Fast Determination of Auramine O in Food by Adsorptive Stripping Voltammetry

Figure 2

Cyclic voltammogram at scan rate 50 mV·s⁻¹ and E_acc = 0 V of (1) blank sample (pH = 5.0, t_acc = 0 s); (2) 10⁻⁶ mol·L⁻¹ AO solution (pH = 5.0, t_acc = 0 s); (3) 10⁻⁶ mol·L⁻¹ AO solution (pH = 5.0, t_acc = 30 s).