Table 3. Tafel Polarization Parameters Obtained at Different SFA Concentrations.
| conc. (ppm) | –Ecorr (mV, Ag/AgCl) | Icorr (μA cm–2) | ba (mV dec–1) | –bc (mV dec–1) | μP (%) | RP (Ω cm2) | μPR (%) |
|---|---|---|---|---|---|---|---|
| blank | 440 | 1546 | 119 | 172 | 19.81 | ||
| 9 | 468 | 242.6 | 100 | 167 | 84.3 | 112.7 | 82.4 |
| 18 | 479 | 87.8 | 84 | 140 | 94.3 | 260.4 | 92.3 |
| 27 | 480 | 71.5 | 87 | 139 | 95.3 | 326.3 | 93.9 |
| 36 | 503 | 64.5 | 106 | 141 | 95.9 | 408.9 | 95.1 |