Fig. 5From: Voltammetric analysis of pholcodine on graphene-modified GNPs/PTs with green assessmentEffect of different scan rates (50, 75, 100, 125, 150, and 174 mV/s) by CV a current (µA) vs. SQR of scan rate, b current logarithm vs. scan rate logarithm, c potential applied vs. scan rate, and d potential applied vs. scan rate logarithmBack to article page