The Effect of Vacuum Annealing of Magnetite and Zero-Valent Iron Nanoparticles on the Removal of Aqueous Uranium

<table>(a) X-ray diffraction (XRD) spectra acquired for nano-Fe<sup>0</sup> and VA-nano-Fe<sup>0</sup> for the range 20–90° 2<i>θ</i>. (b) X-ray photoelectron spectroscopy (XPS) Fe 2p<sub>3/2</sub> photoelectron peaks for nano-Fe<sup>0</sup> and VA-nano-Fe<sup>0</sup>.</table>

Journal of Nanotechnology

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Figure 2

Figure 2: The Effect of Vacuum Annealing of Magnetite and Zero-Valent Iron Nanoparticles on the Removal of Aqueous Uranium 