Competitive Adsorption of Metals onto Magnetic Graphene Oxide: Comparison with Other Carbonaceous Adsorbents

Figure 2

The XRD patterns (a), the Raman spectra (b), and the FT-IR spectra (c) of bare GO, the magnetic GO (GO/Fe₃O₄), and Fe₃O₄.

(a)

(b)

(c)