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Analysis of 129I in lichens by accelerator mass spectrometry through a microwave-based sample preparation method

AuthorsGómez-Guzmán, J. M. ; López-Gutiérrez, J. M. ; Pinto-Gómez, A. R.; Holm, E.; García-León, Manuel
Issue Date2010
CitationNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms 268(7-8): 1171-1174 (2010)
AbstractThe presence of 129I in the environment has been strongly influenced by the artificial nuclear emissions since the beginning of the nuclear era in the mid 20th century. In order to know more about the different sources and their relative impact in different zones, it is necessary to complete the amount of measurements of this radionuclide in environmental samples. In this work, 129I has been determined in lichen samples (Cladonia alpestris) from Rogen Lake in Central Sweden. A method based on microwave digestion was developed for these measurements in order to improve speed and reduce contamination. Based on this method, 129I concentrations in some lichen samples from Lake Rogen (Sweden) have been measured, showing the impact of the Chernobyl accident and nuclear fuel reprocessing plants. © 2009 Elsevier B.V. All rights reserved.
Identifiersdoi: 10.1016/j.nimb.2009.10.126
issn: 0168-583X
Appears in Collections:(CNA) Artículos
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