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Meeting 2017 TMS Annual Meeting & Exhibition
Symposium High Temperature Electrochemistry III
Presentation Title Thorium and Uranium Electrodeposition from Molten LiCl-KCl onto Alpha Spectroscopy Semiconductor Detector Surface
Author(s) Milan Stika, Joshua Jarrell, Thomas Blue, Lei R. Cao, Michael Simpson
On-Site Speaker (Planned) Milan Stika
Abstract Scope Alpha particle spectroscopy can serve as a valuable, isotope-specific, concentration monitoring tool in the harsh environment of molten chloride salts. In order to obtain good quality spectrum, a semiconductor detector needs to be brought as close to the analyzed sample as possible due to limited penetration capability of alpha particles. A thin actinide layer electrodeposited directly onto a semiconductor contact is an optimal solution to this obstacle. Techniques for obtaining a good quality, thin, non-dendritic deposits of thorium and uranium are under investigation. The nature of the periodic concentration monitoring also dictates that the deposit needs to be stripped away from the detector surface after each run. This is achieved by applying anodic voltage after the measurement. Techniques for efficient removal of the actinides from the surface, yet safe for the surface itself, are therefore discussed as well.
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Effects of Oxide Precursor Preparation Parameters on the Electrochemical Reduction of Tantalum Pentoxide in Calcium Chloride Melt
Electrochemical and Thermodynamic Properties of Gadolinium Chloride in LiCl-KCl Eutectic Salt
Electrochemical Behavior of Sn/SnCl2 Cathode in Na | NaCl-AlCl3-SnCl2 | Sn Cell
Electrochemical Deposition of Barium into Liquid Bismuth from BaCl2-LiCl-CaCl2-NaCl Electrolyte
Electrochemical Synthesis of TaC in Molten Salt
Electrochemical Techniques for Nuclear Safeguards in Molten Salt
Electrochemistry in Molten 2LiF-BeF2 Salt for the Fluoride Salt-Cooled High Temperature Reactor Applications
Impurity Removal from Titanium Oxycarbide
Initial Operation of Kg-Scale Electrolytic Reduction and Salt Distillation Equipment for the Pyroprocessing of Uranium Oxide in a Hot Cell
Molten Flux Design for Solid Oxide Membrane Based Electrolysis of Si from Silica
Optimized Voltammetry Methods for Measuring Concentration of Multiple Rare Earths and Actinides in Molten LiCl-KCl
Thermal Imaging Furnace Technique for Ultra-high Temperature Electrochemical Measurements
Thermochemical Properties of Barium-Bismuth Alloys Determined by Emf Measurements
Thorium and Uranium Electrodeposition from Molten LiCl-KCl onto Alpha Spectroscopy Semiconductor Detector Surface
Zirconium Management in the Mk-IV Electrorefiner

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