Articles | Volume 22, issue 4
Atmos. Chem. Phys., 22, 2639–2650, 2022
https://doi.org/10.5194/acp-22-2639-2022
Atmos. Chem. Phys., 22, 2639–2650, 2022
https://doi.org/10.5194/acp-22-2639-2022
Research article
25 Feb 2022
Research article | 25 Feb 2022

The role of organic acids in new particle formation from methanesulfonic acid and methylamine

Rongjie Zhang et al.

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Cited articles

An, P., Yuan, C.-Q., Liu, X.-H., Xiao, D.-B., and Luo, Z.-X.: Vibrational spectroscopic identification of isoprene, pinenes and their mixture, Chin. Chem. Lett., 27, 527–534, https://doi.org/10.1016/j.cclet.2016.01.036, 2016. 
Arquero, K. D., Gerber, R. B., and Finlayson-Pitts, B. J.: The role of oxalic acid in new particle formation from methanesulfonic Acid, methylamine, and water, Environ. Sci. Technol., 51, 2124–2130, https://doi.org/10.1021/acs.est.6b05056, 2017a. 
Arquero, K. D., Xu, J., Gerber, R. B., and Finlayson-Pitts, B. J.: Particle formation and growth from oxalic acid, methanesulfonic acid, trimethylamine and water: a combined experimental and theoretical study, Phys. Chem. Chem. Phys., 19, 28286–28301, https://doi.org/10.1039/c7cp04468b, 2017b. 
Carlton, A. G., Turpin, B. J., Lim, H. J., Altieri, K. E., and Seitzinger, S.: Link between isoprene and secondary organic aerosol (SOA): Pyruvic acid oxidation yields low volatility organic acids in clouds, Geophys. Res. Lett., 33, 4, https://doi.org/10.1029/2005gl025374, 2006. 
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Short summary
Formic acid is screened out as the species that can effectively catalyze the new particle formation (NPF) of the methanesulfonic acid (MSA)–methylamine system, indicating organic acids might be required to facilitate MSA-driven NPF in the atmosphere. The results are significant to comprehensively understand the MSA-driven NPF and expand current knowledge of the contribution of OAs to NPF.
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