Articles | Volume 23, issue 15
https://doi.org/10.5194/acp-23-8979-2023
https://doi.org/10.5194/acp-23-8979-2023
Research article
 | 
11 Aug 2023
Research article |  | 11 Aug 2023

Direct observation for relative-humidity-dependent mixing states of submicron particles containing organic surfactants and inorganic salts

Chun Xiong, Binyu Kuang, Fei Zhang, Xiangyu Pei, Zhengning Xu, and Zhibin Wang

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Latest update: 29 Jun 2024
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Short summary
In hydration, an apparent water diffusion hindrance by an organic surfactant shell was confirmed, raising the inorganic deliquescence relative humidity (RH) to a nearly saturated condition. In dehydration, phase separations were observed for inorganic surfactant systems, showing a strong dependence on the organic molecular oxygen-to-carbon ratio. Our results could improve fundamental knowledge about aerosol mixing states and decrease uncertainty in model estimations of global radiative effects.
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