Articles | Volume 22, issue 3
https://doi.org/10.5194/acp-22-1989-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-1989-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
The number fraction of iron-containing particles affects OH, HO2 and H2O2 budgets in the atmospheric aqueous phase
Amina Khaled
Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, 63000 Clermont-Ferrand, France
Minghui Zhang
Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, 63000 Clermont-Ferrand, France
now at: Plair SA, Route de Saint-Julien 275, Perly 1258, Switzerland
Université Clermont Auvergne, CNRS, SIGMA Clermont, Institut de Chimie de Clermont-Ferrand, 63000 Clermont-Ferrand, France
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Cited
14 citations as recorded by crossref.
- Towards a better understanding of the HO2uptake coefficient to aerosol particles measured during laboratory experiments P. Lakey et al. 10.1039/D4EA00025K
- Measurement report: Vanadium-containing ship exhaust particles detected in and above the marine boundary layer in the remote atmosphere M. Abou-Ghanem et al. 10.5194/acp-24-8263-2024
- Average Cloud Droplet Size and Composition: Good Assumptions for Predicting Oxidants in the Atmospheric Aqueous Phase? B. Ervens 10.1021/acs.jpca.2c05527
- Impact of aerosol in-situ peroxide formations induced by metal complexes on atmospheric H2O2 budgets H. Song et al. 10.1016/j.scitotenv.2023.164455
- Aqueous-phase chemistry of atmospheric phenolic compounds: A critical review of laboratory studies F. Li et al. 10.1016/j.scitotenv.2022.158895
- Investigation of HO2uptake onto Cu(ii)- and Fe(ii)-doped aqueous inorganic aerosols and seawater aerosols using laser spectroscopic techniques J. Li et al. 10.1039/D3EA00093A
- Sources of total and dissolved aerosol iron at Xi’an, Northwest China: implications for solubility of aerosol iron from different sources Y. Chen et al. 10.1016/j.jes.2025.06.066
- Atmospheric Hydroxyl Radical Route Revealed: Interface-Mediated Effects of Mineral-Bearing Microdroplet Aerosol L. Yang et al. 10.1021/jacs.4c14149
- Fog/cloud processing of atmospheric aerosols from a single particle perspective: A review of field observations G. Zhang et al. 10.1016/j.atmosenv.2024.120536
- Persistent Uptake of H2O2 onto Ambient PM2.5 via Dark-Fenton Chemistry X. Qin et al. 10.1021/acs.est.2c03630
- Investigation of HO2 uptake mechanisms onto multiple-component ambient aerosols collected in summer and winter time in Yokohama, Japan J. Zhou et al. 10.1016/j.jes.2023.02.030
- Photochemical Degradation of Iron Citrate in Anoxic Viscous Films Enhanced by Redox Cascades A. Mishra et al. 10.1021/acsearthspacechem.4c00364
- Application of Chelex-100 and SPR-IDA Resin in Combination with the Optimized Beam Deflection Spectrometry for High-Sensitivity Determination of Iron Species in Sediment Porewater H. Budasheva et al. 10.3390/s25123643
- Ideas and perspectives: Microorganisms in the air through the lenses of atmospheric chemistry and microphysics B. Ervens et al. 10.5194/bg-22-243-2025
14 citations as recorded by crossref.
- Towards a better understanding of the HO2uptake coefficient to aerosol particles measured during laboratory experiments P. Lakey et al. 10.1039/D4EA00025K
- Measurement report: Vanadium-containing ship exhaust particles detected in and above the marine boundary layer in the remote atmosphere M. Abou-Ghanem et al. 10.5194/acp-24-8263-2024
- Average Cloud Droplet Size and Composition: Good Assumptions for Predicting Oxidants in the Atmospheric Aqueous Phase? B. Ervens 10.1021/acs.jpca.2c05527
- Impact of aerosol in-situ peroxide formations induced by metal complexes on atmospheric H2O2 budgets H. Song et al. 10.1016/j.scitotenv.2023.164455
- Aqueous-phase chemistry of atmospheric phenolic compounds: A critical review of laboratory studies F. Li et al. 10.1016/j.scitotenv.2022.158895
- Investigation of HO2uptake onto Cu(ii)- and Fe(ii)-doped aqueous inorganic aerosols and seawater aerosols using laser spectroscopic techniques J. Li et al. 10.1039/D3EA00093A
- Sources of total and dissolved aerosol iron at Xi’an, Northwest China: implications for solubility of aerosol iron from different sources Y. Chen et al. 10.1016/j.jes.2025.06.066
- Atmospheric Hydroxyl Radical Route Revealed: Interface-Mediated Effects of Mineral-Bearing Microdroplet Aerosol L. Yang et al. 10.1021/jacs.4c14149
- Fog/cloud processing of atmospheric aerosols from a single particle perspective: A review of field observations G. Zhang et al. 10.1016/j.atmosenv.2024.120536
- Persistent Uptake of H2O2 onto Ambient PM2.5 via Dark-Fenton Chemistry X. Qin et al. 10.1021/acs.est.2c03630
- Investigation of HO2 uptake mechanisms onto multiple-component ambient aerosols collected in summer and winter time in Yokohama, Japan J. Zhou et al. 10.1016/j.jes.2023.02.030
- Photochemical Degradation of Iron Citrate in Anoxic Viscous Films Enhanced by Redox Cascades A. Mishra et al. 10.1021/acsearthspacechem.4c00364
- Application of Chelex-100 and SPR-IDA Resin in Combination with the Optimized Beam Deflection Spectrometry for High-Sensitivity Determination of Iron Species in Sediment Porewater H. Budasheva et al. 10.3390/s25123643
- Ideas and perspectives: Microorganisms in the air through the lenses of atmospheric chemistry and microphysics B. Ervens et al. 10.5194/bg-22-243-2025
Latest update: 26 Jul 2025
Short summary
Chemical reactions with iron in clouds and aerosol form and cycle reactive oxygen species (ROS). Previous model studies assumed that all cloud droplets (particles) contain iron, while single-particle analyses showed otherwise. By means of a model, we explore the bias in predicted ROS budgets by distributing a given iron mass to either all or only a few droplets (particles). Implications for oxidation potential, radical loss and iron oxidation state are discussed.
Chemical reactions with iron in clouds and aerosol form and cycle reactive oxygen species (ROS)....
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