Fig. 9From: Adsorptive Removal of Copper (II) Ions from Aqueous Solution Using a Magnetite Nano-Adsorbent from Mill Scale Waste: Synthesis, Characterization, Adsorption and Kinetic Modelling StudiesZeta potential for pH values of 1, 2, 4, 6, 8, 10, and 12 for MNA-7 hBack to article page