Abstract

AbstractA gas chromatographic technique of elution by characteristic point has been used to study water adsorption on ketotifen fumarate in the temperature range 343-383 K. The entropy of adsorption, 50.10 kJ mol−1, indicates a specific interaction between water and ketotifen fumarate. The isosteric heats of adsorption were viewed as a function of surface coverage, with the results indicating a strong adsorbate-adsorbate interaction.

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