Figure 4From: Effect of Nitric Acid “Washing” Procedure on Electrochemical Behavior of Carbon Nanotubes and Glassy Carbon μ-ParticlesRaman spectra of A a untreated DWCNT, b treated DWCNT; B a untreated GC μ-particle, b treated GC μ-particle, C a untreated MWCNT, b treated MWCNTBack to article page