Table 3 Polarization parameters of 316SS in 5.0 M HCl solution with and without LAE extract at 298 K under dynamic conditions.
LAE extract (mg L− 1) | -Ecorr mV (SCE) M ± SD | jcorr. µA cm− 2 M ± SD | βa (mV dec− 1) | -βc (mV dec− 1) | ηj% |
---|---|---|---|---|---|
Blank 50 100 150 200 250 300 | 266 ± 2.2 253 ± 2.0 245 ± 2.1 228 ± 1.8 217 ± 1.3 193 ± 1.2 185 ± 1.4 | 545.00 ± 3.2 423.47 ± 3.0 356.43 ± 2.4 263.24 ± 2.6 122.08 ± 1.9 58.32 ± 1.2 30.97 ± 1.1 | 79 73 71 71 69 64 63 | 124 121 121 118 114 113 108 | - 22.3 34.6 51.7 77.6 89.3 94.3 |