Abstract
Adsorption of surfactants on solids from aqueous suspensions is an important interfacial phenomenon, with many industrial applications. Adsorption isotherms are often used to monitor surface properties of solids in suspensions. Many of these applications, however, involve suspensions of varying solid/liquid ratios, and sometimes mixing, causing dilution with possible desorption as well. Experiments to estimate the adsorbed amount from the final concentrations at every different solid/liquid ratio are unnecessarily tedious. An alternative graphical technique is presented here to accomplish the same from experiments conducted at only a few solid/liquid ratios. The results from the graphical method agree well with experimental values.
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