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Title: Communication—Quantitative Voltammetric Analysis of High Concentration Actinides in Molten Salts

Abstract

Previous electroanalytical studies have shown that cyclic voltammetry can provide accurate quantitative measurements of actinide concentrations at low weight loadings in molten salts. However, above 2 wt%, the techniques were found to underpredict the concentrations of the reactant species. Here this work will demonstrate that much of the discrepancy is caused by uncompensated resistance and cylindrical diffusion. An improved electroanalytical approach has therefore been developed using the results of digital simulations to take these effects into account. This approach allows for accurate electroanalytical predictions across the full range of weight loadings expected to be encountered in operational nuclear fuel processing equipment.

Authors:
 [1];  [1];  [1]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Nuclear Energy (NE), Fuel Cycle Technologies (NE-5)
OSTI Identifier:
1373384
Grant/Contract Number:  
AC02-06CH11357
Resource Type:
Journal Article: Accepted Manuscript
Journal Name:
Journal of the Electrochemical Society
Additional Journal Information:
Journal Volume: 164; Journal Issue: 2; Journal ID: ISSN 0013-4651
Publisher:
The Electrochemical Society
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; Actinides; Electroanalytical Voltammetry; Molten Salt

Citation Formats

Hoyt, Nathaniel C., Willit, James L., and Williamson, Mark A.. Communication—Quantitative Voltammetric Analysis of High Concentration Actinides in Molten Salts. United States: N. p., 2017. Web. doi:10.1149/2.1481702jes.
Hoyt, Nathaniel C., Willit, James L., & Williamson, Mark A.. Communication—Quantitative Voltammetric Analysis of High Concentration Actinides in Molten Salts. United States. doi:10.1149/2.1481702jes.
Hoyt, Nathaniel C., Willit, James L., and Williamson, Mark A.. Wed . "Communication—Quantitative Voltammetric Analysis of High Concentration Actinides in Molten Salts". United States. doi:10.1149/2.1481702jes. https://www.osti.gov/servlets/purl/1373384.
@article{osti_1373384,
title = {Communication—Quantitative Voltammetric Analysis of High Concentration Actinides in Molten Salts},
author = {Hoyt, Nathaniel C. and Willit, James L. and Williamson, Mark A.},
abstractNote = {Previous electroanalytical studies have shown that cyclic voltammetry can provide accurate quantitative measurements of actinide concentrations at low weight loadings in molten salts. However, above 2 wt%, the techniques were found to underpredict the concentrations of the reactant species. Here this work will demonstrate that much of the discrepancy is caused by uncompensated resistance and cylindrical diffusion. An improved electroanalytical approach has therefore been developed using the results of digital simulations to take these effects into account. This approach allows for accurate electroanalytical predictions across the full range of weight loadings expected to be encountered in operational nuclear fuel processing equipment.},
doi = {10.1149/2.1481702jes},
journal = {Journal of the Electrochemical Society},
number = 2,
volume = 164,
place = {United States},
year = {Wed Jan 18 00:00:00 EST 2017},
month = {Wed Jan 18 00:00:00 EST 2017}
}

Journal Article:
Free Publicly Available Full Text
Publisher's Version of Record

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