Fig. 5From: Adsorption behavior of Cr(VI) by biomass-based adsorbent functionalized with deep eutectic solvents (DESs)a Webber–Morris intraparticle diffusion model for adsorption of Cr(VI) ion at different initial concentrations; b Boyd film diffusion model for adsorption of Cr(VI) ion at different initial concentrationsBack to article page