Oxygenated products formed from OH-initiated reactions of trimethylbenzene: autoxidation and accretion
Yuwei Wang,Archit Mehra,Jordan E. Krechmer,Gan Yang,Xiaoyu Hu,Yiqun Lu,Andrew Lambe,Manjula Canagaratna,Jianmin Chen,Douglas Worsnop,Hugh Coe,and Lin Wang
Yuwei Wang
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Jiangwan Campus, Fudan University, Shanghai 200438, China
Center for Aerosol and Cloud Chemistry, Aerodyne Research Inc.,
Billerica, MA, USA
Gan Yang
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Jiangwan Campus, Fudan University, Shanghai 200438, China
Xiaoyu Hu
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Jiangwan Campus, Fudan University, Shanghai 200438, China
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Jiangwan Campus, Fudan University, Shanghai 200438, China
Douglas Worsnop
Center for Aerosol and Cloud Chemistry, Aerodyne Research Inc.,
Billerica, MA, USA
Shanghai Key Laboratory of Atmospheric Particle Pollution and
Prevention (LAP3), Department of Environmental Science and Engineering,
Jiangwan Campus, Fudan University, Shanghai 200438, China
Collaborative Innovation Center of Climate Change, Nanjing 210023,
China
Shanghai Institute of Pollution Control and Ecological Security,
Shanghai 200092, China
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A series of OH-initiated oxidation experiments of trimethylbenzene were investigated in the absence and presence of NOx. Many C9 products with 1–11 oxygen atoms and C18 products presumably formed from dimerization of C9 peroxy radicals were observed, hinting at the extensive existence of autoxidation and accretion reaction pathways. The presence of NOx would suppress the formation of highly oxygenated C18 molecules and enhance the formation of organonitrates and even dinitrate compounds.
A series of OH-initiated oxidation experiments of trimethylbenzene were investigated in the...
