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

Table 2

Effect of acid types in electrolytic solutions on the of Hg at Au-CuF/CPE.

Acid types	10^-3 M HCl	10^-3 M HNO3	10^-3 M HClO4
(μA)	1.49	4.05	4.29
RSD (%, )	1.2	6.9	2.1

Conditions:  mg/L;  mg/L; other conditions as in Figure 1.