Research Article

Electrodes Modification Based on Metal-Free Phthalocyanine: Example of Electrochemical Sensors for the Detection of Acetic Acid

Figure 4

CV curves of C SPE-PcH2tBu with addition of the acetic acid. Scan rate = 0.1 V/s. Inset represents the calibration curves obtained from the anodic peak current as function of the concentration.