Relative Tropospheric Photolysis Rates of Acetaldehyde and Formaldehyde Isotopologues Measured at the European Photoreactor Facility

The photolysis rates of HCHO, DCDO, CH3CHO, and CH3CDO are studied by long-path FTIR spectroscopy in natural tropospheric conditions at the European Photoreactor Facility (EUPHORE) in Valencia, Spain. Average relative photolysis rates j HCHO/j DCDO = 3.15 ± 0.08 and j CH3CHO/j CH3CDO = 1.26 ± 0.03 a...

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Published inThe journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory Vol. 113; no. 15; pp. 3498 - 3504
Main Authors Nilsson, Elna J. K, Bache-Andreassen, Lihn, Johnson, Matthew S, Nielsen, Claus J
Format Journal Article
LanguageEnglish
Published United States American Chemical Society 16.04.2009
Subjects
A: Kinetics, Spectroscopy
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Summary:The photolysis rates of HCHO, DCDO, CH3CHO, and CH3CDO are studied by long-path FTIR spectroscopy in natural tropospheric conditions at the European Photoreactor Facility (EUPHORE) in Valencia, Spain. Average relative photolysis rates j HCHO/j DCDO = 3.15 ± 0.08 and j CH3CHO/j CH3CDO = 1.26 ± 0.03 are obtained from three days of experiments for each reaction in the period June 17 to July 7, 2006.
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ISSN:1089-5639
1520-5215
DOI:10.1021/jp811113c