Particle-Phase Photoreactions of HULIS and TMIs Establish a Strong Source of H2O2 and Particulate Sulfate in the Winter North China Plain

During haze periods in the North China Plain, extremely high NO concentrations have been observed, commonly exceeding 1 ppbv, preventing the classical gas-phase H2O2 formation through HO2 recombination. Surprisingly, H2O2 mixing ratios of about 1 ppbv were observed repeatedly in winter 2017. Combine...

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Veröffentlicht in:	Environmental science & technology 2021-06, Vol.55 (12), p.7818-7830
Hauptverfasser:	Ye, Can, Chen, Hui, Hoffmann, Erik H, Mettke, Peter, Tilgner, Andreas, He, Lin, Mutzel, Anke, Brüggemann, Martin, Poulain, Laurent, Schaefer, Thomas, Heinold, Bernd, Ma, Zhuobiao, Liu, Pengfei, Xue, Chaoyang, Zhao, Xiaoxi, Zhang, Chenglong, Zhang, Fei, Sun, Hao, Li, Qing, Wang, Lin, Yang, Xin, Wang, Jinhe, Liu, Cheng, Xing, Chengzhi, Mu, Yujing, Chen, Jianmin, Herrmann, Hartmut
Format:	Artikel
Sprache:	eng
Schlagworte:	Anthropogenic Impacts on the Atmosphere Chambers Haze Hydrogen peroxide Irradiation Metal ions Mixing ratio Oxidation Particulate matter Photochemical reactions Photochemicals Radiation Recombination Relative humidity Sulfates Sulfur dioxide Transition metals Winter
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