Recent Advances In Actinide Science (eBook)

Chapter One: Analysis, the Environment and Biotransformations; Biotransformation of Actinides; Microbial Transformations of Actinides in Transuranic- and Mixed-Wastes: Implications for Radioactive-Waste Disposal; A Brief Review of the Enzymatic Reduction of Tc, U, Np, and Pu by Bacteria; Actinides - A Challenge for Nuclear Forensics; Non-Exchangeable Binding of Radionuclides by Humic Substances: A Natural Chemical Analogue; On the Multi-Spectroscopic Approach for Radionuclide/Mineral Interaction Modelling in Aqueous Solutions; Compact Accelerator Mass Spectrometry: A Powerful Tool to Measure Actinides in the Environment; Interaction Mechanisms of Uranium with Bacterial Strains Isolated from Extreme Habitats; High Sensitivity Plutonium Isotopic Analysis in Environmental and Monitoring Samples; Speciation of the Oxidation States of Np and Pu in Aqueous Solutions by CE-ICP-MS and CE-RIMS; Soft X-Ray Spectromicroscopy of Actinide Particulates; Uranium Colloid Analysis by Single Particle Inductively Coupled Plasma - Mass Spectrometry; Status of The European Network for Actinide Sciences, ACTINET; Using Surface Imaging and Analytical Techniques to Study the Calcite Surface in Contact with Aqueous UO22+ Ions; Production of High-Purity 236Pu From 237Np by a Photonuclear Reaction; Decontamination of Soils in Liquid ?O2; A Novel Hydrogen Uranyl Phosphate-Based Bio-Inorganic Ion Exchanger for the Removal of 60Co, 85Sr And 137Cs from Aqueous Solutions; Effect of Closo-Dodecacarborane Ion Exchangers on the Potentiometric Response of Ionophore-Based Ion-Selective Electrodes; Geochemical and Microbial Controls on Decomposition and Dispersion of Depleted Uranium (DU) in the Environment: An Overview of Current Research and the Development of Methods for Handling DU Microparticulates; Fibrous "Filled" Sorbents for the Preconcentration of Actinides and Technetium; Np(V) Sorption to Goethite in the Presence of Natural and Hydroquinone-Enriched Humic Acids; Sorption of Np(IV) and Np(V) by Depleted Uranium Dioxide; The Recommended Values of 239Pu and 240Pu Concentrations in IAEA Standard Reference Material Estimated by Three Measuring Methods: Isotope Dilution-Thermal Ionizaton Mass Spectrometry, Inductively Coupled Plasma Mass Spectrometry and Alpha Spectrometry; A Sequential Separation Procedure for Pu, Am, U and Np Isotopes in Soils and Liquid Samples; Combination of Alpha Track Analysis, Fission Track Analysis with SEM-EDX and SIMS to Study Spatial Distribution of Actinides; Aspects of UO3 Dissolution Kinetics; Determining the Radiation Damage Effect on Glovebox Glove Materials; Plutonium-Humate Complexation in Natural Groundwater by XPS; Uranium Sorption and Solubility Under Conditions Relevant for the Radioactive Waste Repository in Morsleben / Germany; The Application of Colloidal Photocatalysis in Actinide Photoredox Chemistry; Study of the Chemical Scheme of ?-TUPD Solid Solution Alteration; Solubility Studies of Uranium(IV) by Laser-Induced Breakdown Detection (LIBD); Resonance Ionisation Mass Spectrometry for Element- and Isotope-Selective Trace Analysis of Actinides in Environmental Micro-Particles; The Romanian Uranium Industry- Its Past and Future in the Context of The Strengthening and Integration of the European Research Area; Uranium and Neptunium Sorption onto Magnetite Under Suboxic Conditions; The Application of Avalanche Photodiodes for the Measurement of Actinides by Alpha Liquid Scintillation Counting; The Effect of Uranium on the Corrosion of Stainless Steel in High Temperature Molten Salts in the Presence of Moisture; Reactions of the Feldspar Surface: Surface Composition and Microtopography After Contact with Radionuclides and Heavy Metals; The Influence of Oxalate on the Partitioning of Trivalent f-Elements to Hematite; Mechanisms for the Reduction of Actinide Ions by Geobacter Sulfurreducens; Oxidation and Surface Complexation of Actinyl Species by Oxides; Chapter Two: Coordination and Organometallic Chemistry; Structure-Property Relationships in Novel Actinide Compounds with Heavy Oxoanions; On the Role of f-Obitals in the Bonding in f-Element Complexes: the "Feudal" Model as Applied to Organoactinide and Actinide Aquo Complexes; New Catalytic Reactions Promoted by Organoactinides; Octacoordinate Soft Donor Complexes of Trivalent and Tetravalent Lanthanide and Actinide Cations; Structure and Stability of Peroxo Complexes of Uranium and Plutonium in Carbonate Solution; Sequestered Plutonium: Structural Characterisation and Complex Formation of Pu(IV) Complexes with Siderophore-Like Ligands; Extraction of Actinides by Functionalised Calixarenes; 5f Element Complexes with 'Soft' Donor Atom Ligands: Eight Coordinate Pu(III) Pyrazinyl and Thioether Complexes; Plutonium(V) Chemistry in Neutral Aqueous Complexing Media: New Crystal Compounds Synthesis and Study of their Structure and Properties; Management of Transuranic Actinide Containing Materials in Nuclear Clean up in the UK; Extending the Chemistry of the Uranyl Ion: {UO2}2+ Acting as a Lewis Acid and a Lewis Base; Covalency in Uranium Complexes and New f-Element Chemistry that Exploits Soft Organometallic Carbene Ligands; Variability in the Crystal Structures of Uranium(VI), Neptunium(VI) and Plutonium(VI) Phthalates; Novel Neptunyl(V) and Plutonyl(V) Bi-Oxalate Compounds: Synthesis, Properties and Structure; Synthesis and Crystal Structure of a New Np(V) Oxalate, Na4(NpO2)2(C2O4)3.6H2O; Plutonyl(V) Malonate Compounds: Synthesis and Properties; Crystal Compounds of Plutonyl(V) Monooxalate Complex; Solid Compounds of Np(V) with 2,4,6-Tri-(2-Pyridyl)-1,3,5-Triazine: Crystal Structure, Spectral and Thermal Properties; Complex Formation of Np(V) with Picolinic, Nicotinic and Isonicotinic Acids; The Stability of a Uranyl(V) Benzoyl Acetonate Complex in Dimethyl Sulfoxide; Preparation of Uranium(III) Perchlorate in N,N-Dimethylformamide and Other Aprotic Media; Bent Metal Carbenes - Electrostatic Bonds vs Covalency in Organometallic Actinide Chemistry; Uranyl Complexation by a Hinged Polypyrrolic Macrocycle; Hydrogen Bonding with the Uranyl Oxo Atom and Enforced ??Stacking in the Equatorial Plane; Structure of Trivalent Americium and Lanthanide Complexes with Phosphoryl Acetic Acid Amides; Surprising Activity of Organoactinide Complexes in the Polymerization of Cyclic Mono- and Diesters; The Affinity of N Donor Ligands in AnO22+ Complexes and Synthetic Routes to New Neptunyl Chemistry; Synthesis and Crystal Structure Determination of Some Mixed Oxalates of Actinide(s) and/or Lanthanide and Monovalent Cations (NH4+ or N2H5+); Complexation of a B-Type Unsaturated Polyoxoanion, [BiW9O33]9-, to Actinyl, {UO2}2+, {NpO2}+ and {PuO2}2+, Cations; Uranium Coordination to Environmentally Relevant Polyhydroxycarboxylate Ligands; Co-Crystallisation Processes in a Study of Physiochemical Properties of Actinides and Lanthanides in Lower Oxidation States; Monocarboxylate Complexes of Uranyl: a Relativistic Density Functional Study; Coordination Chemistry of Americium: Synthesis, Structure of Am(III) Iodates; The Performance of Time-Dependent Density Functional Theory in the Simulation of the Electronic Spectra of Molecular Uranium Complexes; The Effect of Solvent on the Modelling of the Geometry and Vibrations of UO2(H2O)52+; Chapter Three: Heavy Elements; Chemistry of Transactinides; Unusual Volatility of Oxides Formed by Some Actinides; SISAK Liquid-Liquid Extraction Studies of Rutherfordium and Future Plans to Study Heavier Transactinides; Development of a System for Chemical Studies of Rutherfordium by Liquid-Liquid Extraction From Sulphuric Acid Solutions with SISAK; Influence of KCl on the Extraction of Rutherfordium Homologues Hafnium and Zirconium from Sulphuric Acid with Tri-Octylamine in Toluene; Thermochromatographic Adsorption Studies of Curium and Berkelium; Self-Diffusion Coefficients and Structure of the Trivalent f-Element Ions, Eu3+, Am3+ and Bk3+ in Aqueous Solution; Ceramic Plutonium Target Development for the MASHA Separator for the Synthesis of Element 114; Chapter Four: Nuclear Fuels, Materials and Waste Forms; Understanding and Predicting Self-Irradiation Effects in Plutonium Alloys: A Coupled Experimental and Theoretical Approach; Identifying and Quantifying Actinide Radiation Damage in ZrSiO4 Minerals and ceramics with Nuclear Magnetic Resonance; Lessons Drawn From Studies of the Transmutation of Fuels Carried Out in the Framework of the French Law of December 1991 on the Management of Long Lived Waste; Properties of Minor Actinide Compounds Relevant to Nuclear Fuel Technology; Transformation Characteristics of Isothermal Martensite in Pu-Ga Alloys; Reactivity of Mixed Uranium and Plutonium Nitride with Silicon Carbide as Materials for Gas Cooled Fast Reactors; Confinement of Plutonium and Thorium in Monazite/Brabantite, in View of Actinide Conditioning; Physical and Electronic Properties Changed by Aging Plutonium; Corrosion Resistance of Uranium Metal Surface with CO and SCCO2 Treatment; Pyrochemical Processing of Plutonium at AWE; Uranium Ion Valences in Perovskite, Zirconolite and Pyrochlore from Near Infrared Diffuse Reflectance Spectroscopy; Thermal and Mechanical Properties of Simulated High Burnup Uranium Oxide Fuels; Thermodynamic Modelling and Analyses of Molten Salt Reactor Fuel; Structure of the Americium Pyrochlore Am2Zr2O7 and its Evolution Under Alpha Self-Irradiation; Local Structure of Th1-XMXO2 Solid Solutions with M = U, Pu; First-Principles Phase Diagram of the Ce-Th System; Crystal Stability and Equation of State for Am: Theory; XPS Study of High Temperature Oxidation of a Plutonium Alloy Under Vacuum; Phase Relation of Mixed Oxide Fuel Containing Np and Am; Study on Corrosion Resistance Improvement of U and U-Nb Alloys by Ion Implantation with Niobium; Simulation by External Irradiation of Self-Irradiation Effects on Thorium Phosphate Diphosphate (?-TPD) - Consequences for Its Dissolution; From Thorium Phosphate-Hydrogenphosphate Hydrate to Thorium Phosphate-Diphosphate : A New Way of Preparation of ? TPD and Associated Solid Solutions with Actinides; Invariant Equilibria in Binary Plutonium Phase Diagrams, Relationships; Photoemission and Secondary Ion Mass Spectrometry Study of Uranium Passivation by C+ Implantation; Optical Metallography of Plutonium; New Family of Intermetallic Hydrides: U2T2InHx and U2T2SnHx; Self-Propagating High-Temperature Synthesis of Actinide-Containing Pyrochlore-Type Matrices; Relation Between Solubility and Local Environment of Actinides and Surrogates in Borosilicate Glasses; Electrochemical Studies of Uranium Metal Corrosion Mechanism and Kinetics in Water; The Effect of Oxygen Potential on the Sintering Behaviour of MOX Fuel Containing Americium; Variation of Lattice Parameter and Thermal Expansion Coefficient of (U,Er)O2 as a Function of ErO1.5 Content; An Experimental Investigation of Effects of Americium Addition to (U, Pu)O2-X on Phase Relation; Molecular Dynamics Studies of Uranium-Plutonium Mixed Oxide Fuels; Thermodynamic Modelling of the Uranium-Zirconium-Iron-Oxygen System; Nanoindentation Studies of Uranium Intermetallic Compounds; Self-Irradiation of Ceramics and Single Crystals Doped with Plutonium-238; Actinoid Phosphates of Kosnarite Structure; Monazite and Kosnarite-Based Ceramics Containing Uranium and Plutonium; Application of ?eramicrete Matrices for Low-Temperature Solidification of Liquid Actinides-Containing Wastes; Ab Initio Study of Uranium and Plutonium Carbides and Nitride; Effect of High Static Pressure on Crystaline and Electronic Structures of Transition, Lanthanide and Actinide Metals; Positron Annihilation Spectroscopy: A Powerful Tool to Investigate the Early Stages of Self-Irradiation Effects in ?-Pu Alloys; High Pressure X-Ray Diffraction Study of a Pu0.92Am0.08 Binary Alloy; Calculation of the Critical Concentration of Helium Release From Uranium Tritide; Recycle of Calcium in Incineration Process of Low Level Radioactive Wastes; Vaporization Behaviour of Pu-Cd Intermetallic Compounds; Development of the Scientific Concept of the Phosphate Methods for Actinide-Containing Waste Handling (Pyrochemical Fuel Reprocessing); Synthesis and Investigations of the Phosphates of Th, U, Np, Pu, Am and Lanthanides with Monazite, Zircon, Kosnarite and Langbenite Mineral-Like Structures; Basic Concept of Hydro-Pyro Hybrid Type Sulfide Process for Spent Fuel; Low Temperature Selective Reduction of U3O8 in the Presence of Sulfurizing Agents; Chapter Five: Separation and Solution Chemistry; Actinide Solution Chemistry And Chemical Separations: Structure-Function Relationships In The Grand Scheme Of Actinide Separations Science; X-Ray Absorption Spectroscopy of Actinides Involved in Toxicological Processes; Solubility and Redox Reactions of Plutonium(IV) Hydrous Oxide in the Presence of Oxygen; Uranium Speciation in Molten Salts from X-Ray Absorption and Electronic Absorption Spectroscopy Measurements; The Separation of Plutonium from Uranium by Solvent Extraction: Recent Developments for Advanced Fuel Cycles; Ternary Complex Formation and Coordination Modes of Am, Cm and Rare Earths with EDTA+NTA: Stability Constants, TRLFS and 13C NMR Studies; Influence of Temperature and Ionic Strength on the Hydration of Curium(III) in Aqueous Solution Studied with TRLFS; Insights into Third Phase Formation Using Neptunium; Investigation of the Behavior of Am (IV), (V) And (VI) in Alkaline Media; A Comparative Study of the Complexation Of Uranium(VI) with Oxydiacetic Acid and its Amide Derivatives; Actinide Electrochemistry in Low Temperature Ionic Liquids; New Data on Extraction of Nitric Acid with 30% TBP from Solutions Containing Uranyl Nitrate; New Data on Extraction of Tetravalent Uranium With 30% TBP from Solutions Containing Uranyl Nitrate; Behaviour Of Some Anhydrous U(IV) Complexes in Hydrophobic Room Temperature Ionic Liquids; The Hydrolysis of Protactinium(V): Equilibrium Constants and Determination of the Standard Thermodynamic Data; The Study of Polymerization of Pu(OH)4 and its Solubility in 0.01M NaCl Solutions at Various pH Values; Dissolution Of Actinide Oxides In Some Organic Reagents Saturated With Nitric Acid; Separation of Uranium and Plutonium by the Method of Countercurrent Chromatography; Alkaline Sequestrants in Hanford Tank Waste Processing; Anion Control in Hanford Leachates by Solid-Liquid Separation; Uranium Removal From Process Effluents Containing Chromate And Aluminum Nitrate; Diffusion Coefficients of Actinide and Lanthinde Elements in Liquid Metal for Reductive Extraction; Electrochemical and Spectroscopic Characteristics of Uranium Ions in a Hydrate Melt; Spectroscopic Study for the Oxychloride Precipitation of Neodymium and Uranium in Chloride Melts; Extraction of Transuranium Elements and T?(VII) from Acid Solutions by Neutral Phosphorous Compounds; Transuranium, Rare Earth Elements and Technetium (VII) Extraction by Calix[4]Arenes From Acidic and Alkaline Media; Adsorption Properties of Amidoxime Resins for Uranium(VI) and Some Fission Products Soluble in Aqueous Carbonate Solutions; Solubility of UO2(?-Diketonato)2DMSO Complexes (?-Diketonate = Acetylacetonate, Trifluoroacetylacetonate, Hexafluoro-Acetylacetonate; DMSO = Dimethyl Sulfoxide) In Supercritical CO2; Kinetic Study on Exchange Reaction of Hexafluoroacetyl-Acetonate in Bis (Hexafluoroacetylacetonato) (Dimethyl Sulfoxide) Dioxouranium(VI) in Supercritical CO2 by 19F NMR; Heat Oscillating Extraction of Rare Earth Elements; Mathematical Model of Extraction Separation of f-Elements in Non-Stationary Conditions; Final Tests using the BNFL Electrorefiner at Harwell; Behaviour Of FPs And TRU in a Fluoride Volatility Process; Specific Features of Kinetics and Mechanism of Np(IV) Oxidation with Nitric Acid in Aqueous and TBP Solutions; Lanthanide Salt Solutions: Representation Of Osmotic Coefficients Within the Binding Mean Spherical Approximation; The Reduction of Np(VI) by Acetohydroxamic Acid in Nitric Acid Solution; Photoreduction Of UO2F2 Enriched with 18O in Isopropanol Solution; Electrorefining of Plutonium in Calcium Chloride; Separation of Minor Actinides and Lanthanides from Nitric Acid Solution by R-BTP Extraction Resin; UC Electrochemical Behaviour in Aqueous Solution; Redox Behaviour of Plutonium(IV) in Acidic Solutions; The Effect of Fission Product Elements on the Chlorination of Uranium Metal in Molten Salts; Spectroelectrochemical Studies of Uranium Behavior in (Li-K)Cleut Based Melts At 450 ?C; Evaluation of Nuclear Fuel Cycle Systems for Actinide Recycle in Feasibility Study on Commercialized Fast Reactor Cycle Systems; Extraction of Transplutonium and Rare-Earth Elements with the use of Zirconium Salt of Dibutyl Phosphoric Acid; The Effect of Dibutylphosphoric Acid on Actinide (IV) Extraction by 30% TBP from Solutions Containing Uranyl Nitrate; Sorption Properties of New Solid Extractants Based on Malonamide Compounds; Direct Extraction of Uranium and Plutonium with Supercritical Carbon Dioxide from MOX Fuel; Modelling the Hydrolysis of Actinide Complexed Hydroxamic Acid Ligands; A New Approach for Estimating Stability Constants Between Actinides and Organic Ligands by Semi-Empirical Gibbs Energy Fragmental Method; Measurement of Some Actinides Redox Potentials in TBP Medium With Ultramicroelectrode; Development of High Throughput Electrorefining of Uranium in the Metallic Fuel Cycle; Experimental Data Points to Existence of Plutonium (VIII) in Alkaline Solutions; Control of Neptunium Routing During the Reprocessing of Spent Nuclear Fuel Using PUREX; Crystallization Behavior of Uranium and Plutonium in Nitric Acid Solution; A Hot Test on Minor Actinides Separation from High-Level-Waste by CMPO/SiO2-P Extraction Resin; Recovery Of Uranium and Plutonium Metals Through Cathode Processing of Electrodeposits from Reduced Oxide Fuel Anodes; Kinetics of Electrochemical Generation of Silver(II); Ionic Liquids for Actinides and Lanthanides Chemistry; Solvent Extraction of Actinides by Tetraalkylpyridine-N-Oxide-Bis Phosphine Oxide Complexants; Kinetics and Mechanism of Actinide Complexation by Polydentate Ligands; The Significance of Minor Actinide Based Fuel Cycles in Advanced Fuel Cycles; Separation of Uranium from Radioactive Waste using Supercritical Carbon Dioxide with Nitric Acid - Tri-n-Butylphosphate Complex; Chapter Six: Spectroscopy and Magnetism; Spectroscopic Actinide Speciation for Nuclear Waste Disposal; Superconductivity in Actinide Materials; Neutron Scattering Studies of NpTGa5 (T = Fe, Co, Ni and Rh); Tuning the Superconducting Behaviour of the PuTGa5 Compounds; The Electronic Structure of the Pu-Based Superconductor PuCoGa5: LSDA and LSDA+U Investigations; Ground State and Solution Behaviour of Actinide Ions Investigated by Nuclear Magnetic Resonance Methods; Polarization Effects in EXAFS Spectra at the Uranium L1 and L3 Edge - A Comparison Between Theory and Experiment; A Study of the Competition Between Delocalization and Spin-Orbit Splitting in the Actinide 5f States; A Crossover Effect of the 5f Electrons of Uranium Compounds: From Itinerant to Localized, With Increasing Temperature; Localization of 5f Electrons and Phase Transitions in Americium; Orbital Ordering in Actinide Oxides: New Perspectives on Old Problems; Electronic Structure of ?-Pu: Theories and PES Experiments; Magnetic Properties of Radiation Damage in Pu and Pu Alloys; A Photoelectron Spectroscopy Investigation of the Early Stages of Neptunium Oxidation; Electronic Structure of Molecular Actinide Compounds Through Spectroscopic Experiments Combined with Theoretical Modelling; Influence of Self-Irradiation Damage on the Superconducting Behaviour of Plutonium-Based Compounds; MARS Beamline, A New Facility for Studying Radioactive Matter from a Synchrotron Source; Solid State Synthesis and X-Ray Diffraction Characterization of Pu3+(1-2x)Pu4+xCa2+xPO4; Chemiluminescence in Solid-Phase Reactions of Uranium (IV) and Terbium (III) Compounds; Chemiluminescent Reactions of Uranium and the Role of UO2+; Magnetic Anisotropy of U2Co17-xSix Single Crystals; High-Field Magnetization of a UIrGe Single Crystal; Comparative Photoemission Study of Actinide Metals, Nitrides and Hydrides; Cathodoluminescence of Actinide Ions in Crystalline Host Phases Electronic Structure of the Americium Monopnictides: Ab Initio Calculations and Photoemission Experiments; Using Nano-Focussed Bremstrahlung Isochromat Spectroscopy (nBIS) to Determine the Unoccupied Electronic Structure of Pu: A Proposed Study Fluorescence Spectroscopy of Protactinium(IV); Pu, Np and U Valence States and the Determination of their Molecular Form by Chemiluminescence and Pulsed Laser Spectroscopy; Air-Oxidation Behaviour of UO2 and Gd-Doped UO2 by XAS; Speciation Of Radionuclides With Bioligands Using Time-Resolved Laser-Induced Fluorescence (TRLIF) and Electrospray Mass Spectrometry (ES-MS); Magnetic Diagrams of PuGa3 Under Pressure; Magnetic Ordering of U and Co Moments in (Th,U)Co2X2 (X = Si, Ge) Solid Solutions; Spectroscopic Investigations of Uranium Species in Alkali Chloride Molten Salts; Magnetic and Electrical Properties of UCu3M2Al7 Alloys; X-Ray Photoelectron Spectroscopy Study of Neptunium-Containing Ceramics on the Basis of Ferrite and Titanate (6P23); Subject Index