Nafion® Coated Electropolymerised Flavanone‐based pH Sensor

This work summarizes the electrochemical response of flavanone carbon composite electrodes in comparison with Nafion®-coated electrodes, for use as voltammetric pH sensors both buffered and low-buffered media. Square wave measurements suggest peak potential achieved from polymerization after electron-proton oxidation responds accuracy to solutions coated non-coated a shift 55.1 mV 54.6 per unit respectively. However, considerable improvement stability, sensitivity is provided by proton-transfer Nafion® layer CO2 bubbled sea water. Furthermore, predicted 8.04 commercial seawater, which excellent agreement measured 8.05 value.