Characterization and leaching behavior of plutonium-bearing Synroc-C

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dc.contributor.authorSmith, KLen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorBlackford, MGen_AU
dc.contributor.authorHambley, Men_AU
dc.contributor.authorDay, RAen_AU
dc.contributor.authorHart, KPen_AU
dc.contributor.authorJostsons, Aen_AU
dc.date.accessioned2022-11-03T23:22:44Zen_AU
dc.date.available2022-11-03T23:22:44Zen_AU
dc.date.issued1996-02-05en_AU
dc.date.statistics2022-10-11en_AU
dc.descriptionPrint copy is held in ANSTO Library at DDC 621.4838/31en_AU
dc.description.abstractSynroc-C containing 10wt% simulated PW-4b-D HLW including 0.62 wt% 239Pu was subjected to MCC-1 type leach tests at 70°C in deionised water, silicate and carbonate leachates for 53 d and deionised water for 2472 d. The normalised total (i.e. unfiltered leachate + vessel wall) Pu leach rates in deionised water, silicate and carbonate leachates for periods up to 53 d were found to be of the order of 10-5, 10-4 and 10-4 g m-2 d-1 respectively. After 2472 d, the differential, normalised, Pu leach rate in deionised water dropped to ∼5 × 10-6 (total) and ∼5 × 10-8 (solution - after filtration through a 1000NMW filter) g m-2 d-1. SEM and AEM were used to characterise our starting material and investigate the secondary phases on the surfaces of leached Synroc-C discs. Calculated and measured normalised Pu leach rates are compared and the partitioning of Pu between zirconolite and perovskite is discussed. © Materials Research Society 1997en_AU
dc.description.sponsorshipMRS Proceedings were formerly published by Cambridge University Press and are currently published by Springer Nature.en_AU
dc.identifier.booktitleScientific Basis for Nuclear Waste Management XXen_AU
dc.identifier.citationSmith, K. L., Lumpkin, G. R., Blackford, M. G., Hambley, M., Day, R. A., Hart, K. P., & Jostsons, A. (1996). Characterization and leaching behavior of plutonium-bearing Synroc-C. Paper presented to the Scientific Basis for Nuclear Waste Management XX, December 2-6, 1996, Boston, Nassachusetts, U.S.A. In Gray, W. J., & Triay, I. R. (Eds). Materials Research Society, Symposium Proceedings, Scientific Basis for Nuclear Waste Management XX, 465, (pp. 1267-1272). doi:10.1557/PROC-465-1267en_AU
dc.identifier.conferenceenddate6 December 1996en_AU
dc.identifier.conferencenameScientific Basis for Nuclear Waste Management XXen_AU
dc.identifier.conferenceplaceBoston, Massachusettsen_AU
dc.identifier.conferencestartdate2 December 1996en_AU
dc.identifier.editorsW. J. Gray., & I, R. Triayen_AU
dc.identifier.isbn1-55899-369-Xen_AU
dc.identifier.issn0275-0012en_AU
dc.identifier.pagination1267-1272en_AU
dc.identifier.placeofpublicationPittsburgh, Pennsylvaniaen_AU
dc.identifier.urihttps://doi.org/10.1557/PROC-465-1267en_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/13967en_AU
dc.identifier.volume465en_AU
dc.language.isoenen_AU
dc.publisherCambridge University Press/Springer Natureen_AU
dc.subjectLeachingen_AU
dc.subjectPlutoniumen_AU
dc.subjectSynthetic rocksen_AU
dc.subjectScanning electron microscopyen_AU
dc.subjectZirconoliteen_AU
dc.subjectPerovskiteen_AU
dc.titleCharacterization and leaching behavior of plutonium-bearing Synroc-Cen_AU
dc.typeConference Paperen_AU
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