Actinide Speciation in High Ionic Strength Media

Actinide Chemistry In High Ionic Strength Media: General Aspects.- Near Field and Far Field Interactions and Data Needs for Geologic Disposal of Nuclear Waste.- Modern Speciation Techniques Applied to Environmental Systems.- Modeling the Effect of Ionic Interactions on Radionuclides in Natural Waters.- Use of Dissolved and Colloidal Actinide Parameters within the 1996 Waste Isolation Pilot Plant Compliance Certification Application.- Chemical Species of Plutonium in Hanford Site Radioactive Tank Wastes.- Actinide Complexation And Solubility.- Dissociation Constants of Carboxylic Acids at High Ionic Strengths.- Correlation of Equilibrium Constants with Ionic Strength by SIT, Pitzer and Parabolic Models.- Actinyl(VI) Carbonates in Concentrated Sodium Chloride Solutions: Characterization, Solubility, and Stability.- Solubility of NaNd(CO3)2.6H2O(c) in Mixed Electrolyte (Na-Cl-CO3-HCO3) and Synthetic Brine Solutions.- Plutonium (VI) Solubility Studies in Savannah River Site High-Level Waste.- UO22+ and NpO22+ Complexation with Citrate in Brine Solutions.- Complexation and Ion Interactions In Am(III)/EDTA/NaCl Ternary System.- Interaction of Uranyl with Humic and Fulvic Acids at High Ionic Strength.- Actinide Colloidal And Microbiological Interactions.- Retardation of Colloidal Actinides through Filtration in Intrusion Borehole Backfill at the Waste Isolation Pilot Plant (WIPP).- Contribution of Mineral-Fragment Type Pseudo-Colloids to the Mobile Actinide Source Term of the Waste Isolation Pilot Plant (WIPP).- Laboratory Evaluation of Colloidal Actinide Transport at the Waste Isolation Pilot Plant(WIPP): 1. Crushed-Dolomite Column Flow Experiments.- Laboratory Evaluation of Colloid Transport under Simulated Subsurface Conditions at the Waste Isolation Pilot Plant (WIPP): 2.Large-Scale-Intact-Core Column Flow Experiments.- Toxicity of Actinides to Bacterial Strains Isolated from the Waste Isolation Pilot Plant(WIPP) Environment.