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Figure 2

From: Low-cost biosorption of Fe(II) and Fe(III) from single and binary solutions using Ulva lactuca-derived cellulose nanocrystals-graphene oxide composite film

Figure 2

FT-IR spectra of (a) Graphene oxide, (b) Cellulose nanocrystals, (c) Cellulose nanocrystals/graphene oxide film, (d) Cellulose nanocrystals/graphene film after Fe(II) adsorption, (e) Cellulose nanocrystals/graphene film after Fe(III) adsorption, (f) Cellulose nanocrystals/graphene film after binary adsorption of Fe(II) and Fe(III).

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