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

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journal contribution
posted on 2009-04-16, 00:00 authored by Elna J. K. Nilsson, Lihn Bache-Andreassen, Matthew S. Johnson, Claus J. Nielsen
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 jHCHO/jDCDO = 3.15 ± 0.08 and jCH3CHO/jCH3CDO = 1.26 ± 0.03 are obtained from three days of experiments for each reaction in the period June 17 to July 7, 2006.