| Issue |
EPJ Web of Conferences
Volume 63, 2013
Heavy Ion Accelerator Symposium 2013
|
|
|---|---|---|
| Article Number | 03007 | |
| Number of page(s) | 4 | |
| Section | Accelerator Mass Spectrometry and Astrophysics | |
| DOI | https://doi.org/10.1051/epjconf/20136303007 | |
| Published online | 19 December 2013 | |
https://doi.org/10.1051/epjconf/20136303007
Determination of total I and 129I concentrations in freshwater of Argentina
1 Laboratorio TANDAR, CNEA, Av. Gral. Paz 1499, B1650KNA, San Martín, Buenos Aires, Argentina
2 Universidad Nacional de San Martín, Campus Miguelete, B1650BWA, Buenos Aires, Argentina
3 Department of Nuclear Physics, Research School of Physics and Engineering, The Australian National University, Canberra, ACT 0200, Australia
a e-mail: fniello@tandar.cnea.gov.ar
Published online: 19 December 2013
Total iodine and129-iodine in rivers and lakes of Argentina were measured by means of inductively coupled plasma mass spectrometry and accelerator mass spectrometry respectively. The obtained isotopic ratios, higher than the natural level, are explained as the delayed signal from nuclear weapon atmospheric tests. Besides, deposition fluences in catchment areas of the lakes are analyzed. Their latitudinal dependence, similar to the dependence of annual precipitation rates, favours wet deposition as the main 129I fallout mechanism for this region.
© Owned by the authors, published by EDP Sciences, 2013
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