Journal of Nanomaterials / 2013 / Article / Fig 7

Research Article

Efficient Removal of Cr(VI) with Fe/Mn Mixed Metal Oxide Nanocomposites Synthesized by a Grinding Method

Figure 7

XPS spectra of Fe/Mn mixed metal oxides (a) before and (b) after adsorption of Cr(VI).
514917.fig.007a
(a)
514917.fig.007b
(b)
514917.fig.007c
(c)