The Effect of Vacuum Annealing of Magnetite and Zero-Valent Iron Nanoparticles on the Removal of Aqueous Uranium
Figure 3
(a) X-ray diffraction (XRD) spectra acquired for nano-Fe3O4 and VA-Fe3O4 for the range 20–90° 2θ. (b) X-ray photoelectron spectroscopy (XPS) Fe 2p3/2 photoelectron peaks for nano-Fe3O4 and VA-Fe3O4.