Figure 6
From: A chitosan fiber as green material for removing Cr(VI) ions and Cu(II) ions pollutants

(a) CS SEM images before and (b) after the reactionwith Cr(VI) ionsand (c) with Cu(II) ions.
From: A chitosan fiber as green material for removing Cr(VI) ions and Cu(II) ions pollutants
(a) CS SEM images before and (b) after the reactionwith Cr(VI) ionsand (c) with Cu(II) ions.