Distribution and stable carbon isotopic composition of dicarboxylic acids, ketocarboxylic acids and α-dicarbonyls in fresh and aged biomass burning aerosols
Minxia Shen,Kin Fai Ho,Wenting Dai,Suixin Liu,Ting Zhang,Qiyuan Wang,Jingjing Meng,Judith C. Chow,John G. Watson,Junji Cao,and Jianjun Li
Minxia Shen
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
University of Chinese Academy of Sciences, Beijing, China
Kin Fai Ho
The Jockey Club School of Public Health and Primary Care, The Chinese
University of Hong Kong, Hong Kong, China
Shenzhen Municipal Key Laboratory for Health Risk Analysis, Shenzhen
Research Institute, The Chinese University of Hong Kong, Shenzhen, China
Wenting Dai
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Suixin Liu
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Ting Zhang
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Qiyuan Wang
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Jingjing Meng
School of Geography and the Environment, Liaocheng University,
Liaocheng 252000, China
Judith C. Chow
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Division of Atmospheric Sciences, Desert of Research Institute, Reno, Nevada, USA
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
Division of Atmospheric Sciences, Desert of Research Institute, Reno, Nevada, USA
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
State Key Laboratory of Loess and Quaternary Geology, Key Laboratory of
Aerosol Chemistry and Physics, Institute of Earth Environment, Chinese
Academy of Sciences, Xi'an 710061, China
CAS Center for Excellence in Quaternary Science and Global Change,
Xi'an 710061, China
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Looking at characteristics and δ13C compositions of dicarboxylic acids and related compounds in BB aerosols, we used a combined combustion and aging system to generate fresh and aged aerosols from burning straw. The results showed the emission factors (EFaged) of total diacids of aging experiments were around an order of magnitude higher than EFfresh. This meant that dicarboxylic acids are involved with secondary photochemical processes in the atmosphere rather than primary emissions from BB.
Looking at characteristics and δ13C compositions of dicarboxylic acids and related compounds in...
