Fig. 6From: Catalytic oxidation of arsenite and reaction pathways on the surface of CuO nanoparticles at a wide range of pHsEPR spectra of CuO NPs suspension in the presence of TEMP without As(III) (a) and with the addition of As (III) at pH 11.0 (b); EPR spectra of CuO NPs suspension in the presence of TEMP after the reaction with and without NaN3 (c) and in the presence of DMPO and BMPO (d) without As(III) at pH 11Back to article page