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Radiochemical separation of99Mo from natural uranium irradiated with thermal neutrons

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Abstract

99Mo was separated from uranium and insoluble fission product hydroxides. More than 98% of99Mo radioactivity was extracted with bis (2-ethylhexyl)phosphoric acid. The organic phase was washed and99Mo was back-extracted from the organic phase with NH4OH solution. The percent recovery from the organic phase was 91% and the purity of99Mo was more than 99%. Pure99mTc was also extracted from the organic phase with a saline solution. Reversed-phase partition chromatography was used for the purification of99Mo from131I and other fission products (10% HDEHP on kieselguhr bed).131I and other isotopes were quantitatively eluted with 0.1M H2SO4,99Mo was eluted using a mixture of 0.5 M HCl and 30% H2O2.

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Authors and Affiliations

  1. Radioisotope Production Department, Nuclear Research Centre, Tuwaitha, P.O. Box 765, Baghdad, Iraq

    M. A. A. Al-Janabi, H. A. Kaleefa, M. G. Jalhoom, E. H. Abbas & A. S. Al-Warith

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  1. M. A. A. Al-Janabi
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  2. H. A. Kaleefa
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  3. M. G. Jalhoom
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  4. E. H. Abbas
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  5. A. S. Al-Warith
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Al-Janabi, M.A.A., Kaleefa, H.A., Jalhoom, M.G. et al. Radiochemical separation of99Mo from natural uranium irradiated with thermal neutrons. Journal of Radioanalytical and Nuclear Chemistry, Articles 111, 165–175 (1987). https://doi.org/10.1007/BF02060533

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  • DOI: https://doi.org/10.1007/BF02060533

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