Articles | Volume 15, issue 11
https://doi.org/10.5194/amt-15-3513-2022
https://doi.org/10.5194/amt-15-3513-2022
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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Latest update: 21 Feb 2024
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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.