Fabrication of a Fundamental Electrochemical Measurement System for an Electrochemical Sensor

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A fundamental electrochemical measurement system for an electrochemical sensor was built using a microcomputer control. It is crucial that the electrochemical sensor results can be used for both qualitative and quantitative analysis. These fundamental data are estimated by cyclovoltammetry (CV) and chronoamperometry (CA) measurements, which are major measurement methods in the electrochemical engineering field. The CV measurement function has already been built in our previous study and its functionality was confirmed to be nearly identical to that of a commercially available potentiostat. The CA measurement function was implemented in this study to allow our system to perform quantitative analysis of substances. Further, we started fabricating working electrodes. Therefore, we learned how to construct a high-performance and low cost self-made electrochemical sensor.