Study on the Adsorption Mechanism of Graphene Oxide by Calcareous Sand in South China Sea

Figure 5

FT-IR spectra of GO, calcareous sand, and calcareous sand/GO (a); XRD patterns of GO, calcareous sand, and calcareous sand/GO (b); and Raman spectra of GO and calcareous sand/GO (c).

(a)

(b)

(c)