Monoethanolamine decay mediated by photolysis of nitrate in atmospheric particles: a brown carbon and organic phase formation pathway

Environ. Sci.: Atmos., 2023, 3,1541-1551
DOI: 10.1039/D3EA00072A, Paper
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Creative Commons Licence  This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.
Xiaomeng Tian, Ruifeng Zhang, Bo Wei, Yalin Wang, Yongjie Li, Chak K. Chan
After photolysis, more acidic particles show an increase in pH, while the more neutralized particles show a decrease in pH. NO3 and MEA decay rates are more sensitive to the initial pH than RH. Water-soluble BrC and an organic phase were formed as potential secondary organic aerosols (SOAs).
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