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

Mobility of U, Np, Pu, Am and Cm from Spent Nuclear Fuel into Bentonite Clay

  • H. Ramebäck , Μ. Skälberg , U. Β. Eklund , L. Kjellberg and L. Werme
From the journal Radiochimica Acta
https://doi.org/10.1524/ract.1998.82.special-issue.167
Published Online: 2013-12-01
Published in Print: 1998-12-01

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

From the journal
Radiochimica Acta
Radiochimica Acta
Volume 82 Issue s1
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PREFACE
CONTENTS
A. Chemistry of Actinides and Fission Products in Natural Aquatic Systems
A. 1. Solubilities and Dissolution Reactions
The Enthalpies of Solution of Lanthanide Metals in Hydrochloric Acid at Various Concentrations. Relevance to Nuclear Waste Long Term Storage
Solubility Product of Pu(OH)4(am)
A Thermodynamic Model for the Solubility of U02(am) in the Aqueous K+-Na+-HCO-3-CO2-3 -OH--H2O System
The Effect of Cement Additives on Radionuclide Solubilities
Comparison of the Leaching Behaviour of Irradiated Fuel, SIMFUEL, and Non-Irradiated U02 under Oxic Conditions
XPS Studies on the Leached Surface Layer of WAK-HLW Glass
Α. 2. Complexation with Inorganic and Organic Ligands
Thermodynamics of Cm(III) in Concentrated Electrolyte Solutions. Carbonate Complexation at Constant Ionic Strength (1 m NaCl)
Bicarbonate Complexes of Trivalent Actinides - Stable or Unstable?
Complex Formation between UO2+2 and CO2-3: Studied by Laser-Induced Photoacoustic Spectroscopy (LIPAS)
Carbonate Complexation of Neptunyl(VI) Ion
Electrochemical Characterisation of the Ce(IV) Limiting Carbonate Complex
Complex Formation in the Ternary U(VI)-F-L System (L = Carbonate, Oxalate and Picolinate)
Complexation of Uranyl(VI) by Aqueous Orthosilicic Acid
Determination and Comparison of Uranyl Complexation Constants with Natural and Model Humic Acids
Complexation of Eu(III) with Humic Substances Fractionated by Coagulation
EXAFS Investigations of the Interaction of Humic Acids and Model Compounds with Uranyl Cations in Solid Complexes
Reduction of Np(VI) and Pu(VI) by Organic Chelating Agents
Stokes Relationship in Absorption and Fluorescence Spectra of U(VI) Species
Α. 3. Colloid Formation
Formation and Stability of Colloids under Simulated Near Field Conditions
Formation of Tc(IV) Colloids and Coagulation Processes
Α. 4. Experimental Methods
Laser Induced Photoacoustic Spectroscopy Applied to a Study on Colloid Formation Processes
Laser-Induced Photothermal Displacement Spectroscopy (LIPDS) for Speciation of Lanthanides and Actinides
Measurement of Hydrolysis Species of U(VI) by Time-Resolved Laser Induced Fluorescence Spectroscopy
CHEMLAB - in situ Diffusion Experiments Using Radioactive Tracers
Β. Geochemical Interactions and Transport Phenomena
B. 1. Diffusion and Migration in Geologic Media
Behaviour of Plutonium at the Surface and in a Geologic Environment
Mobility of U, Np, Pu, Am and Cm from Spent Nuclear Fuel into Bentonite Clay
Diffusion Behaviour of Se(-II) and Sm(III) in Compacted Sodium Bentonite
Diffusion of Some Radionuclides in Compacted Ca-Bentonite under Reducing Condition
Determination of the Diffusion Coefficient of Ionic Species in Boom Clay by Electromigration: Feasibility Study
Diffusion and Sorption of 32Si-labelled Silica in the Boom Clay
Interactions of Cement Pore Fluids with Host Rock and the Effects on HTO, Na and Cs Diffusion
Migration Behavior of Eu(III) in Sandy Soil in the Presence of Dissolved Organic Materials
Β. 2. Sorption/Desorption Phenomena
A Study of the Surface Sorption Process of Cm(III) on Silica by Time-Resolved Laser Fluorescence Spectroscopy (I)
Structural Characterization of Sorption Complexes of Cm(III) at the Phosphate Minerals-Solution Interface Using Laser Spectrofluorimetry
Characterization of Eu(III) Species Sorbed on Silica and Montmorillonite by Laser-Induced Fluorescence Spectroscopy
Sorption of Europium on Illite (Silver Hill Montana)
Adsorption/Desorption of Lanthanides on Metal Oxides Interfaces
The Influence of Anionic Ligands on the Sorption Behaviour of Eu(III) on Natural Hematite
Sorption of Thorium onto Hematite Colloids
Sorption of NpO+2 and Co2+ onto TiO2
Sorption Equilibrium and Kinetics of NpO+2 Uptake onto Illite
Sorption of Iodide, Cesium and Strontium on Organophilic Bentonite
Cesium Sorption Studies on Spanish Clay Materials*
Na, Ca and Sr Retardation on Crushed Crystalline Rock
Reactive Transport of Sr, Cs and Tc through a Column Packed with Fracture-filling Material
Soil-Solution Distribution Coefficients, Kd s, of I- and IO-3 for 68 Japanese Soils
Surface Properties of Two Thorium Phosphate Compounds: Th4(P04)4P207 and Th3(P04)4; Comparison and Consequences for the Retention of Actinides
Influence of Physico-Chemical Forms of Radionuclides on their Migration in the Environment
Β. 3. Natural Analogue Studies
36Cl,129I and Noble Gas Isotope Systematics in Groundwaters from the Lac du Bonnet Batholith, Manitoba, Canada
Distributions of Uranium-Series Radionuclides in Rock and Migration Rate of Uranium at the Koongarra Uranium Deposit, Australia
Isotopic Analyses by Using a Sensitive High Resolution Ion Micro-Probe (SHRIMP) for Natural Analogue Study of Oklo and Bangombé Natural Fission Reactors
ESR and CL Observed in Quartz Grains from Uranium Deposits: Implications for Uranium Migration in Natural Hydrogeological Environments
Uranium Micro-isotopic Analysis of Weathered Rock by a Sensitive High Resolution Ion Microprobe (SHRIMP II)
The Geochemical Behavior of Iodine-129 in Uranium Deposit
Β. 4. Effects of Biological Activities and Organic Materials
Role of Bacteria as Biocolloids in the Transport of Actinides from a Deep Underground Radioactive Waste Repository
An Examination of the Sorption Characteristics of 241Am(III) and Eu(III) Bound by Humic Substances Chemically Immobilized on Silica Gel
Effects of Humic Acid on the Sorption of Eu(III) onto Kaolinite
Adsorption of Uranium on Clay and the Effect of Humic Substances
Mobility of the Dissolved Organic Matter through Intact Boom Clay Cores
Stability of 125I and 14C Labelled Boom Clay Organic Matter
The Release of Organic Material from Clay Based Buffer Materials and its Potential Implications for Radionuclide Transport
Effects of Gluco-isosaccharinate on Cs, Ni, Pm and Th Sorption onto, and Diffusion into Cement
Probability of Production of Mobile Plutonium in Environments of Soil and Sediment
C. Data Base Development and Modelling
C. 1. Data Selection and Evaluation
An Approach to Validation of Solubility Databases for Performance Assessment
On Weak Complex Formation: Re-interpretation of Literature Data on the Np and Pu Nitrate Complexation
C. 2. Geochemical Models and Modelling
Geochemical Modelling of Repository Systems: Limitations of the Thermodynamic Approach
Use of the HARPROB Program to Evaluate the Effect of Parameter Uncertainty on Chemical Modelling Predictions
C. 3. Application of Models
A Quantitative Model for Ion Diffusion in Compacted Bentonite
Mathematical Modelling of the Effects of Aerobic and Anaerobic Chelate Biodegradation on Actinide Speciation
Author Index
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