Towards the production of carrier-free 99Mo by neutron activation of 98Mo in molybdenum hexacarbonyl-Szilard-Chalmers enrichment

Journal article (2018)

Authors

J.W.J. van Dorp RST/Applied Radiation & Isotopes
DS Mahes Student
Peter Bode RST/Applied Radiation & Isotopes
Hubert Wolterbeek RST/Applied Radiation & Isotopes
AG Denkova RST/Applied Radiation & Isotopes
Research Group
RST/Applied Radiation & Isotopes
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Published Date

2018

Language

English

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Research Group

RST/Applied Radiation & Isotopes

Abstract

The neutron irradiation of molybdenum hexacarbonyl has been systematically studied to identify possible improvements for the production of molybdenum-99. After
irradiation, the targets were dissolved in dichloromethane, and Szilard-Chalmers liquid-liquid extraction was carried out with aqueous extractants.
The effects of the irradiation time, the aqueous phase composition and the irradiated mass were studied with a focus on the chemistry involved. Stable extraction
yields of 20% were obtained with enrichment decreasing with target decomposition. Improved enrichment requires decreased decomposition.

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