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Preparation and Characterization of Reduced-Charge Hectorites
Alkylammonium exchange Cation exchange capacity Dehydroxylation Deprotonation Fluorescence Infrared spectroscopy Quinotine Surface acidity Thermogravimetry
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2011/12/31
A series of reduced-charge (RC) hectorites were prepared by multiple heat (250°C) treatments of Mg-saturated hectorites (SHCa-1). Cation exchange capacity (CEC) measurements and alkylammonium exchange...
Infrared Spectroscopic Study of Adsorbed Water on Reduced-Charge Na/Li-Montmorillonites
Cation-exchange capacity Infrared spectroscopy Montmorillonite Reduced charge Water adsorption
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2011/11/23
Abstract: Infrared (IR) spectra in the fundamental and near-IR regions were obtained for Na-saturated Wyoming montmorillonite and reduced-charge Na/Li-saturated. Wyoming montmorillonites hydrated unde...
Properties of Reduced Charge Montmorillonites: Hydrated Cu(II) Ions as a Spectroscopic Probe
Montmorillonites Hydrated Cu(II) Ions Spectroscopic Probe
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2011/11/18
Abstract: A series of Cu(II) reduced charge montmorillonites (RCM) of varying charge reduction has been prepared by exchange of the parent Li(I)-Na(I) mineral with CuCl2 in 95 per cent ethanol solutio...
Properties of Reduced Charge Montmorillonite: Tetra-Alkylammonium Ion Exchange Forms
Montmorillonite Tetra-Alkylammonium Ion Exchange Forms
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2012/2/15
Surface properties of reduced charge montmorillonites (RCM) whose exchange capacities were saturated with tetra-alkylammonium cations, were studied with X-ray diffraction, nitrogen, and water adsorpti...