Synthesis of CoFe₂O₄/Graphene Oxide-Grafted Tetraethylenepentamine for Removal of Cr (VI) from Aqueous Solution

Figure 3

(a, b) N₂ adsorption-desorption curves and the pore size distribution curve of TGOM; (c) magnetization curve of TGOM; (d) zeta potential of TGOM.

(a)

(b)

(c)

(d)