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van Eerten, Darcy [Author]; Raiwa, Manuel [Author]; Hanemann, Paul [Author]; Leifermann, Laura [Author]; Weissenborn, Tobias [Author]; Schulz, Wolfgang [Author]; Weiß, Martin [Author]; Shulaker, Danielle Ziva [Author]; Boone, Peter [Author]; Willingham, David [Author]; Thomas, Keenan [Author]; Sammis, Brian [Author]; Isselhardt, Brett [Author]; Savina, Mike [Author]; Walther, Clemens [Author]

Multi-element isotopic analysis of hot particles from Chornobyl - [published Version]

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  • Media type: Text; E-Article
  • Title: Multi-element isotopic analysis of hot particles from Chornobyl
  • Contributor: van Eerten, Darcy [Author]; Raiwa, Manuel [Author]; Hanemann, Paul [Author]; Leifermann, Laura [Author]; Weissenborn, Tobias [Author]; Schulz, Wolfgang [Author]; Weiß, Martin [Author]; Shulaker, Danielle Ziva [Author]; Boone, Peter [Author]; Willingham, David [Author]; Thomas, Keenan [Author]; Sammis, Brian [Author]; Isselhardt, Brett [Author]; Savina, Mike [Author]; Walther, Clemens [Author]
  • imprint: New York, NY [u.a.] : Science Direct, 2023
  • Published in: Journal of hazardous materials : environmental control, risk assessment, impact and management 452 (2023) ; Journal of hazardous materials : environmental control, risk assessment, impact and management
  • Issue: published Version
  • Language: English
  • DOI: https://doi.org/10.15488/13619; https://doi.org/10.1016/j.jhazmat.2023.131338
  • Keywords: Actinides ; RIMS ; Ultra-trace analysis ; Fission products
  • Origination:
  • Footnote: Diese Datenquelle enthält auch Bestandsnachweise, die nicht zu einem Volltext führen.
  • Description: Microscopic fuel fragments, so-called “hot particles”, were released during the 1986 accident at the Chornobyl nuclear powerplant and continue to contaminate the exclusion zone in northern Ukraine. Isotopic analysis can provide vital information about sample origin, history and contamination of the environment, though it has been underutilized due to the destructive nature of most mass spectrometric techniques, and inability to remove isobaric interference. Recent developments have diversified the range of elements that can be investigated through resonance ionization mass spectrometry (RIMS), notably in the fission products. The purpose of this study is to demonstrate the application of multi-element analysis on hot particles as relates to their burnup, particle formation in the accident, and weathering. The particles were analysed with two RIMS instruments: resonant-laser secondary neutral mass spectrometry (rL-SNMS) at the Institute for Radiation Protection and Radioecology (IRS) in Hannover, Germany, and laser ionization of neutrals (LION) at Lawrence Livermore National Laboratory (LLNL) in Livermore, USA. Comparable results across instruments show a range of burnup dependent isotope ratios for U and Pu and Cs, characteristic of RBMK-type reactors. Results for Rb, Ba and Sr show the influence of the environment, retention of Cs in the particles and time passed since fuel discharge.
  • Access State: Open Access
  • Rights information: Attribution (CC BY)