Abstract
In this contribution, iodine chemistry in the Marine Boundary Layer (MBL) is introduced. A series of methodologies for the measurements of iodine species in the gas and particle phases of the coastal atmosphere has been developed. Iodine species in the gas phase in real air samples has been determined in two field campaigns at the west coast of Ireland, indicating that gaseous iodo-hydrocarbons and elemental iodine are the precursors of new particle formation. Particulate iodine speciation from the same measurement campaigns show that the non-water-soluble iodine compounds are the main iodine species during the marine particle formation. A seaweed-chamber experiment was performed, indicating that gaseous I2 is one of the important precursors that lead to new particle formation in the presence of solar light in the ambient air at the coastal tidal area.
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Chen, H., Brandt, R., Bandur, R. et al. Characterization of iodine species in the marine aerosol: To understand their roles in particle formation processes. Front. Chem. China 1, 119–129 (2006). https://doi.org/10.1007/s11458-006-0001-5
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DOI: https://doi.org/10.1007/s11458-006-0001-5