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. 2021 Nov 11;11(58):36528–36553. doi: 10.1039/d1ra06892j

Fig. 4. Effect of contact time on the adsorption of (a) bromothymol blue dye on polyvinyl alcohol adsorbent, adapted with permission from ref. 49, copyright, Elsevier, 2016, and (b) Fe3+ on graphene oxide aerogel adsorbent, adapted with permission from ref. 50, copyright, Elsevier, 2019.

Fig. 4