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. 2021 May 27;413(18):4673–4680. doi: 10.1007/s00216-021-03404-6

Fig. 3.

Fig. 3

A Side and B top view of the electrochemical cell arrangement. C Size comparison and D representative clean cyclic voltammogram for a miniature gold electrode. CV parameters: in 0.5 M H2SO4, from 0.2 to 1.6 V vs. Ag/AgCl (3 M KCl) at 50 mV/s