Fig. 3From: Catalytic oxidation of arsenite and reaction pathways on the surface of CuO nanoparticles at a wide range of pHsEffect of initial As(III) concentrations added on adsorption and oxidation of As(III) onto CuO NPs surfaces at pH 8 (a) and 11 (b) with 1 g L−1 CuO NPsBack to article page