Figure 2. XPS of electrochemically reduced Bi2O3 in an alkaline solution at -1.4 V for 300 s with formation of Bi. The formation of Bi can be identified by the shoulders at 163 eV and 158 eV (4f5/2) and 4f7/2). With kind permission from Metrohm/DropSens

From

Stripping voltammetry with a bismuth electrode as an alternative to mercury electrode - a contribution to green chemistry

A. Habekost

World Journal of Chemical Education. 2023, 11(3), 92-96 doi:10.12691/wjce-11-3-12