Influence of acidity on liquid–liquid phase transitions of mixed secondary organic aerosol (SOA) proxy–inorganic aerosol droplets
Yueling Chen,Xiangyu Pei,Huichao Liu,Yikan Meng,Zhengning Xu,Fei Zhang,Chun Xiong,Thomas C. Preston,and Zhibin Wang
Yueling Chen
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Xiangyu Pei
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Huichao Liu
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Yikan Meng
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Zhengning Xu
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Chun Xiong
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
Thomas C. Preston
Department of Atmospheric and Oceanic Sciences, McGill University, 805 Sherbrooke Street West, Montréal, Quebec
H3A 0B9, Canada
Department of
Chemistry, McGill University, 805 Sherbrooke Street West, Montréal, Quebec
H3A 0B9, Canada
Zhejiang Provincial Key Laboratory of Organic Pollution Process and
Control, MOE Key Laboratory of Environment Remediation and Ecological
Health, College of Environmental and Resource Sciences, Zhejiang University,
Hangzhou 310058, China
ZJU-Hangzhou Global Scientific and Technological Innovation Center,
Zhejiang University, Hangzhou 311215, China
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The impact of acidity on the phase transition behavior of levitated aerosol particles was examined. Our results revealed that lower acidity decreases the separation relative humidity of aerosol droplets mixed with ammonium sulfate and secondary organic aerosol proxy. Our research suggests that in real atmospheric conditions, with the high acidity found in many ambient aerosol particles, droplets encounter heightened impediments to phase separation and tend to display a homogeneous structure.
The impact of acidity on the phase transition behavior of levitated aerosol particles was...
