Detection of a steady state concentration of HNO by photoacoustic spectroscopy |
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| Affiliation: | 1. Université de Bordeaux, Laboratoire d’Astrophysique de Bordeaux, UMR 5804, F-33270 Floirac, France;2. CNRS, Laboratoire d’Astrophysique de Bordeaux, UMR 5804, F-33270 Floirac, France;3. Université de Bordeaux, Institut des Sciences Moléculaires, UMR 5255, F-33400 Talence, France;4. CNRS, Institut des Sciences Moléculaires, UMR 5255, F-33400 Talence, France;5. SSAI/NASA LaRC, Hampton, VA 23681-2199, USA;1. Applied Physics Division, National Institute of Standards and Technology, 325 Broadway, Boulder, CO 80305, USA;2. Department of Physics, University of Colorado Boulder, Boulder, CO 80309, USA;1. Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA;2. Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, CA 91125, USA;1. Department of Physics and Astronomy, University of Calgary, 2500 University Drive North West, Calgary, Alberta T2N 1N4, Canada;2. National Research Council of Canada, Ottawa, Ontario K1A 0R6, Canada |
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| Abstract: | The HNO radical's spectrum has been recorded in the 740–770 nm range via a high resolution, intracavity photoacoustic technique. Hydrogen peroxide diethylene triamine reacted to produce a steady state concentration of HNO within the photoacoustic cell that was detectable for several hours before the reactants were depleted. Rotational simulations were employed to identify the HNO radical. |
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