Electrochemical Study of Carbon Nanotubes/Nanohybrids for Determination of Metal Species Cu²⁺ and Pb²⁺ in Water Samples

Figure 1

Analysis of electrochemical sweep microscopy of electrode surface (a) GC/CNT; (b) GC/CNT/Bi; and (c) GC/CNT/Hg.

(a)

(b)

(c)