Determination of Total Mercury in Solid Samples by Anodic Stripping Voltammetry

Figure 8

Anodic stripping differential pulse voltammograms for increased concentrations of mercury spiked in solid samples: (1) blank; (2) 10 µg L⁻¹; (3) 30 µg L⁻¹; (4) 50 µg L⁻¹; (5) 100 µg L⁻¹; (6) 150 µg L⁻¹; E_dep = −0.5 V, t_dep = 40 s, sweep rate 40 mV s⁻¹, pulse amplitude 50 mV, pulse time 40 ms, and 0.05 mol L⁻¹ HCl.