposium: Spectroscopy in Kinetics and Dynamics
Abstract:Ozonolysis reactions of alkenes are important oxidation pathways of alkenes in the atmosphere, and they are also significant sources of tropospheric hydroxyl radicals. In this work, ozone reactions with {\it trans}- and {\it cis}-2-butene are studied using cavity ring-down spectroscopy (CRDS). Vinoxy (CH$_{2}$CHO) radical, a proposed co-product of OH from dissociation of Criegee intermediates following the primary ozonolysis of 2-butenes, is directly observed. The vinoxy formation is found to decrease with increasing pressure. Formaldehyde (HCHO), a side-product in the ozonolysis reactions, is also monitored. Chemical kinetic modeling has been performed to illustrate the reaction mechanisms and to quantify the reactive intermediate and product yields.
Issue Date:2014-06-18
Publisher:International Symposium on Molecular Spectroscopy
Citation Info:Liu, Y.; Zhang, J.; Priest, C.; Campos-Pineda, M.; Wang, L. STUDYING OZONOLYSIS REACTIONS OF 2-BUTENES USING CAVITY RING-DOWN SPECTROSCOPY. Proceedings of the International Symposium on Molecular Spectroscopy, Urbana, IL, June 16-21, 2014. DOI: 10.15278/isms.2014.WH12
Genre:Conference Paper / Presentation
Rights Information:Copyright 2014 by the authors. Licensed under a Creative Commons Attribution 4.0 International License.
Date Available in IDEALS:2014-09-17

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