Fig. 4From: Catalytic oxidation of arsenite and reaction pathways on the surface of CuO nanoparticles at a wide range of pHsData of individual As K-edge XANES spectra in the range from 11840 eV to 11920 eV as a function of time. Solution As(III) and As(V) was used to LCF of XANES spectra that was shown in Additional file 1: Fig. S7Back to article page