Research Article

Adsorption of Chromium (VI) by Cu (I)-MOF in Water: Optimization, Kinetics, and Thermodynamics

Figure 6

(a) Full-scan XPS spectra of Cu (I)-MOF before and after Cr (VI) adsorption. (b) High-resolution XPS spectra of Cr 2p after adsorption.
(a)
(b)