Assessing deposition levels of 55Fe, 60Co and 63Ni in the Ignalina NPP environment

Publication: Research - peer-reviewJournal article – Annual report year: 2010

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Two RBMK-1500 reactor units operated in Lithuania in the 1987–2004 period (one of them was stopped for decommissioning in 2004). This study presents a preliminary investigation of surface deposition density levels of 55Fe and 63Ni in moss samples collected in the close vicinity of the Ignalina NPP. Non-destructive analysis by the HPGe gamma-spectrometry was followed by radiochemical separation. Radiochemical analysis was based on anion-exchange and extraction chromatography. 55Fe and 63Ni activities were measured by liquid scintillation counting (LSC). The results indicate that the deposition values of 55Fe are generally higher than those of 60Co and 63Ni.
Original languageEnglish
JournalJournal of Environmental Radioactivity
Publication date2010
Volume101
Issue6
Pages464-467
ISSN0265-931X
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 4

Keywords

  • Radiation research and nuclear technologies, Radioecology and tracers
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