Articles | Volume 24, issue 1
https://doi.org/10.5194/acp-24-663-2024
https://doi.org/10.5194/acp-24-663-2024
Research article
 | 
17 Jan 2024
Research article |  | 17 Jan 2024

Temperature-dependent aqueous OH kinetics of C2–C10 linear and terpenoid alcohols and diols: new rate coefficients, structure–activity relationship, and atmospheric lifetimes

Bartłomiej Witkowski, Priyanka Jain, Beata Wileńska, and Tomasz Gierczak

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Cited articles

Adams, G. E., Boag, J. W., and Michael, B. D.: Reactions of the hydroxyl radical, Part 2 – Determination of absolute rate constants, T. Faraday Soc., 61, 1417–1424, https://doi.org/10.1039/TF9656101417, 1965. 
Aljawhary, D., Zhao, R., Lee, A. K. Y., Wang, C., and Abbatt, J. P. D.: Kinetics, Mechanism, and Secondary Organic Aerosol Yield of Aqueous Phase Photo-oxidation of α-Pinene Oxidation Products, J. Phys. Chem. A, 120, 1395–1407, https://doi.org/10.1021/acs.jpca.5b06237, 2016. 
Amorim, J. V., Wu, S., Klimchuk, K., Lau, C., Williams, F. J., Huang, Y., and Zhao, R.: pH Dependence of the OH Reactivity of Organic Acids in the Aqueous Phase, Environ. Sci. Technol., 54, 12484–12492, https://doi.org/10.1021/acs.est.0c03331, 2020. 
Amorim, J. V., Guo, X., Gautam, T., Fang, R., Fotang, C., Williams, F. J., and Zhao, R.: Photo-oxidation of pinic acid in the aqueous phase: a mechanistic investigation under acidic and basic pH conditions, Environ. Sci.-Atmos., 1, 276–287, https://doi.org/10.1039/D1EA00031D, 2021. 
Anbar, M., Meyerstein, D., and Neta, P.: Reactivity of aliphatic compounds towards hydroxyl radicals, J. Chem. Soc. B., 742–747, https://doi.org/10.1039/J29660000742, 1966. 
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This article reports the results of the kinetic measurements for the aqueous oxidation of the 29 aliphatic alcohols by hydroxyl radical (OH) at different temperatures. The data acquired and the literature data were used to optimize a model for predicting the aqueous OH reactivity of alcohols and carboxylic acids and to estimate the atmospheric lifetimes of five terpenoic alcohols. The kinetic data provided new insights into the mechanism of aqueous oxidation of aliphatic molecules by the OH.
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