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Licensed Unlicensed Requires Authentication Published by De Gruyter (O) December 1, 2013

Characterization of Hydrous Uranyl Silicate by EXAFS

  • T. Reich , H. Moll , M. A. Denecke , G. Geipel , G. Bernhard , H. Nitsche , P. G. Allen , J. J. Bucher , N. Kaltsoyannis , N. M. Edelstein and D. K. Shuh
From the journal Radiochimica Acta
https://doi.org/10.1524/ract.1996.74.special-issue.219
Published Online: 2013-12-01
Published in Print: 1996-12-01

© 2013 Oldenbourg Wissenschaftsverlag GmbH, Rosenheimer Str. 145, 81671 München

From the journal
Radiochimica Acta
Radiochimica Acta
Volume 74 Issue s1
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Articles in the same Issue

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Contents
A Chemistry of Actinides and Fission Products in Natural Aquatic Systems
A. 1. Solubilities and Dissolution Reactions
Solubility and Speciation of (UO2)2SiO4 · 2H2O in Aqueous Systems
Solubility and Oxidation State of Uranium under Anoxic Conditions (N2 Atmosphere)
Solubility of Neptunium(IV) Hydrous Oxide in Aqueous Solutions
Solid-Liquid Phase Equilibria of Np(VI) and of U(VI) under Controlled CO2 Partial Pressures
The Experimental Determination of the Solubility Product for NpO2OH in NaCl Solutions
Neptunium(Y) and Neptunium(VI) Solubilities in Synthetic Brines of Interest to the Waste Isolation Pilot Plant (WIPP)
Thermochemistry of Selected Lanthanide and Actinide Hydroxycarbonates and Carbonates
The Effect of Silica and Phosphate on the Transformation of Schoepite to Becquerelite and Other Uranyl Phases
Coprecipitation of Mono-, Di-, Tri-, Tetra- and Hexavalent Ions with Na-Polyuranates
Uranium Dioxide Leaching Mechanism in a Synthetic Granitic Groundwater in Oxic Conditions in Function of S/V Ratio at 96 °C
The Release of Uranium, Plutonium, Cesium, Strontium, Technetium and Iodine from Spent Fuel under Unsaturated Conditions
A. 2. Complexation with Inorganic and Organic Ligands
Complexation in the System UO2+2/PO3-4/OH (aq): Potentiometric and Spectroscopic Investigations at very Low Ionic Strengths
Direct Spectroscopic Speciation of Uranium(VI) in Carbonate Solutions
Speciation of Uranium in Seepage Waters of a Mine Tailing Pile Studied by Time-Resolved Laser-Induced Fluorescence Spectroscopy (TRLFS)
Spectrophotometric Study of the Dissociation of the Pu(IV) Carbonate Limiting Complex
Thermodynamics of Curium(III) in Concentrated Electrolyte Solutions : Formation of Sulfate Complexes in NaCl/Na2SO4 Solutions
Complexation of Am(III) by Oxalate in NaClO4 Media
Thermodynamic Modeling of Neptunium(V)-Acetate Complexation in Concentrated NaCl Media
Complexation Study of NpO+2 and UO2+2 Ions with Several Organic Ligands in Aqueous Solutions of High Ionic Strength
Variation of Stability Constants of Thorium Citrate Complexes with Ionic Strength
Stability of Various Plutonium Valence States in the Presence of NTA and EDTA
A Comparison of Natural Humic Acids with Synthetic Humic Acid Model Substances : Characterization and Interaction with Uranium(VI)
A Study of Ternary Complexes of Cm(III) with Humic Acid and Hydroxide or Carbonate in Neutral pH Range by Time-Resolved Laser Fluorescence Spectroscopy
Α. 3. Redox Reactions and Colloid Formation
Sorption and Reduction of Uranium(VI) on Iron Corrosion Products under Reducing Saline Conditions
Radiolytic Compounds Formed by Dissolution of Irradiated NaCl and MgCl2 · 6H2O in Water
Studies on the Immobilization of Technetium under Near Field Geochemical Conditions
Multiparametric Investigation of the Reactions of Plutonium under Estuarine Conditions
Α. 4. Experimental Methods
A Comparison of Sequential Extraction Techniques to Estimate Geochemical Controls on the Mobility of Fission Product, Actinide, and Heavy Metal Contaminants in Soils
Impedance Measurements on UO2 in Salt Brines
Applications of Electrophoresis to the Study of the Complexation of Cadmium with Humic Substances Using 109Cd as Radiotracer
Modified Diffusion Technique for Studying Nonlinear and Kinetic Sorption and Desorption Processes
B. Geochemical Interactions and Transport Phenomena
B. 1. Diffusion and Migration in Geologic Media
The Distribution of Transuranic Elements in Sediment Profiles from an Intertidal Area in West Cumbria, UK
Radioactive Contamination of Aquatic Ecosystems in the Areas of Nuclear Power Plants and Other Nuclear Facilities in Russia
A Comparative Study of the Speciation and Behaviour of Plutonium in the Marine Environment of Two Reprocessing Plants
Characterization of Rock Matrix Structure Using Microscopy and 14C-PMMA Method for the Study of Retardation Mechanisms in Granite
Β. 2. Sorption/Desorption Phenomena
Characterization of Hydrous Uranyl Silicate by EXAFS
Sorption of Iodine and Cesium on Some Mineral Oxide Colloids
Studies on the Interaction of Radionuclides with Organophilic Clays
Sorption of Uranium(VI) on Rock Material of a Mine Tailing Pile : Solution Speciation by Fluorescence Spectroscopy
Uranium Adsorption on Ferrihydrite - Effects of Phosphate and Humic Acid
Sorption of Europium(III)-Humate Complexes onto a Sandy Soil
A Kinetic Study of Cation Release from a Mixed Mineral Assemblage : Implications for Determination of Uranium Uptake
Perspectives for the Study of the Diffusion of Radionuclides into Minerals Using the Nuclear Microprobe Techniques
On the Incorrect Derivation and Use of In-situ Retardation Factors from Natural Isotope Profiles By I.
Β. 3. Natural Analogue Studies
Clays at the Natural Nuclear Reactor at Bangombé, Gabon: Migration of Actinides
Occurrence of Pu and Fissiogenic REE in Hydrothermal Apatites from the Fossil Nuclear Reactor 16 at Oklo (Gabon)
Characterization of Near- to Far-Field Ancient Migrations around Oklo Reaction Zones (Gabon) Using Minerals as Geochemical Tracers
Natural Radionuclide Fluxes and their Contribution to Defining Licensing Criteria for Deep Geological Repositories for Radioactive Wastes
On the Role of α-Recoil in Uranium Migration - Some Findings from the Palmottu Natural Analogue Site, SW Finland
Geochemistry of the Cigar Lake Uranium Deposit: XPS Studies
Naturally-Occurring Zirconolites - Analogues for the Long-Term Encapsulation of Actinides in Synroc
Β. 4. Effects of Biological Activities and Organic Materials
Influence of Organic Degradation Products on the Solubilisation of Radionuclides in Intermediate and Low Level Radioactive Wastes
The Use of Geochemical Speciation Modelling to Predict the Impact of Uranium to Freshwater Biota
Author Index of Volume 74 (1996)
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