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Phase investigation of uranium–vanadium alloy using multiple techniques

  • Michal Brandis
  • , Gregory Gershinsky
  • , Arnon Rubinshtein
  • , Yevgeni Zakon
  • , Maor Assulin
  • , Amiram Moyal
  • , Eyal Elish
  • , Arnon Grafit
  • , Aldo Shemesh
  • , Assaf Bolker
  • , Ofer Aviv
  • , Noa Fruchter
  • , Nir M. Yitzhak
  • , Sagi Nissim
  • , Zohar Yungrais
  • , Alexander Zinger
  • , Lena Plastovez
  • , Noam Gonen
  • , Itzhak Sedgi
  • , Itzhak Hershko
  • Itzhak Halevy, Ruth Yam, Tzach Mackmal, Yinon Ben David, Dan Breitman, Dan Berkovits, Boaz Assaf, Hanan Datz

Research output: Contribution to journalArticlepeer-review

Abstract

The Israeli National Nuclear Forensics Laboratory (INNFL) investigated four unknown samples during the Collaborative Material Exercise 7 (CMX-7). The samples, identified as depleted uranium, were marked ES-1 to ES-4. ES-2 isotopic composition (0.200 ± 0.004% U-235) was different from the other samples (0.300 ± 0.003% U-235). ES-2 phase exhibited characteristics similar to metallic crystalline uranium with its appearance and assay. However, its density (16.9 ± 1.7 g/cm3) deviated significantly from metallic uranium (19.1 g/cm3). A series of analyses indicated that vanadium was present (app. 3000 ppm) in porosive areas on ES-2 surface. The oxygen isotope ratios suggested thermal processing under environmental conditions.

Original languageEnglish
Pages (from-to)3383-3393
Number of pages11
JournalJournal of Radioanalytical and Nuclear Chemistry
Volume333
Issue number7
DOIs
StatePublished - 1 Jul 2024
Externally publishedYes

Keywords

  • CMX-7
  • Nuclear forensics
  • Uranium alloy

ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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