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Leaching Study on the Process of Solidification of Radionuclide 60Co in Concrete
I. Plecas
 
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Vinca Institute of Nuclear Sciences, P. O. BOX 522, 11001 Belgrade, Serbia and Montenegro
 
Pol. J. Environ. Stud. 2005;14(5):699–701
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ABSTRACT
To assess the safety for disposal of radioactive waste-cement composition, the leaching of 60Co from a waste composite into a surrounding fluid has been studied. Leaching tests were carried out in accordance with a method recommended by the IAEA. Determination of retardation factors, KF and coefficients of distribution, kd, using a simplified mathematical model for analyzing the migration of radionuclides, has been developed. Results presented in this paper are examples of results obtained in a 30-year mortar and concrete testing project, which will influence the design of the engineered trench system for a future central radioactive waste disposal center.
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