Figure 2

Effect of pH for adsorption of (a) Au (III) and (b) Au (I) into the capsule (C0 = 1000 mg/L, pH = 1–12, t = 24 h, Mads/Vsol = 0.4 g/30 mL, T = 25 ± 2 °C).
Effect of pH for adsorption of (a) Au (III) and (b) Au (I) into the capsule (C0 = 1000 mg/L, pH = 1–12, t = 24 h, Mads/Vsol = 0.4 g/30 mL, T = 25 ± 2 °C).