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Identification of Multiple Cs+ Adsorption Sites in a Hydroxy-interlayered Vermiculite-like Layered Silicate through 133Cs MAS NMR Analysis

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133Cs magic angle spinning nuclear magnetic resonance (MAS NMR) spectroscopy revealed two Cs sites in Csadsorbed aluminium altered phlogopite (Cs Al-Phl), but only one site for Cs-adsorbed magnesium altered phlogopite (Cs Mg-Phl). Cesium ions in hydroxyl interlayered vermiculitelike
layered silicate reside at sites in both mica zones and in interlayer wedge zones of Al-Phl. It is likely that chemical exchange of Cs+ ions occurs between these two zones.

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  • 14/10/2016
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  • Accepted manuscript
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