Estimation of 99Mo production rates from natural molybdenum in research reactors

M. Blaauw, D. Ridikas, S. Baytelesov, P. S Bedregal Salas, Y. Chakrova, Cho Eun-Ha, R. Dahalan, A. H. Fortunato, R. Jacimovic, A. Kling, L. Muñoz, N. M A Mohamed, D. Párkányi, T. Singh, Dong Duong Van Dong Duong

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)
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Molybdenum-99 is one of the most important radionuclides for medical diagnostics. In 2015, the International Atomic Energy Agency organized a round-robin exercise where the participants measured and calculated specific saturation activities achievable for the 98Mo(n,γ)99Mo reaction. This reaction is of interest as a means to locally, and on a small scale, produce 99Mo from natural molybdenum. The current paper summarises a set of experimental results and reviews the methodology for calculating the corresponding saturation activities. Activation by epithermal neutrons and also epithermal neutron self-shielding are found to be of high importance in this case.

Original languageEnglish
Pages (from-to)409-418
Number of pages10
JournalJournal of Radioanalytical and Nuclear Chemistry
Issue number1
Publication statusPublished - 1 Jan 2017


  • Epithermal neutron self-shielding
  • Mo-99
  • Research reactor utilization
  • Tc-99 m production

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