Articles | Volume 14, issue 23
https://doi.org/10.5194/acp-14-13327-2014
https://doi.org/10.5194/acp-14-13327-2014
Research article
 | 
15 Dec 2014
Research article |  | 15 Dec 2014

Emission of iodine-containing volatiles by selected microalgae species

U. R. Thorenz, L. J. Carpenter, R.-J. Huang, M. Kundel, J. Bosle, and T. Hoffmann

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Cited articles

Amachi, S., Kanagawa, T., and Muramatsu, Y.: Bacteria mediate methy lation of iodine in marine and terrestrial environments, Appl. Environ. Microbiol., 67, 2718–2722, 2001.
Amachi, S., Kasahara, M., Hanada, S., Kamagata, Y., Shinoyama, H., Fujii, T., and Muramatsu, Y.: Microbial participation in iodine volatilization from soils, Environ. Sci. Tech. 37, 3885–3890 2003.
Bloss, W. J., Lee, J. D., Johnson, G. P., Sommariva, R., Heard, D. E., Saiz-Lopez, A., Plane, J. M., McFiggans, G., Coe, H., Flynn, M., Williams, P., Rickard, A. R., and Fleming, Z. L.: Impact of halogen monoxide chemistry upon boundary layer OH and HO2 concentrations at a coastal site, Geophys. Res. Lett., 32, L06814, https://doi.org/10.1029/2004GL022084, 2005.
Bluhm, K., Croot, P., Wuttig, K., and Lochte, K.: Transformation of iodate to iodide in marine phytoplankton driven by cell senescence, Aquat. Biol., 11, 1–15, 2010.
Bluhm, K., Croot, P. L., and Huhn, O. R. G.: Distribution of iodide and iodate in the Atlantic sector of the southern ocean during austral summer, Deep-Sea Res. Pt. II, 58, 2733–2748, 2011.
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Short summary
Phytoplankton suspensions were treated with high and low ozone levels, and volatile iodine (I2)-containing compounds were measured. Iodocarbon emissions were independent of the ozone level. I2 emission showed a strong dependency on the ozone level in the air as well as on the iodide concentration in the sample suspension. The experiments show that microalgae suspensions are capable of emitting I2 by the reaction of ozone with dissolved iodide at the air-water interface under natural conditions.
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