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. 2023 Mar 20;28(6):2798. doi: 10.3390/molecules28062798

Figure 18.

Figure 18

(A) Illustration with the Pd(II)-imprinted CS fibers by double ECH cross-linking. (Reproduced with permission from Ref. [178]). (B) The effect of equilibrium pH on the sorption of metal ions by non-imprinted (NIF) and Pd(II)-imprinted (IIF) CS fibers. (Reproduced with permission from Ref. [179]. Copyright 2015 Elsevier) Column adsorption (C) and desorption (D) of Pd(II), Co(II), Ni(II), Cu(II), and Pt(IV) from hydrometallurgy wastewater onto the Pd(II)-imprinted CS fibers. (Reproduced with permission from Ref. [180]. Copyright 2020 Elsevier).