Atmospheric Measurement Techniques
Atmospheric Measurement Techniques
AMT
Articles | Volume 15, issue 11
Articles | Volume 15, issue 11
https://doi.org/10.5194/amt-15-3513-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/amt-15-3513-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 15, issue 11
Research article
 | 
14 Jun 2022
Research article |  | 14 Jun 2022

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

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Short summary
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.
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