Characterization of All Solid State Hydrogen Ion Selective Electrode Based on PVC-SR Hybrid Membranes
Abstract
:Introduction
Experimental
Reagents
Fabrication of Hydrogen Ion Selective Membrane Electrodes
Entry Number | PVCa | DOAa | TDDAa | KTpClPBb | SRa | Slope | Selectivity, logK | ||
---|---|---|---|---|---|---|---|---|---|
Na+ | K+ | Ca2+ | |||||||
1 | 33.0 | 66.0 | 1.0 | 50.0 | 0.0 | 52.2 | -10.1 | -9.9 | -11.1 |
2 | 0.0 | 21.5 | 1.0 | 50.0 | 77.0 | 59.9 | -9.7 | -9.5 | -11.3 |
3 | 31.5 | 62.0 | 1.0 | 50.0 | 5.0 | 53.9 | -10.0 | -9.7 | -11.1 |
4 | 29.0 | 59.5 | 1.0 | 50.0 | 10.0 | 55.1 | -9.8 | -9.7 | -11.1 |
5 | 26.3 | 57.2 | 1.0 | 50.0 | 15.0 | 53.8 | -10.0 | -9.8 | -11.3 |
6 | 23.5 | 51.5 | 1.0 | 50.0 | 15.0 | 49.2 | -9.8 | -10.0 | -11.4 |
Apparatus and EMF Measurements
Results and Discussion
Potentiometric Response of PVC-SR Electrodes
The Surface Morphorlogy According to SR Contents
Impedance Spectra of PVC-SR Membrane Coated Electrode
R1 (Ω) | CPE1 | CPE2 | X2d | |||
---|---|---|---|---|---|---|
Y0b (Ω-1) | n | Y0b (Ω-1) | n | |||
PVC | 4.2×104 | 9.1×10-9 | 0.84 | 1.0×10-5 | 0.67 | 4.9×10-4 |
5.0 wt % | 1.5×105 | 2.8×10-10 | 0.84 | 7.4×10-6 | 0.75 | 5.1×10-4 |
10.0 wt % | 3.5×105 | 3.3×10-10 | 0.83 | 4.6×10-6 | 0.71 | 5.7×10-4 |
15.0 wt % | 8.0×105 | 5.7×10-10 | 0.79 | 4.6×10-6 | 0.58 | 3.6×10-4 |
23.5 wt % | 2.8×106 | 3.5×10-10 | 0.83 | 2.8×10-6 | 0.55 | 4.7×10-4 |
Selectivity Coefficients and Real Sample Analysis
Conclusion
Acknowledgment
References
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Piao, M.-H.; Yoon, J.-H.; Jeon, G.; Shim, Y.-B. Characterization of All Solid State Hydrogen Ion Selective Electrode Based on PVC-SR Hybrid Membranes. Sensors 2003, 3, 192-201. https://doi.org/10.3390/s30600192
Piao M-H, Yoon J-H, Jeon G, Shim Y-B. Characterization of All Solid State Hydrogen Ion Selective Electrode Based on PVC-SR Hybrid Membranes. Sensors. 2003; 3(6):192-201. https://doi.org/10.3390/s30600192
Chicago/Turabian StylePiao, Ming-Hua, Jang-Hee Yoon, Gerok Jeon, and Yoon-Bo Shim. 2003. "Characterization of All Solid State Hydrogen Ion Selective Electrode Based on PVC-SR Hybrid Membranes" Sensors 3, no. 6: 192-201. https://doi.org/10.3390/s30600192
APA StylePiao, M.-H., Yoon, J.-H., Jeon, G., & Shim, Y.-B. (2003). Characterization of All Solid State Hydrogen Ion Selective Electrode Based on PVC-SR Hybrid Membranes. Sensors, 3(6), 192-201. https://doi.org/10.3390/s30600192