Adsorption Equilibria of Copper on Octadecylsilica Gel in the Presence of Acetylacetone

Abstract The solid-liquid adsorption equilibria of copper with acetylacetone between octadecyl-bonded silica (ODS) gel and aqueous solution were investigated by a batch method at 298±1 K. It is found that a 1 : 1 complex of copper with acetylacetone is adsorbed on the gel surface.