Polymeric Foams as the Matrix of Voltammetric Sensors for the Detection of Catechol, Hydroquinone, and Their Mixtures

Figure 3

(a) Nyquist and (b) impedance Bode plot and (c) phase Bode plot of PMMA_G film and PMMA_F_G in 0.1 M KCl. Frequency swept from 31,600 Hz to 0.1 Hz at 0 V in a 0.1 M KCl solution.

(a)

(b)

(c)