期刊
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
卷 16, 期 48, 页码 26701-26706出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4cp04408h
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资金
- Laboratory-Directed Research and Development (LDRD) program at Sandia National Laboratories
- Sandia Corporation, a Lockheed Martin Company, for the National Nuclear Security Administration [DE-AC04-94-AL85000]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences as part of the Argonne-Sandia Consortium on High-Pressure Combustion Chemistry [11-014544]
- DOE Office of Science Workforce Development Program for Teachers and Scientists Summer Undergraduate Laboratory Internship
We measure the UV absorption spectrum of a Criegee intermediate acetaldehyde oxide, CH3CHOO, using time-resolved broadband cavity-enhanced spectrometry. We separate the spectra of the two possible structural isomers, syn- and anti-CH3CHOO, based on their different reactivity towards H2O and SO2. Despite significant overlap, the spectra of the two conformers are sufficiently separated to allow direct conformer-specific probing of the reactions of CH3CHOO with other important tropospheric species.
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