fig1

Figure 1. (A) The quantity of adsorbed metals (Qt) and adsorption efficiency (%R) at pH = 8 by poly(triazole-imide); (B) effect of pH variation on the adsorption amount of Cr³⁺ cation; (C) effect of pH variation on the amount of adsorption of Cr₂O₇^2- anion. From^[90] with permission.