Effects of relative humidity on the characterization of a photochemical smog chamber |
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| Authors: | Gaoshuo Hu Yongfu Xu and Long Jia |
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| Institution: | 1. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics,Chinese Academy of Sciences, Beijing 100029, China;Graduate University of Chinese Academy of Sciences, Beijing 100049, China
2. State Key Laboratory of Atmospheric Boundary Layer Physics and Atmospheric Chemistry, Institute of Atmospheric Physics,Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: | Water vapor plays an important role in many atmospheric chemical reactions. A self-made indoor environmental smog chamber was used to investigate the effects of relative humidity (RH) on its characterization, which included the wall effects of reactive species such as O3 and NOx, and the determination of chamber-dependent OH radicals in terms of CO-NOx irradiation experiments. Results showed that the rate constant of O3 wall losses increased with increasing RH, and that their relationship was linearly signi... |
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| Keywords: | chamber characterization relative humidity wall effects OH radicals |
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