Characterization of tandem aerosol classifiers for selecting particles: implication for eliminating the multiple charging effect
Yao Song,Xiangyu Pei,Huichao Liu,Jiajia Zhou,and Zhibin Wang
Yao Song
College of Environmental and Resource Sciences, Zhejiang Provincial
Key Laboratory of Organic Pollution Process and Control, Zhejiang
University, Hangzhou 310058, China
Xiangyu Pei
College of Environmental and Resource Sciences, Zhejiang Provincial
Key Laboratory of Organic Pollution Process and Control, Zhejiang
University, Hangzhou 310058, China
Huichao Liu
College of Environmental and Resource Sciences, Zhejiang Provincial
Key Laboratory of Organic Pollution Process and Control, Zhejiang
University, Hangzhou 310058, China
Jiajia Zhou
College of Environmental and Resource Sciences, Zhejiang Provincial
Key Laboratory of Organic Pollution Process and Control, Zhejiang
University, Hangzhou 310058, China
College of Environmental and Resource Sciences, Zhejiang Provincial
Key Laboratory of Organic Pollution Process and Control, Zhejiang
University, Hangzhou 310058, China
ZJU-Hangzhou Global Scientific and Technological Innovation Center,
Hangzhou 311200, China
Key Laboratory of Environment Remediation and Ecological Health,
Ministry of Education, Zhejiang University, Hangzhou 310058, China
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Accurate particle classification is very important in aerosol studies. Differential mobility analyzers (DMAs), centrifugal particle mass analyzers (CPMAs), aerodynamic aerosol classifiers (AACs) and their tandem systems are commonly used. We demonstrated that DMA–CPMA is more susceptible to the multiple charging effect than DMA–AAC. It is not suggested to reduce the resolutions of the instruments, especially when selecting small-size soot particles.
Accurate particle classification is very important in aerosol studies. Differential mobility...
