Articles | Volume 23, issue 16
https://doi.org/10.5194/acp-23-9585-2023
https://doi.org/10.5194/acp-23-9585-2023
Research article
 | 
29 Aug 2023
Research article |  | 29 Aug 2023

Distinct photochemistry in glycine particles mixed with different atmospheric nitrate salts

Zhancong Liang, Zhihao Cheng, Ruifeng Zhang, Yiming Qin, and Chak K. Chan

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Short summary
In this study, we found that the photolysis of sodium nitrate leads to a much quicker decay of free amino acids (FAAs, with glycine as an example) in the particle phase than ammonium nitrate photolysis, which is likely due to the molecular interactions between FAAs and different nitrate salts. Since sodium nitrate likely co-exists with FAAs in the coarse-mode particles, particulate nitrate photolysis can possibly contribute to a rapid decay of FAAs and affect atmospheric nitrogen cycling.
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