Impedance parameters of Q235 steel at 298K in neutral cleaning agents containing different concentrations (5%, 10%, 15% and 20%)
| C(%) | RS (Ω cm2) | Rf (Ω cm2) | Rct (Ω cm2) | Cf (μF cm−2) | n1 | Cdl (μF cm−2) | n2 |
|---|---|---|---|---|---|---|---|
| 5% | 5,061 | 7.329 × 104 | 2.287 × 104 | 6.055 × 10−5 | 0.8708 | 3.932 × 10−4 | 1 |
| 10% | 0.03486 | 3,055 | 1.066 × 105 | 4.878 × 10−10 | 0.8019 | 7.949 × 10−5 | 0.8505 |
| 15% | 2,165 | 5.741 × 104 | 2.209 × 104 | 7.085 × 10−5 | 0.8822 | 3.433 × 10−4 | 1 |
| 20% | 1,827 | 3.385 × 104 | 9,716 | 9.806 × 10−5 | 0.8762 | 1.119 × 10−3 | 1 |
| C(%) | RS (Ω cm2) | Rf (Ω cm2) | Rct (Ω cm2) | Cf (μF cm−2) | n1 | Cdl (μF cm−2) | n2 |
|---|---|---|---|---|---|---|---|
| 5% | 5,061 | 7.329 × 104 | 2.287 × 104 | 6.055 × 10−5 | 0.8708 | 3.932 × 10−4 | 1 |
| 10% | 0.03486 | 3,055 | 1.066 × 105 | 4.878 × 10−10 | 0.8019 | 7.949 × 10−5 | 0.8505 |
| 15% | 2,165 | 5.741 × 104 | 2.209 × 104 | 7.085 × 10−5 | 0.8822 | 3.433 × 10−4 | 1 |
| 20% | 1,827 | 3.385 × 104 | 9,716 | 9.806 × 10−5 | 0.8762 | 1.119 × 10−3 | 1 |
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