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Formation of Highly Selective Cesium-Exchange Sites in Montmorillonites
Cation exchange Cation selectivity Cesium Hofmann-Klemen effect Montmorillonite Wetting-drying
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2012/2/1
Ion-exchange sites with very high selectivity for Cs ( ΔG Ca 2+ Cs + = 40 kJ/eq) similar to illite were generated in a controlled way in montmorillonites by (1) repeated wetting-drying cycles and by (...
Origin and Position of Exchange Sites in Kaolinite: An ESR Study
Origin Position Exchange Sites Kaolinite ESR
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2012/2/13
Electron spin resonance (ESR) spectroscopy is used to investigate the nature of exchange sites on kaolinite. ESR spectra of exchangeable Cu2+ and Mn2+ on kaolinite indicate that divalent exchange ions...