Verification of the Adsorption Process of the Ligand Used in the Work of 8-hydroxyquinoline Copper

Experiments were carried out to study the rate of adsorption, A study of the rates of diffusion could verify on the type of diffusion operative in the adsorption process of ligands used in this work by the 8-hydroxyquinoline Copper(WSDTY). 500 ml of ligand solution was taken in a flask placed in a thermostat at 25±1°C. The concentration of the ligand approximated to a value of Ce in the adsorption is otherm. This was necessary to allow rapid rise of qeduring the adsorption process. 0.5 g of GAC sample was added and 5 ml sample of ligand was withdrawn after every 15 minutes in the first hour and then after every half an hour for the remaining 3 hrs by which time the fall in concentration of ligand solution almost stabilized. The agitation speed was maintained by a remi stirrer at 800 RPM. This was necessary in order to eliminate film diffusion from operating in the process. The absorbance values were measured at 350 ηm using digital spectrophotometer model.

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