Title: Immobilization of Radionuclides on Iron Canister Material at Simulated Near-field Conditions
Citation: Scientific Basis for Nuclear Waste Management XXXII. MRS Symposium Proceedings vol. 1124 p. 1124-Q02-04
Publisher: Materials Research Society
Publication Year: 2009
JRC N°: JRC56700
URI: http://www.mrs.org/s_mrs/sec_subscribe.asp?CID=16763&DID=235612&action=detail
DOI: 10.1557/PROC-1124-Q02-04
Type: Articles in periodicals and books
Abstract: This work is a continuation of a long-term spent fuel leaching and radionuclides immobilization (by iron canister) experiment under simulated near-field conditions, in deoxygenated 2 mM NaHCO3 solution with 1 Gy/h ¿ irradiation. The corrosion of iron canister material was investigated by electrochemical and microanalytical methods. Significant amounts of radionuclides (U, Np, Tc, Sr) were found to be immobilized on the corrosion layer of iron canister material by using SEM_WDS and SIMS methods. The observation is useful for bettering our understanding of near-field chemical processes at earlier canister failure conditions.
JRC Directorate:Nuclear Safety and Security

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