Research Article
pH Sensitivity Estimation in Potentiometric Metal Oxide pH Sensors Using the Principle of Invariance
Figure 5
Absolute sensitivity against C1 capacitance for (a) RuO2, Ns: 12.642 (rutile: unhydrated), εs: 55.23, (b) RuO2, Ns: 17.642 (rutile: hydrated), εs: 55.23, (c) TiO2 (rutile), Ns: 2.7, εs: 80, and (d) TiO2, Ns: 5 (rutile), εs: 80. The electrolyte is KCl for all cases.
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| (b) |
| (c) |
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