Table 5 EIS parameters for painted steel at different concentrations of the synthesized nanocomposite in 3.5% NaCl solution.
Conc.a (wt%) | RS (Ω cm2) | Cdl (µF cm2) 106 | Rct (kΩ cm2) | CPEct | Rf (kΩ cm2) | CPEf | Rp (kΩ cm2) |
| |||
|---|---|---|---|---|---|---|---|---|---|---|---|
Y0 (μΩsncm-2) 10–5 | n | Y0 (μΩsncm-2) 10–7 | n | value | Standard deviation × 10–2 | ||||||
Blank | 10.15 | 447.00 | 0.428 | 59.72 | 0.78 | 0.198 | 0.626 | 1.050397 | – | ||
0 | 10.53 | 123.11 | 0.532 | 7.458 | 0.68 | 25.132 | 1325 | 0.38 | 25.664 | 17.40412 | 98.7 |
2 | 12.78 | 18.22 | 0.629 | 1.872 | 0.80 | 33.105 | 2.923 | 0.80 | 33.734 | 63.49622 | 98.9 |
4 | 11.65 | 2.31 | 61.615 | 0.4687 | 0.48 | 41.818 | 8.034 | 0.61 | 103.433 | 115.9023 | 99.5 |
6 | 13.55 | 1.45 | 152.742 | 0.2037 | 0.61 | 49.862 | 9.825 | 0.67 | 202.604 | 153.2155 | 99.8 |
8 | 14.84 | 0.91 | 234.324 | 0.1631 | 0.55 | 54.405 | 3.260 | 0.69 | 288.729 | 101.4889 | 99.9 |
(%)