Fig. 3From: Natural Dissociation Ratio of Carboxyl Group Controlled Highly Dispersed Silver Nanoparticles on PSA Microspheres and Their Catalytic PerformancePlot of the real part of the AC impedance of a typical PSA suspension against log(d/a − 1) for frequencies f = 196.8, 508, 1000, and 1968 Hz, respectivelyBack to article page