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Reduced Enrichment for Research and Test Reactors
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Abstracts and Available Papers Presented at the
2002 International RERTR Meeting

CONSIDERATIONS ON THE 90SR RECOVERY AS PART OF A PROCESS  FOR 99Mo PRODUCTION FROM LEU FISSION

M. C. Fornaciari Iljadica (*), J. C.Furnari (*), I. M. Cohen (**)

(*)    Comisión Nacional de Energía Atómica, Centro Atómico Ezeiza, Presbítero Juan González y Aragón N° 15, B1802AYA, Partido de Ezeiza, Buenos Aires, República Argentina.

(**) Universidad Tecnológica Nacional, Facultad Regional Buenos Aires, Medrano 951, (1179) Buenos Aires, República Argentina.

ABSTRACT

The possibilities of recovering 90Sr as part of a process for 99Mo production from uranium fission, using low enriched targets, are discussed. The pertinent calculations, concerning the estimated activities and masses of stable isotopes, as well as their evolution with time, were performed. A crown ether, known by the working name: DC – 18 – C – 6, was selected as separative agent. Some experiments are described, in connection with the strontium separation from barium, the influence of uranium on the recovery, and finally, the strontium separation from other fission products present in a real LEU sample. The results show the feasibility of producing 90Sr with good yields and very high degree of purity.


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Contact:
Ms. Ma. Celeste Fornaciari Iljadica

CNEA-CAE
Avda. del Libertador 8250
C1429BNO Buenos Aires, Argentina
Phone: (54.11) 4379 8209
Fax: (54.11) 4379 8126
E-mail: iljadica@cae.cnea.gov.ar

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Last modified on July 29, 2008 11:34 +0200