Equivalent circuit parameters for the impedance of zinc electrode immersed in buffers solutions of pH 9.8 and 9.2 at different temperatures.
| T (°C) | W (kΩ s0.5 cm2) | R ct (kΩ cm2) | C dl (μF cm−2) | R f (kΩ cm2) | C f (μF cm−2) | n | R s (Ω cm2) |
|---|---|---|---|---|---|---|---|
| pH 9.8 | |||||||
| 5 | 2.180 | 1.050 | 0.12 | 13.47 | 5.29 | 0.862 | 16.51 |
| 15 | 4.020 | 0.827 | 0.17 | 9.62 | 5.84 | 0.846 | 13.78 |
| 25 | 5.070 | 0.580 | 0.21 | 7.51 | 7.84 | 0.883 | 13.39 |
| 35 | 17.55 | 0.012 | 9.24 | 0.11 | 17.24 | 0.593 | 12.08 |
| 45 | 23.22 | 0.008 | 16.2 | 0.10 | 20.77 | 0.566 | 11.58 |
| pH 9.2 | |||||||
| 5 | 0.282 | 81.65 | 2.42 | 1.018 | 5.19 | 0.859 | 11.35 |
| 15 | 0.378 | 70.53 | 3.49 | 0.899 | 5.78 | 0.824 | 13.82 |
| 25 | 0.894 | 0.012 | 5.35 | 0.156 | 8.91 | 0.762 | 8.73 |
| 35 | 0.182 | 0.024 | 2.7 | 0.296 | 9.74 | 0.683 | 6.09 |
| 45 | 0.271 | 0.048 | 2.42 | 0.595 | 10.57 | 0.816 | 12.1 |