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Licensed Unlicensed Requires Authentication Published by De Gruyter (O) December 1, 1994

Geochemical Association of Plutonium in Marine Sediments from Palomares (Spain)

  • M. P. Antón , C. Gascó , J. A. Sanchez-Cabeza and Ll. Pujol
From the journal Radiochimca Acta
https://doi.org/10.1524/ract.1994.6667.special-issue.443
Published Online: 1994-12
Published in Print: 1994-12

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

From the journal
Radiochimca Acta
Radiochimca Acta
Volume 66-67 Issue Supplement
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Journal and Issue

Articles in the same Issue

Masthead
Preface
Contents
A. Chemistry of Actinides and Fission Products in Natural Aquifers
A. 1. Solubility, Dissolution and Leaching
Long Term Plutonium Solubility and Speciation Studies in a Synthetic Brine
Effect of the Complexation on Solubility of Pu(IV) in Aqueous Carbonate System
The Effects of Radiolysis Upon Speciation and Solubility of Neptunium in Brine Solutions
Neptunium Uptake on Boom Clay - Time Dependence and Association of Np with Fine Particles
Kinetic Studies of Unirradiated UO2 Dissolution under Oxidizing Conditions in Batch and Flow Experiments
A Comparison Between Unirradiated UO2(s) and Schoepite Solubilities in 1 Μ NaCl Medium
Solubility Equilibria in the U(VI)-Ca-K-Cl-H2O System: Transformation of Schoepite into Becquerelite and Compreignacite
Effects of Hypochlorite Ion on the Solubility of Amorphous Schoepite at 25 °C in Neutral to Alkaline Aqueous Solutions
Solubility of Nd in Brine
A. 2. Hydrolysis, Complexation and Redox Reactions
An Independent Method for Data Selection of Long-life Radionuclides (Actinides and Fission Products) in the Geosphere
Kinetics of Complexation Reactions at Surfaces and in Solution: Implications for Enhanced Radionuclide Migration
Systematics of Hydrolysis and Carbonate Complexation Constants of Ions of Transuranium Elements
Thermodynamics of Radioactive Trace Elements in Concentrated Electrolyte Solutions: Hydrolysis of Cm3+ in NaCl-Solutions
Synthesis of Crystalline Americium Hydroxide, Am(OH)3 and Determination of its Enthalpy of Formation; Estimation of the Solubility-Product Constants of Actinide(III) Hydroxides
Stability of Plutonium(VI) in Selected WIPP Brines
Complex Formation of Np(V) with Nitrogen-Containing Carboxylates
Thermochemistry of a Few Neptunium and Neodymium Oxides and Hydroxides
Redox Chemistry in Uranium-rich Groundwater of Palmottu Uranium Deposit, Finland
Variation of Stability Constants of Thorium and Uranium Oxalate Complexes with Ionic Strength
Applications of Functionalized Azaphosphanes as Novel Scavenging Agents for TcO4-
A Comparative Study Employing Three Different Models to Investigate the Complexation Properties of Humic and Fulvic Acids
A Study of Metal-Humate Interactions Using Cation Exchange
Mixed Complex Formation of Eu3+ with Humic Acid and a Competing Ligand
The Acid/Base Chemistry of Montmorillonite
A. 3. Colloid Formation
A Column Experiment for the Study of Colloidal Radionuclide Migration in Gorleben Aquifer Systems
Characterization of Colloids by Measurement of Their Mobilities
Actinide Association with Groundwater Colloids in a Coastal Plain Aquifer
Colloidal Products and Actinide Species in Leachate from Spent Nuclear Fuel
Characteristics of Colloids Generated During the Corrosion of Nuclear Waste Glasses in Groundwater
Colloid Formation and Sorption of Americium in the Water/Bentonite System
The Adsorption of Europium to Colloidal Iron Oxyhydroxides and Quartz - The Impact of pH and an Aquatic Fulvic Acid
Interaction of Pseudocolloids with Mineral Surfaces: The Fate of the Scavenged Cation
A. 4. Experimental Methods
Radiochemical Approaches to the Migration of Elements from a Radwaste Repository
The Use of Microanalytical Techniques to Measure the Distribution of Uranium and Plutonium Sorbed on Rocks and Minerals
Comparison of Chemical Extractions and Laser Photoacoustic Spectroscopy for the Determination of Plutonium Species in Near-Neutral Carbonate Solutions
Robert J. Silva Nuclear Chemistry Division, Lawrence Livermore National Laboratory Mail Stop 458, P. O. Box 808, Livermore, CA 94530, USA
Β. Geochemical Interactions and Transport Phenomena
B. 1. Sorption
Comparison of Sorption Databases Used in Recent Performance Assessments Involving Crystalline Host Rock
Parameter Studies of Radionuclide Sorption in Site-Specific Sediment/Groundwater Systems
Redistribution of Neptunium(Y) During the Alteration of Ferrihydrite
Uranium Sorption on α-Alumina: Effects of pH and Surface-Area/Solution-Volume Ratio
Uranium Retention by Weathered Schists - The Role of Iron Minerals
Distribution of Uranium and Radionuclides in a Uranium-Mining Rockpile in Schlema, Saxony, Germany
Some Factors Affecting the Interactions of Organophilic Clay Minerals with Radioiodine
Study of the Kinetics of the Interaction of Cs-137 and Sr-85 with Soils Using a Batch Method: Methodological Problems
Redistribution of Strontium and Cesium During Alteration of Smectite to Illite
Sorption Characteristics of Radioactive Cesium and Strontium on Smectite
Sodium Adsorption onto Goethite as a Function of pH and Ionic Strength
Sorption of Nickel on Geological Materials
Β. 2. Migration
Migration of Uranium: Integrating Geochemistry with Biomonitoring to Evaluate and Predict its Environmental Impact
Migration Behaviour of Pu Released from Pu-doped Glass in Compacted Bentonite
Transport of Europium and Iodine through Sand Columns in the Presence of Humic Acids
Migration Behaviour of Barium and Strontium in Granite
Migration of 134,137Cs Radionuclides in the Soil and Uptake by Plants in German Spruce Forests
Accumulation Factors and Biogeochemical Aspects of Migration of Radionuclides in Aquatic Ecosystems in the Areas Impacted by the Chernobyl Accident
Migration Behaviour of 14C Labelled Bicarbonate, HTO and 131I in Boom Clay
The Dependence of Waste Form Dissolution on Migration Phenomena in the Host Medium
Β. 3. Diffusion
Diffusion of Neptunium(V) in Loosely Compacted Sodium Bentonite
Release and Diffusion of 90Sr from Spent UO2 Fuel in Bentonite Clay
Diffusion in Homogeneous and Heterogeneous Rock Matrices. A Comparison of Different Experimental Approaches
The Dispersion of 137Cs in the Aegean Sea
B. 4. Effects of Organic Materials
Effect of Natural Organics on Cs and Np Sorption
The Role of Low Molecular Weight Natural Organics in Metal Humate Interactions
Redissolution of Cesium Radionuclides from Sediments of Freshwater Lakes Due to Biological Degradation of Organic Matter
Effects of Cellulosic Degradation Product Concentration on Actinide Sorption on Tuffs from the Borrowdale Volcanic Group, Sellafield, Cumbria
Geochemical Association of Plutonium in Marine Sediments from Palomares (Spain)
Factors Influencing the Diffusion of Uranium, Plutonium and Radium through Sherwood Sandstone from Sellafield, Cumbria
Β. 5. Natural Analogs
Petrographic Analysis of Samples from the Uranium Deposit at Oklo, Republic of Gabon
Migration of Fission Products into Micro-Minerals of the Oklo Natural Reactors
Retention of Actinides in Natural Pyrochlores and Zirconolites
Uranium Migration/Retention Processes in Core Profiles from El Berrocal (Spain): Implications for Matrix Diffusion in Fractured Granite
Uranium Series Isotopic Study of Fracture Infill Materials from El Berrocal Site, Spain
Permeability Effects on Radionuclide Migration in a Highly Fractured Zone in the Lac du Bonnet Batholith, Canada
Role of Microscopic Flow-Paths on Nuclide Migration in Sedimentary Rocks
Author Index
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