Molecular Sieving Film Prepared by Vacuum Filtration for the Efficient Removal of Tetracycline Antibiotics from Pharmaceutical Wastewater

Figure 13

XPS spectra of different samples: (a)–(c) ZIF-8/GO powder; (d)–(f) TC-ZIF-8/GO powder.

(a)

(b)

(c)

(d)

(e)

(f)