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(a) CVs recorded at a GRiME at a range of sweep rates in a solution of 5 mmol/L Fe(CN)63− and 1 mmol/L KCl, pH 2. The starting potential was +0.3 V vs. SCE scanning in the positive direction at onset. The solution was deoxygenated using an N2 stream for 10 min prior to data acquisition. (b) anodic and cathodic peak currents of Figure 8(a) plotted as a function of the square root of the scan rate. (c) 3,000 scan overlay recorded at 500mV/s.
