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Variations of plutonium isotopic ratios in Antarctic ecosystems.


ABSTRACT: The aim of the article was to verify the hypothesis concerning the diversification of plutonium sources in the natural environment of Antarctica. Plutonium activity and atom ratios were analyzed in two groups of biological samples: terrestrial and marine. Both isotopic ratios in the terrestrial set were consistent with global radioactive fallout ratios. The average activity ratio in the marine ecosystem was lower than global radioactive fallout. At the same time mass ratio values in this group turned out to be surprisingly varied. Analysis of the results showed statistically significant differences between the marine and terrestrial ecosystems.

SUBMITTER: Szufa KM 

PROVIDER: S-EPMC6267146 | biostudies-literature | 2018

REPOSITORIES: biostudies-literature

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Variations of plutonium isotopic ratios in Antarctic ecosystems.

Szufa Katarzyna M KM   Mietelski Jerzy W JW   Anczkiewicz Robert R   Sala Dariusz D   Olech Maria A MA  

Journal of radioanalytical and nuclear chemistry 20181029 3


The aim of the article was to verify the hypothesis concerning the diversification of plutonium sources in the natural environment of Antarctica. Plutonium activity and atom ratios were analyzed in two groups of biological samples: terrestrial and marine. Both isotopic ratios in the terrestrial set were consistent with global radioactive fallout ratios. The average activity ratio in the marine ecosystem was lower than global radioactive fallout. At the same time mass ratio values in this group t  ...[more]

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