Fig. 3: Polarization curves of iron in bentonite slurries in a linear scale.
From: Anodic dissolution mechanisms of iron in bentonite slurries

Linear scale plot of potentiodynamic polarization scans for different bentonite slurries: 1.6% slurry (black line), 3.2% slurry (red line), 6.3% slurry (blue line), 9.1% slurry (magenta line).