DISSERTATION
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Results and Discussion<br />
Figure 3.4. a) EIS and b) CV of a clean 2 mm diameter gold electrode performed in<br />
K3[Fe(CN)6]/K3[Fe(CN)6] (5 mM each) in 10 mM phosphate buffer (PB), 20 mM K2SO4.<br />
EIS measurements were performed by applying a DC potential of 220 mV superimposed<br />
by a 5 mV AC perturbation. The frequency range was scanned from 30 kHz to 10 mHz.<br />
CV was performed at 100 mV/s scan rate.<br />
3.1 Importance of preparing the surface. Criteria for cleanliness 33
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