Articles | Volume 22, issue 14
https://doi.org/10.5194/acp-22-9461-2022
© 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-22-9461-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
22 Jul 2022
Research article |
| 22 Jul 2022
| 22 Jul 2022
Iron (Fe) speciation in size-fractionated aerosol particles in the Pacific Ocean: The role of organic complexation of Fe with humic-like substances in controlling Fe solubility
Center for Global Environmental Research, National Institute for
Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
Minako Kurisu
Research Institute for Global Change, Japan Agency for Marine-Earth
Science and Technology, 2-15, Natsushima-cho, Yokosuka, Kanagawa 237-0061,
Japan
now at: Research Institute for Marine Resources Utilization, Japan Agency for Marine-Earth Science and Technology, 2-15, Natsushima-cho, Yokosuka, Kanagawa 237-0061, Japan
Yasuo Takeichi
Institute of Materials Structure Science, High-Energy Accelerator
Research Organization, Tsukuba, Ibaraki 305-0801, Japan
Aya Sakaguchi
Faculty of Pure and Applied Sciences, University of Tsukuba, 1-1-1
Tennodai, Tsukuba, Ibaraki 305-8577, Japan
Hiroshi Tanimoto
Center for Global Environmental Research, National Institute for
Environmental Studies, 16-2 Onogawa, Tsukuba, Ibaraki 305-8506, Japan
Graduate School of Environmental Studies, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601, Japan
Yusuke Tamenori
Japan Synchrotron Radiation Research Institute/SPring-8, 1-1-1 Kouto,
Sayo, Hyogo 679-5198, Japan
Atsushi Matsuki
Institute of Nature and Environmental Technology, Kanazawa University,
Kakuma, Kanazawa, Ishikawa 920-1192, Japan
Yoshio Takahashi
Institute of Materials Structure Science, High-Energy Accelerator
Research Organization, Tsukuba, Ibaraki 305-0801, Japan
Graduate School of Science, The University of Tokyo, 7-3-1 Hongo,
Bunkyo-ku, Tokyo 113-0033, Japan
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Cited
29 citations as recorded by crossref.
- Seasonal variation of aerosol iron solubility in coarse and fine particles at an inland city in northwestern China H. Zhang et al.
- Atmospheric chemistry in East Asia determines the iron solubility of aerosol particles supplied to the North Pacific Ocean K. Sakata et al.
- High-resolution aerosol liquid water content in the contiguous United States using machine learning B. Zhang et al.
- Daytime and nighttime aerosol soluble iron formation in clean and slightly polluted moist air in a coastal city in eastern China W. Li et al.
- Online water-soluble iron speciation in ambient aerosols under cloud-water-relevant and neutral conditions S. Lüchtrath et al.
- Trace elements in PM2.5aerosols in East Asian outflow in the spring of 2018: emission, transport, and source apportionment T. Miyakawa et al.
- Abundance, solubilities and sources of PM2.5-associated hazardous elements in the megacity of Beijing, China X. Xu et al.
- Role of Dust and Iron Solubility in Sulfate Formation during the Long-Range Transport in East Asia Evidenced by 17O-Excess Signatures S. Itahashi et al.
- Identification of anthropogenic Fe originated from East Asia using Fe stable isotope ratios of aerosols collected on Fukue Island M. Kurisu et al.
- Iron Speciation in Urban Atmospheric Aerosols: Comparison between Thermodynamic Modeling and Direct Measurements C. Giorio et al.
- Metal speciation of volcanic aerosols from Mt. Etna at varying aerosol water content and pH obtained by different thermodynamic models T. Hull et al.
- Measurement report: Stoichiometry of dissolved iron and aluminum as an indicator of the factors controlling the fractional solubility of aerosol iron – results of the annual observations of size-fractionated aerosol particles in Japan K. Sakata et al.
- Using synchrotron based ATR-FTIR, EXAFS, and XRF to characterize the chemical compositions of TSP in industrial estate area S. Pongpiachan et al.
- The solubility and deposition flux of East Asian aerosol metals in the East China Sea: The effects of aeolian transport processes C. Hsieh et al.
- Trends and drivers of soluble iron deposition from East Asian dust to the Northwest Pacific: a springtime analysis (2001–2017) H. Zhu et al.
- Source and fate of atmospheric iron supplied to the subarctic North Pacific traced by stable iron isotope ratios M. Kurisu et al.
- Concentration and depth-resolved analysis of transition metals in atmospheric particles: A combined approach using X-ray fluorescence and synchrotron radiation single-particle imaging Y. Liu et al.
- How Acid Iron Dissolution in Aged Dust Particles Responds to the Buffering Capacity of Carbonate Minerals during Asian Dust Storms M. Zhi et al.
- Divergent iron dissolution pathways controlled by sulfuric and nitric acids from the ground-level to the upper mixing layer G. Wang et al.
- Evaluating the effects of contact time and leaching solution on measured solubilities of aerosol trace metals R. Li et al.
- Humic substances influence on the distribution of dissolved iron in seawater: A review of electrochemical methods and other techniques H. Su
- Anthropogenic Dominance and Secondary Processes Drive Aerosol Iron Solubility in Asian Continental Outflow: Insights from Spring Qingdao, China W. Li et al.
- Dependence of fractional iron solubility on aerosol particle size in eastern China Y. Zhu et al.
- Spatial variability of aerosol iron mineralogy and oxidation states over the Arctic Ocean S. Fan et al.
- Morphological features and water solubility of iron in aged fine aerosol particles over the Indian Ocean S. Ueda et al.
- A critical review of the use of iron isotopes in atmospheric aerosol research Y. Zhang et al.
- Enrichment in More Soluble Ferric Iron (Fe(III)S) during Dust Transport by Nitric Acid Uptake M. Zhi et al.
- Iron isotopes suggest significant aerosol dissolution over the Pacific Ocean C. Camin et al.
- Linking Combustion-Derived Magnetite and Black Carbon: Insights from Magnetic Characterization of PM2.5 in Downwind East Asia N. Tsuchiya et al.
29 citations as recorded by crossref.
- Seasonal variation of aerosol iron solubility in coarse and fine particles at an inland city in northwestern China H. Zhang et al.
- Atmospheric chemistry in East Asia determines the iron solubility of aerosol particles supplied to the North Pacific Ocean K. Sakata et al.
- High-resolution aerosol liquid water content in the contiguous United States using machine learning B. Zhang et al.
- Daytime and nighttime aerosol soluble iron formation in clean and slightly polluted moist air in a coastal city in eastern China W. Li et al.
- Online water-soluble iron speciation in ambient aerosols under cloud-water-relevant and neutral conditions S. Lüchtrath et al.
- Trace elements in PM2.5aerosols in East Asian outflow in the spring of 2018: emission, transport, and source apportionment T. Miyakawa et al.
- Abundance, solubilities and sources of PM2.5-associated hazardous elements in the megacity of Beijing, China X. Xu et al.
- Role of Dust and Iron Solubility in Sulfate Formation during the Long-Range Transport in East Asia Evidenced by 17O-Excess Signatures S. Itahashi et al.
- Identification of anthropogenic Fe originated from East Asia using Fe stable isotope ratios of aerosols collected on Fukue Island M. Kurisu et al.
- Iron Speciation in Urban Atmospheric Aerosols: Comparison between Thermodynamic Modeling and Direct Measurements C. Giorio et al.
- Metal speciation of volcanic aerosols from Mt. Etna at varying aerosol water content and pH obtained by different thermodynamic models T. Hull et al.
- Measurement report: Stoichiometry of dissolved iron and aluminum as an indicator of the factors controlling the fractional solubility of aerosol iron – results of the annual observations of size-fractionated aerosol particles in Japan K. Sakata et al.
- Using synchrotron based ATR-FTIR, EXAFS, and XRF to characterize the chemical compositions of TSP in industrial estate area S. Pongpiachan et al.
- The solubility and deposition flux of East Asian aerosol metals in the East China Sea: The effects of aeolian transport processes C. Hsieh et al.
- Trends and drivers of soluble iron deposition from East Asian dust to the Northwest Pacific: a springtime analysis (2001–2017) H. Zhu et al.
- Source and fate of atmospheric iron supplied to the subarctic North Pacific traced by stable iron isotope ratios M. Kurisu et al.
- Concentration and depth-resolved analysis of transition metals in atmospheric particles: A combined approach using X-ray fluorescence and synchrotron radiation single-particle imaging Y. Liu et al.
- How Acid Iron Dissolution in Aged Dust Particles Responds to the Buffering Capacity of Carbonate Minerals during Asian Dust Storms M. Zhi et al.
- Divergent iron dissolution pathways controlled by sulfuric and nitric acids from the ground-level to the upper mixing layer G. Wang et al.
- Evaluating the effects of contact time and leaching solution on measured solubilities of aerosol trace metals R. Li et al.
- Humic substances influence on the distribution of dissolved iron in seawater: A review of electrochemical methods and other techniques H. Su
- Anthropogenic Dominance and Secondary Processes Drive Aerosol Iron Solubility in Asian Continental Outflow: Insights from Spring Qingdao, China W. Li et al.
- Dependence of fractional iron solubility on aerosol particle size in eastern China Y. Zhu et al.
- Spatial variability of aerosol iron mineralogy and oxidation states over the Arctic Ocean S. Fan et al.
- Morphological features and water solubility of iron in aged fine aerosol particles over the Indian Ocean S. Ueda et al.
- A critical review of the use of iron isotopes in atmospheric aerosol research Y. Zhang et al.
- Enrichment in More Soluble Ferric Iron (Fe(III)S) during Dust Transport by Nitric Acid Uptake M. Zhi et al.
- Iron isotopes suggest significant aerosol dissolution over the Pacific Ocean C. Camin et al.
- Linking Combustion-Derived Magnetite and Black Carbon: Insights from Magnetic Characterization of PM2.5 in Downwind East Asia N. Tsuchiya et al.
Saved (final revised paper)
Latest update: 16 May 2026
Short summary
Iron (Fe) species in size-fractionated aerosol particles collected in the western Pacific Ocean were determined to identify factors controlling fractional Fe solubility. We found that labile Fe was mainly present in submicron aerosol particles, and the Fe species were ferric organic complexes combined with humic-like substances (Fe(III)-HULIS). The Fe(III)-HULIS was formed by atmospheric processes. Thus, atmospheric processes play a significant role in controlling Fe solubility.
Iron (Fe) species in size-fractionated aerosol particles collected in the western Pacific Ocean...
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