Fig. 10From: Efficiently Visible-Light Driven Photoelectrocatalytic Oxidation of As(III) at Low Positive Biasing Using Pt/TiO2 Nanotube Electrode a Effect of initial pH on photoelectrocatalytic system; b comparison of pH under photocatalytic process and photoelectrocatalytic process (applied 1.2 V) with same initial 7.0 pH and 3.4 mg/L As(III)Back to article page