Abstracts and Available Papers Presented at the 2002 International RERTR Meeting
PRODUCTION OF MoLYBDENUM-99
from Low Enriched Uranium TARGETS
Pablo
R. Cristini, Héctor J. Cols, Ricardo Bavaro, Marcelo Bronca, Roberto Centurión,
Daniel Cestau
Comisión Nacional de Energía
Atómica, Centro Atómico Ezeiza
República Argentina
ABSTRACT
Fission
molybdenum-99 is being produced in Argentina, at the Ezeiza Atomic Centre,
since 1985. The procedure involved the irradiation of HEU targets with an
Uranium-Aluminum alloy “meat” cladded with aluminum. Chemical processing of the targets is based on the method
developed by Dr. Sameh Ali at KfK in Germany.
Some years ago the Atomic Energy National Commission of
Argentina (CNEA) started the development of new LEU targets for its Mo-99
production, in order to replace present HEU miniplates. In a previous paper
several tests were described, employing uranium silicide and uranium aluminide
as target materials. Based on those tests, the method for Mo-99 production from
HEU targets was adapted to LEU aluminide targets.
A
description of the method, yielding results and quality control data of the
final product are shown. At present, this is the method employed in Argentina
to obtain high quality fission Mo-99 from LEU targets to be used in nuclear
medicine.
Contact:
Mr. Héctor J. Cols
Production Responsible CNEA–CAE Avda. del Libertador 8250 C1429BNO Buenos Aires, Argentina Phone: (54 11) 4379 8447 Fax: (54 11) 4379 8441 E-mail: [email protected]
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