Figure 2. Levich plot of the disk current at −1.2 V. The linear fit passing close to the origin confirms diffusion control (R² = 0.989)

From

Seeing the Two- and Four-Electron Pathways of Oxygen Reduction: A Rotating Ring–Disk Electrode Experiment for the Advanced Curriculum in Electrochemistry

Achim Habekost

World Journal of Analytical Chemistry. 2026, 11(1), 27-34 doi:10.12691/wjac-11-1-4