fig9
Figure 9. (A) Schematic representative of regeneration−recycling process for Hg2+ removal; (B) 1H NMR spectra of (1) G, (2) The equimolar mixture of G and H, and (3) H; (C) Fluorescence spectral analysis of G⊂H, H, and G with different concentrations of Hg2+; (D) Fluorescence intensity of G⊂H in the presence of various metal ions[74]. Copyright 2019 American Chemical Society. NMR: Nuclear magnetic resonance.
