Characterisation of natural substrates with regard to application of surface complexation models

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dc.contributor.authorWaite, TDen_AU
dc.contributor.authorFenton, BRen_AU
dc.contributor.authorPayne, TEen_AU
dc.contributor.authorLumpkin, GRen_AU
dc.contributor.authorDavis, JAen_AU
dc.contributor.authorMcBeath, Men_AU
dc.date.accessioned2023-01-12T03:19:11Zen_AU
dc.date.available2023-01-12T03:19:11Zen_AU
dc.date.issued2001en_AU
dc.date.statistics2022-10-14en_AU
dc.descriptionPrint version is held by ANSTO Library at DDC 621.4838/370.en_AU
dc.description.abstractWhile good correspondence between laboratory sorption data and surface complexation modelling results has been obtained for single oxide phase, much poorer correspondence has been obtained for natural substrates. This result arises, at least in part, from the difficulty in ascertaining the identity of sorbing surfaces and in assigning appropriate values for sorbing surface site concentrations. In an attempt to clarify the nature of possible sorbing phases, we have used a variety of techniques to investigate the surfaces of natural solid substrates from the Koongarra weathered zone. Based on insights gained from the surface characterisation studies, we have then proceeded to assess the applicability of various surface complexation modelling approaches as applied to U(VI) uptake. © 2001 OECDen_AU
dc.identifier.booktitleUsing thermodynamic sorption models for guiding radioelement distribution coefficient (Kd) investigations for performance assessment: A status reporten_AU
dc.identifier.citationWaite, T. D., Fenton, B., Payne, T. E., Lumpkin, G. R., Davis, J. A. & McBeath, M. (2001). Characterisation of natural substrates with regard to application of surface complexation models. In Altmann, S. A., Bruno, J., & Tweed, C. (eds), Using thermodynamic sorption models for guiding radioelement distribution coefficient (Kd) investigations for performance assessment: A status report. Paris, France; Nuclear Energy Agency. (pp.125-127). doi:10.1787/9789264192935-enen_AU
dc.identifier.editorsAltmann, S. A., Bruno, J., & Tweed, C.en_AU
dc.identifier.isbn9789264192935en_AU
dc.identifier.pagination125-127en_AU
dc.identifier.placeofpublicationParis, Franceen_AU
dc.identifier.urihttps://doi.org/10.1787/9789264192935-enen_AU
dc.identifier.urihttps://apo.ansto.gov.au/dspace/handle/10238/14329en_AU
dc.language.isoenen_AU
dc.publisherOECDen_AU
dc.subjectSubstratesen_AU
dc.subjectSimulationen_AU
dc.subjectSorptionen_AU
dc.subjectUraniumen_AU
dc.subjectSurfacesen_AU
dc.subjectOxidesen_AU
dc.titleCharacterisation of natural substrates with regard to application of surface complexation modelsen_AU
dc.typeBook chapteren_AU
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