Fig. 8From: Recent trends of copper detection in water samplesAnodic peak of the voltammetric curve of the gold microelectrode in electrode without Cu(II) (dashed line) and the linear sweeping voltammetry curve in HNO_3 (0.01 M) solution having 1 μm of Cu(II) at fifty mV/s scan rate (solid line) (Zhuang et al. 2011)Back to article page