Abstract
AbstractAn adsorption study of gelatin was performed from its aqueous solution onto the Fuller's earth surfaces at room temperature. The dynamics of the adsorption process were followed spectrophotometrically; and various adsorption and kinetic parameters, such as adsorption coefficient, rate constants for adsorption and desorption, and penetration rate constant, were evaluated. The adsorption was found to vary sensitively with pH variation and show minima in both the media, that is, in acidic and basic. It was also observed that the presence of anions reversed their impact on adsorbed amount at their high concentration. The effect of cations and temperature were also investigated. © 2005 Wiley Periodicals, Inc. J Appl Polym Sci 98: 42–52, 2005
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