Functionalized Glutathione on Chitosan-Genipin Cross-Linked Beads Used for the Removal of Trace Metals from Water

Figure 5

Effect of the initial pH (a), the temperature (b), the contact time (c), and the initial concentration of metal ions in solution (d) on the adsorption capacity of CS-GG beads for Fe(II) and Cu(II). The error bars represent the standard deviation of measurements for three sample runs (n = 3).

(a)

(b)

(c)

(d)