Articles | Volume 20, issue 11
Atmos. Chem. Phys., 20, 6273–6290, 2020
https://doi.org/10.5194/acp-20-6273-2020
Atmos. Chem. Phys., 20, 6273–6290, 2020
https://doi.org/10.5194/acp-20-6273-2020
Research article
02 Jun 2020
Research article | 02 Jun 2020

Direct links between hygroscopicity and mixing state of ambient aerosols: estimating particle hygroscopicity from their single-particle mass spectra

Xinning Wang et al.

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Latest update: 27 Nov 2022
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Short summary
Hygroscopicity plays several key roles in determining aerosol optical properties and aging processes in the atmosphere. However, it is quite difficult to study aerosol hygroscopicity at the single-particle level. In this study, we built a comprehensive database linking hygroscopicities and mass spectra of individual particles. Based on the measured hygroscopicity–composition relations, we developed a statistical method to estimate ambient particle hygroscopicity just from their mass spectra.
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