Fig. 2
From: Adsorption of hazardous Cr(VI) on CoMnZnO nanomaterials: experimental and statistical approach

Adsorption properties of the CoMnZnONs (a) Cr(VI) dose optimization, (b) contact time optimization, and (c) pH.
From: Adsorption of hazardous Cr(VI) on CoMnZnO nanomaterials: experimental and statistical approach

Adsorption properties of the CoMnZnONs (a) Cr(VI) dose optimization, (b) contact time optimization, and (c) pH.