Gold–Copper Film Electrode for Voltammetry Determination of Mercury in Water

Table 5

Effect of deposition time on the of Hg at Au-CuF/CPE.

(s)	160	170	180	190	200	210	220	230
(μA)	3.60	3.74	3.81	3.93	4.01	4.17	4.21	4.28
RSD (%, )	6.8	3.9	0.7	1.5	0.4	0.9	1.2	0.8

Conditions:  μg/L,  M,  mg/L,  mg/L;  mV; other conditions as in Figure 1.