Adsorption Studies on Clay Minerals. V. Montmorillonite-Cesium-Strontium at Several Temperatures

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Abstract
Ion‐exchange equilibria for the pair cesium‐strontium between aqueous chloride solutions and a montmorillonite clay have been studied in the temperature range 5°—75°. Data from chromatographic elution experiments have been found to be unreliable because of nonequilibrium effects, and a method independent of rate behavior has been applied. From the data obtained, equilibrium constants, solid‐phase activity coefficients, heat content and entropy changes for the reaction have been evaluated.