Figure 14. CV (black) and absorption (red) of a solution of K3[Fe(CN)6] and Fe(III) salt. SPE: ITO

From

Combining Optical and Raman Spectroscopy with Electrochemistry: The Ferricyanide and Ferrocyanide System - Experiments for Undergraduates

A. Habekost

World Journal of Chemical Education. 2024, 12(1), 30-38 doi:10.12691/wjce-12-1-5