Real-time monitoring of metal ion concentration in LiCl–KCl melt using electrochemical techniques

By Kim, Dae-Hyeon; Bae, Sang-Eun; Park, Tae-Hong; Kim, Jong-Yun; Lee, Chi-Woo & Song, Kyuseok
Published in Microchemical Journal NULL 2014

Abstract

Cyclic voltammetry (CV) and chronoamperometry (CA) were employed to develop a real-time monitoring system for the pyrochemical process. These electrochemical techniques showed a good linearity of the current and the passed charges with the concentration of a solute even up to 9 wt.% in a LiCl–KCl melt, showing the potential for real application. To apply CA to the pyrochemical process, where the concentration of actinides and/or lanthanides is largely variable, the repeating chronoamperometry was designed and successfully tested at a wide range of Nd3 + ion concentration of up to 9 wt.%.

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