Figure 2From: Effect of Nitric Acid “Washing” Procedure on Electrochemical Behavior of Carbon Nanotubes and Glassy Carbon μ-ParticlesCyclic voltammograms of a 4% treated MWCNT-GCPE, b 4% treated DWCNT-GCPE, c 4% treated glassy carbon μ-particles-included GCPE for 1 mM ferricyanide in 50 mM phosphate buffer at different scan rates (inner to outer): 0.01, 0.25, 0.05, 0.1, 0.025, 0.5 and 1 V s−1 Back to article page