Articles | Volume 16, issue 19
https://doi.org/10.5194/acp-16-12703-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/acp-16-12703-2016
© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.
the Creative Commons Attribution 3.0 License.
Research article
| 
12 Oct 2016
Research article |
| 12 Oct 2016
Photolysis of frozen iodate salts as a source of active iodine in the polar environment
Óscar Gálvez
CORRESPONDING AUTHOR
Departamento de Física Molecular, Instituto de
Estructura de la Materia, IEM-CSIC, 28006 Madrid, Spain
now
at: Departamento de Física Interdisciplinar, Facultad de
Ciencias, Universidad Nacional de Educación a Distancia, 28040
Madrid, Spain
M. Teresa Baeza-Romero
Escuela de Ingeniería Industrial, Universidad de
Castilla-La Mancha, 45071 Toledo, Spain
Mikel Sanz
Escuela de Ingeniería Industrial, Universidad de
Castilla-La Mancha, 45071 Toledo, Spain
now at: Institute of Physical Chemistry Rocasolano, CSIC, 28006
Madrid, Spain
Alfonso Saiz-Lopez
Department of Atmospheric Chemistry and Climate,
Institute of Physical Chemistry Rocasolano, CSIC, 28006 Madrid,
Spain
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Cited
26 citations as recorded by crossref.
- Antarctic ozone hole modifies iodine geochemistry on the Antarctic Plateau A. Spolaor et al. 10.1038/s41467-021-26109-x
- Holocene atmospheric iodine evolution over the North Atlantic J. Corella et al. 10.5194/cp-15-2019-2019
- Iodide conversion to iodate in aqueous and solid aerosols exposed to ozone C. Moreno et al. 10.1039/C9CP05601G
- Year-round measurements of size-segregated low molecular weight organic acids in Arctic aerosol M. Feltracco et al. 10.1016/j.scitotenv.2020.142954
- Iodine speciation in snow during the MOSAiC expedition and its implications for Arctic iodine emissions L. Brown et al. 10.1039/D4FD00178H
- Active molecular iodine photochemistry in the Arctic A. Raso et al. 10.1073/pnas.1702803114
- Polyatomic Iodine Species at the Air–Water Interface and Its Relevance to Atmospheric Iodine Chemistry: An HD-VSFG and Raman-MCR Study S. Saha et al. 10.1021/acs.jpca.9b00828
- Sea-ice reconstructions from bromine and iodine in ice cores P. Vallelonga et al. 10.1016/j.quascirev.2021.107133
- Observations of iodine oxide in the Indian Ocean marine boundary layer: A transect from the tropics to the high latitudes A. Mahajan et al. 10.1016/j.aeaoa.2019.100016
- The reaction of hydrated iodide I(H2O)− with ozone: a new route to IO2− products R. Teiwes et al. 10.1039/C9CP01734H
- Iodine Activation from Iodate Reduction in Aqueous Films via Photocatalyzed and Dark Reactions M. Reza et al. 10.1021/acsearthspacechem.4c00224
- Nitrite-Induced Activation of Iodate into Molecular Iodine in Frozen Solution K. Kim et al. 10.1021/acs.est.8b06638
- Sea ice in the northern North Atlantic through the Holocene: Evidence from ice cores and marine sediment records N. Maffezzoli et al. 10.1016/j.quascirev.2021.107249
- Mixing state and distribution of iodine-containing particles in Arctic Ocean during summertime L. Wang et al. 10.1016/j.scitotenv.2022.155030
- Freezing-Enhanced Photoreduction of Iodate by Fulvic Acid J. Du et al. 10.1021/acs.est.3c07278
- Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions A. Baccarini et al. 10.1038/s41467-020-18551-0
- Ozone depletion due to dust release of iodine in the free troposphere T. Koenig et al. 10.1126/sciadv.abj6544
- The influence of iodine on the Antarctic stratospheric ozone hole C. Cuevas et al. 10.1073/pnas.2110864119
- Production of Molecular Iodine via a Redox Reaction between Iodate and Organic Compounds in Ice K. Kim et al. 10.1021/acs.jpca.3c00482
- Rapid increase in atmospheric iodine levels in the North Atlantic since the mid-20th century C. Cuevas et al. 10.1038/s41467-018-03756-1
- Modeling the Sources and Chemistry of Polar Tropospheric Halogens (Cl, Br, and I) Using the CAM‐Chem Global Chemistry‐Climate Model R. Fernandez et al. 10.1029/2019MS001655
- Abiotic and biotic sources influencing spring new particle formation in North East Greenland M. Dall´Osto et al. 10.1016/j.atmosenv.2018.07.019
- Haloacetic Acids as Contaminants of Emerging Concern in Arctic Aerosol B. Ulgelmo et al. 10.1021/acsestair.4c00318
- Diurnal cycle of iodine, bromine, and mercury concentrations in Svalbard surface snow A. Spolaor et al. 10.5194/acp-19-13325-2019
- The polar iodine paradox A. Saiz-Lopez & C. Blaszczak-Boxe 10.1016/j.atmosenv.2016.09.019
- Dynamics of Water in the Solvation Shell of an Iodate Ion: A Born–Oppenheimer Molecular Dynamics Study B. Sharma & A. Chandra 10.1021/acs.jpcb.9b12008
24 citations as recorded by crossref.
- Antarctic ozone hole modifies iodine geochemistry on the Antarctic Plateau A. Spolaor et al. 10.1038/s41467-021-26109-x
- Holocene atmospheric iodine evolution over the North Atlantic J. Corella et al. 10.5194/cp-15-2019-2019
- Iodide conversion to iodate in aqueous and solid aerosols exposed to ozone C. Moreno et al. 10.1039/C9CP05601G
- Year-round measurements of size-segregated low molecular weight organic acids in Arctic aerosol M. Feltracco et al. 10.1016/j.scitotenv.2020.142954
- Iodine speciation in snow during the MOSAiC expedition and its implications for Arctic iodine emissions L. Brown et al. 10.1039/D4FD00178H
- Active molecular iodine photochemistry in the Arctic A. Raso et al. 10.1073/pnas.1702803114
- Polyatomic Iodine Species at the Air–Water Interface and Its Relevance to Atmospheric Iodine Chemistry: An HD-VSFG and Raman-MCR Study S. Saha et al. 10.1021/acs.jpca.9b00828
- Sea-ice reconstructions from bromine and iodine in ice cores P. Vallelonga et al. 10.1016/j.quascirev.2021.107133
- Observations of iodine oxide in the Indian Ocean marine boundary layer: A transect from the tropics to the high latitudes A. Mahajan et al. 10.1016/j.aeaoa.2019.100016
- The reaction of hydrated iodide I(H2O)− with ozone: a new route to IO2− products R. Teiwes et al. 10.1039/C9CP01734H
- Iodine Activation from Iodate Reduction in Aqueous Films via Photocatalyzed and Dark Reactions M. Reza et al. 10.1021/acsearthspacechem.4c00224
- Nitrite-Induced Activation of Iodate into Molecular Iodine in Frozen Solution K. Kim et al. 10.1021/acs.est.8b06638
- Sea ice in the northern North Atlantic through the Holocene: Evidence from ice cores and marine sediment records N. Maffezzoli et al. 10.1016/j.quascirev.2021.107249
- Mixing state and distribution of iodine-containing particles in Arctic Ocean during summertime L. Wang et al. 10.1016/j.scitotenv.2022.155030
- Freezing-Enhanced Photoreduction of Iodate by Fulvic Acid J. Du et al. 10.1021/acs.est.3c07278
- Frequent new particle formation over the high Arctic pack ice by enhanced iodine emissions A. Baccarini et al. 10.1038/s41467-020-18551-0
- Ozone depletion due to dust release of iodine in the free troposphere T. Koenig et al. 10.1126/sciadv.abj6544
- The influence of iodine on the Antarctic stratospheric ozone hole C. Cuevas et al. 10.1073/pnas.2110864119
- Production of Molecular Iodine via a Redox Reaction between Iodate and Organic Compounds in Ice K. Kim et al. 10.1021/acs.jpca.3c00482
- Rapid increase in atmospheric iodine levels in the North Atlantic since the mid-20th century C. Cuevas et al. 10.1038/s41467-018-03756-1
- Modeling the Sources and Chemistry of Polar Tropospheric Halogens (Cl, Br, and I) Using the CAM‐Chem Global Chemistry‐Climate Model R. Fernandez et al. 10.1029/2019MS001655
- Abiotic and biotic sources influencing spring new particle formation in North East Greenland M. Dall´Osto et al. 10.1016/j.atmosenv.2018.07.019
- Haloacetic Acids as Contaminants of Emerging Concern in Arctic Aerosol B. Ulgelmo et al. 10.1021/acsestair.4c00318
- Diurnal cycle of iodine, bromine, and mercury concentrations in Svalbard surface snow A. Spolaor et al. 10.5194/acp-19-13325-2019
Saved (preprint)
Latest update: 28 Oct 2025
Short summary
Reactive iodine species play a key role in the oxidation capacity of the polar troposphere, although sources and mechanisms are poorly understood. In this paper, the photolysis of frozen iodate salt has been studied, confirming that under near-UV–Vis radiation iodate is photolysed. Incorporating this result into an Antarctic atmospheric model, we have shown that it could increase the atmospheric IO levels and could constitute a pathway for the release of active iodine to the polar atmosphere
Reactive iodine species play a key role in the oxidation capacity of the polar troposphere,...
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