Fig. 1: Cyclic voltammogram of Pt wire in a FLiNaK salt at 600°C.
From: Insights on the corrosion thermodynamics of chromium in molten LiF-NaF-KF eutectic salts

(a) shows the cyclic voltammogram before and after the addition of (b) 1.0 wt% and (c) 0.42 wt% of CrF3 at 600 °C. a, b indicate the equilibrium potential of KF reduction (EKF/K). The red dotted lines in (b) and (c) show the approximate experimentally determined equilibrium redox potential of Cr/Cr2+ redox couples (ECr/Cr2+).