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

Figure 1

Transmission electron microscopy (TEM) images of nano-Fe⁰ (a), VA-nano-Fe⁰ (c), nano-Fe₃O₄ (b), and VA-nano-Fe₃O₄ (d).

(a)

(b)

(c)

(d)