Journal ArticleDOI
Adsorption of uranyl onto ferric oxyhydroxides: Application of the surface complexation site-binding model
TLDR
In this paper, the surface complexation-site binding model of Davis et al. was used to predict uranyl adsorption from aqueous electrolyte solution onto well-characterized goethite, amorphous ferric oxyhydroxide and hematite sols at 25°C.About:
This article is published in Geochimica et Cosmochimica Acta.The article was published on 1985-09-01. It has received 777 citations till now. The article focuses on the topics: Uranyl carbonate & Uranyl.read more
Citations
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Journal ArticleDOI
Characterization of uranium-contaminated sediments from beneath a nuclear waste storage tank from Hanford, Washington: Implications for contaminant transport and fate
Wooyong Um,Jonathan P. Icenhower,Christopher F. Brown,R. Jeffrey Serne,Zheming Wang,Cleveland J. Dodge,Cleveland J. Dodge,Arokiasamy J. Francis +7 more
TL;DR: The concentration and distribution of uranium (U) in sediment samples from three boreholes recovered near radioactive waste storage tanks at Hanford, Washington, USA, were determined in detail using bulk and micro-analytical techniques as discussed by the authors.
Journal ArticleDOI
Behaviour of uranium during mixing in the delaware and chesapeake estuaries
Manmohan Sarin,Thomas M. Church +1 more
TL;DR: In this article, the authors presented an unbiased evidence for the removal of uranium in two major estuarine systems of the north-eastern United States: the Delaware and Chesapeake Bays.
Journal ArticleDOI
Surface Structure and Site Density of the Oxide-Solution Interface
TL;DR: The site densities of the surface of different oxides and hydroxides have been calculated from crystallographic data and the values of site density are adduced.
Book ChapterDOI
Chapter 2 Natural trace element input to the soil-sediment-water-plant system: examples of background and contaminated situations in Switzerland, Eastern France and Northern Italy
Hans-Rudolf Pfeifer,M.-H. Derron,D. Rey,C. Schlegel,Olivier Atteia,R. Dalla Piazza,J.-P. Dubois,Y. Mandia +7 more
TL;DR: In this article, the authors studied the typical natural input of six major, geochemically defined rock types (natural background) and presented two cases of regional contamination related to ore deposits.
Journal ArticleDOI
Uranium and radon in private bedrock well water in Maine: geospatial analysis at two scales.
Qiang Yang,Paul Smitherman,C. T. Hess,Charles W. Culbertson,Robert G. Marvinney,Andrew E. Smith,Yan Zheng,Yan Zheng +7 more
TL;DR: Groundwater pH, calcite dissolution and redox condition are factors controlling the distribution of groundwater U but not Rn due to their divergent chemical and hydrological properties, and wells located within 5 km of granitic intrusions are at risk of containing high levels of [U] and [Rn.
References
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Journal ArticleDOI
Uranium solution-mineral equilibria at low temperatures with applications to sedimentary ore deposits
TL;DR: The Gibbs free energies, enthalpies and entropies of 42 dissolved uranium species and 30 uranium-bearing solid phases have been critically evaluated from the literature and estimated when necessary for 25°C.
Journal ArticleDOI
Surface ionization and complexation at the oxide/water interface
TL;DR: In this article, a method for determination of intrinsic ionization and complexation constants of oxide surface sites from potentiometric titration data is reported using these experimental properties and the stoichiometry of surface reactions, surface charge, σo, adsorption density, Γi, and diffuse layer potentials, ψd, at the oxide/water interface.
Journal ArticleDOI
Surface ionization and complexation at the oxide/water interface II. Surface properties of amorphous iron oxyhydroxide and adsorption of metal ions
James A. Davis,James O. Leckie +1 more
TL;DR: In this paper, the site-binding model for the electrical double layer of hydrous oxides reported in a previous paper is applied to the adsorption of metal ions from dilute solution and to complex heterogeneous systems, i.e., amorphous iron oxyhydroxide.