| Temp. (K) | 1M HCl | HPZ(1) | MFHPZ(2) | ACPHPZ(3) | ACTHPZ(4) | ||||
| Corr. current | Corr. current | %IE | Corr. current | %IE | Corr. current | %IE | Corr. current | %IE | |
| 303 313 323 333 | 0.0215 0.0224 0.0272 0.0309 | 0.0063 0.0074 0.0103 0.0136 | 71 67 62 56 | 0.0063 0.0072 0.0109 0.0142 | 71 68 60 54 | 0.0028 0.0034 0.0054 0.0074 | 87 85 80 76 | 0.0017 0.0025 0.0046 0.0068 | 92 89 83 78 |
| Ea(KJ) | 11.5 | 21.9 | 24.5 | 28.7 | 39.8 | ||||