Chemistry Letters, Vol.43, No.8, 1281-1283, 2014
Uptake and Electrochemical Ejection of Cesium Ion by a Prussian Blue-modified Electrode
Prussian blue (Fe(III)4[Fe-II(CN)(6)]3) electrochemically deposited on an indium tin oxide electrode was loaded with cesium ion in a diluted aqueous CsCl solution (ca. 40 ppb) followed by reduction or oxidation. Although reduction of Prussian blue does not increase the capacity of cesium uptake, oxidation of Prussian blue releases the entrapped cesium ion.