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7 March 2019 Using carbon nanotube membrane as counter electrode in voltammetric electronic tongue system
Yazhuo Li, Xiangdong Zhou
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Proceedings Volume 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation; 110531E (2019) https://doi.org/10.1117/12.2511144
Event: 10th International Symposium on Precision Engineering Measurements and Instrumentation (ISPEMI 2018), 2018, Kunming, China
Abstract
Carbon nanotube membrane (CNTM) has been employed as the counter electrode in a two-electrode voltammetric electronic tongue system. Owing to its large surface area, CNTM provides significant double layer capacitance at the solid/solution interface, and offer a constant potential during the electrochemical detection. In order to characterize the analytical possibilities of the electronic tongue system, hydrogen peroxide has been detected. Principal component analysis (PCA) is used for identification. From the PCA plots, the electronic tongue system by using CNTM counter electrode shows much better performance and more promising than the conventional voltammetric two-electrode electronic tongue system by using large surface stainless steel counter electrode.
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Yazhuo Li and Xiangdong Zhou "Using carbon nanotube membrane as counter electrode in voltammetric electronic tongue system", Proc. SPIE 11053, Tenth International Symposium on Precision Engineering Measurements and Instrumentation, 110531E (7 March 2019); https://doi.org/10.1117/12.2511144
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KEYWORDS
Electrodes
Tongue
Capacitance
Carbon nanotubes
Principal component analysis
Polarization
Sensors
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