fig2
Figure 2. The FTIR spectrum and XPS spectra of AC and MACs. (A) The FTIR spectrum of AC and MACs; (B) The full-scan survey spectra of MACs; (C) The C 1s spectra of 140MAC24; (D) The O 1s spectra of 140MAC24; (E) The Fe 2p3/2 spectra of 140MAC24; (F) The Co 2p3/2 spectra of 140MAC24. FTIR: Fourier transform infrared spectroscopy; XPS: X-ray photoelectron spectroscopy; AC: activated carbon; MACs: modified activated carbons.
