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. 2019 Feb 12;14(2):e0211713. doi: 10.1371/journal.pone.0211713

Fig 4. FTIR spectra of adsorbents.

Fig 4

(a) Raw CAC (b) ZnAc2–CAC (c) Na2CO3–CAC (d) CuSO4–CAC (e) KOH–CAC (f) KI-CAC.