Ultrahigh Adsorption Capacity Zirconium-Magnesium Composite Oxide Nanoclusters Remove Malachite Green from Aqueous Media

Figure 2

(a) XPS survey spectrum, (b) high-resolution spectra of Mg1s, Zr3d (c), and (d) O1s on the 2.00-ZM adsorbent surface.

(a)

(b)

(c)

(d)