Table 2 Parameters derived from the anodic potentiostatic tests for 6.3% wt bentonite slurry carried out as a function of time
From: Anodic dissolution mechanisms of iron in bentonite slurries
Polarization time | Rs-start, Ω | Rs-finish, Ω | Gel pH | Slurry pH | Mass change, g | Q (Integrated charge), C |
|---|---|---|---|---|---|---|
2 h | 130 | 111 | 5.0 ± 0.5 | 9.5 ± 0.5 | 1.56 | 12.93 |
3 h | 138 | 88 | 5.0 ± 0.5 | 9.5 ± 0.5 | 2.09 | 19.13 |
4 h | 104 | 62 | 5.0 ± 0.5 | 9.5 ± 0.5 | 2.44 | 34.52 |
6 h | 100 | 60 | 5.5 ± 0.5 | 9.5 ± 0.5 | 3.85 | 61.64 |
98 | 60 | 5.5 ± 0.5 | 9.5 ± 0.5 | 3.50 | 57.92 |
