Research Article
pH Sensitivity Estimation in Potentiometric Metal Oxide pH Sensors Using the Principle of Invariance
Figure 4
Absolute sensitivity against C1 capacitance for (a) TiO2, Ns: 12.5, εs: 35, (b) Ta2O5, Ns: 10, εs: 25, (c) Ta2O5, Ns: 12, εs: 25, and (d) Al2O3, Ns: 12.04, εs: 10.43. The electrolyte is KCl for all cases.
| (a) |
| (b) |
| (c) |
| (d) |