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Experimental determination of the electrochemical properties of bismuth chloride in eutectic LiCl–KCl and LiCl–KCl–CaCl2 molten salts

Journal Article · · Journal of Radioanalytical and Nuclear Chemistry

Bismuth has been investigated as a potential liquid electrode for molten salt electrorefining, but the electrochemical behavior of Bi3+/Bi redox couple has received scant attention in LiCl–KCl and LiCl–KCl–CaCl2 eutectics. Electroanalytical techniques were used to determine properties of Bi3+/Bi. Diffusivities of 6.71 and 8.93 × 10–6 cm2 s–1 and standard apparent potentials of 0.1166 and 0.1187 V versus Ag/AgCl (4.75 mol%) were recommended for BiCl3 in LiCl–KCl and LiCl–KCl–CaCl2 eutectics, respectively, at 680 ± 3.1 K. The ICP-MS analysis of BiCl3 content limited the accuracy of the results. Furthermore, the reliability of the results improved with a more thorough drying procedure for CaCl2.

Research Organization:
Brigham Young University, Provo, UT (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
Grant/Contract Number:
AC52-07NA27344
OSTI ID:
2533544
Journal Information:
Journal of Radioanalytical and Nuclear Chemistry, Journal Name: Journal of Radioanalytical and Nuclear Chemistry Journal Issue: 3 Vol. 333; ISSN 0236-5731
Publisher:
SpringerCopyright Statement
Country of Publication:
United States
Language:
English

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