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. 2021 Aug 9;11(43):27027–27041. doi: 10.1039/d1ra04754j

Fig. 2. Removal of Pb(ii) ions by graphene, CdO NPs and G–CdO nanocomposite: (A) effect of initial solution pH, (B) effect of adsorbent dose, (C and D) effect of Pb(ii) concentration, (E) effect of time, (F) pseudo-second order kinetic model, (G) Langmuir isotherm, and (H) effect of temperature.

Fig. 2