Table 2 EIS parameters and inhibition efficiency of CS in SFW as a function of avocado extract concentrations at 298 K.
Avocado extract (mg L−1) | R1 (Ω cm2) | Q1 (µF cm−2) | R2 (Ω cm2) | Q2 (µF cm−2) | χ2 | ER% |
|---|---|---|---|---|---|---|
Blank | 312 ± 3.2 | 64.7 ± 2.8 | 15.8 ± 1.7 | 45.0 ± 1.1 | 2.2 × 10−4 | - |
20 | 489 ± 4.7 | 52.8 ± 2.9 | 22.5 ± 1.8 | 44.2 ± 1.2 | 2.9 × 10−4 | 36.2 |
40 | 772 ± 5.3 | 50.9 ± 1.9 | 25.3 ± 1.8 | 39.9 ± 1.0 | 3.2 × 10−4 | 59.5 |
60 | 1123 ± 8.4 | 43.9 ± 2.0 | 31.5 ± 2.1 | 37.2 ± 1.3 | 1.9 × 10−4 | 72.2 |
80 | 1567 ± 12.4 | 32.2 ± 1.3 | 33.2 ± 2.1 | 31.0 ± 1.4 | 3.7 × 10−4 | 80.0 |
100 | 2492 ± 15.8 | 10.7 ± 0.9 | 38.6 ± 2.6 | 28.9 ± 0.7 | 1.7 × 10−4 | 92.4 |