951604.fig.0017a
(a)
951604.fig.0017b
(b)
951604.fig.0017c
(c)
Figure 17: Absorbance as a function of potential at fixed values in NaClO4 + HClO4 at different pH values: (a) 340 nm, (b) 450 nm, and (c) 750 nm. The arrows indicate the potential scan direction: (- - - -) pH = 1.0 and (—) pH = 1.5. Sweep rate 0.01 V s−1 [57].