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CONTRIBUTION TO THE STUDY OF SEPIOLITE:III.THE DEHYDRATION PROCESS AND THE TYPES OF WATER MOLECULES
SEPIOLITE TYPES OF WATER MOLECULES DEHYDRATION PROCESS
2011/11/15
A detailed study has been made of the dehydration of sepiolite. This work, together with other studies of dehydration in vacuo and over phosphoric anhydride, rehydration of samples heated to various t...
Preparation, Characterization and Properties of Crosslinked Chitosan/Palygorskite Resin with Tannic Acid as Template Molecules
Chitosan (CS) Palygorskite Resin Tannic Acid Template
2011/11/14
The chitosan/palygorskite resins with tannic acid (TA) as template molecules (CPRT) were prepared by emulsion cross-linking technology. Palygorskite (PAL), a kind of natural one-dimensional clay, work...
Sorption of Selected Cationic and Neutral Organic Molecules on Palygorskite and Sepiolite
15 Crown Ether 5 Crystal Violet Methylene Blue Palygorskite Sepiolite Sorption Modeling Triton-X 100
2011/12/2
Abstract: Palygorskite and sepiolite show a high sorption capacity for organic molecules. Adsorption of 2 organic cations, methylene blue (MB) and crystal violet (CV), by palygorskite and sepiolite we...
NMR Study of Dynamics and Evolution of Guest Molecules in Kaolinite/Dimethyl Sulfoxide Intercalation Compound
2H NMR 13C NMR Dimethyl Sulfoxide Intercalation Compound Kaolinite Layered Silicate
2011/12/22
Abstract: Motion of the guest molecules in kaolinite/dimethyl sulfoxide (DMSO) intercalation compounds Al2Si2O5(OH)4?CH3)2SO has been studied by means of solid-state nuclear magnetic resonance (NMR) i...
Mobility of Small Molecules in Interlayers of Hectorite Gels: ESR Study with an Uncharged Spin Probe
ESR Hectorite Molecular mobility
2011/12/29
Electron spin resonance (ESR) spectroscopy was used to measure the rotational mobility of an uncharged nitroxide spin probe (4-hydroxy-2,2,6,6-tetramethyl-piperidinyloxy) in hectorite gels of variable...
Deuterium Nuclear Magnetic Resonance Studies of Water Molecules Restrained by their Proximity to a Clay Surface
Nuclear magnetic resonance Orientation Quadrupolar splitting Smectite Surface acidity Water
2012/1/6
Observation of quadrupolar splittings for 2H and 17O nuclei from D2O solvent molecules in suspensions of the Ecca Gum BP bentonite points unambiguously to the ordering of water molecules with respect ...
A Note on the Adsorption of Organic Molecules on Clays
Adsorption Attapulgite Organophilic Parathion Reduced Concentration
2012/2/10
Results of adsorption studies of several pesticides on soils and clays show that the application of the reduced concentration concept to adsorption can either reduce the temperature effect on the isot...
A NOTE ON THE ADSORPTION OF ORGANIC MOLECULES ON CLAYS
Adsorption Attapulgite Organophilic Parathion Reduced Concentration
2011/11/15
Results of adsorption studies of several pesticides on soils and clays show that the application of the reduced concentration concept to adsorption can either reduce the temperature effect on the isot...
Adsorbed Molecules on Solvated Layer Silicates: Surface Mobility and Orientation from ESR Studies
Adsorbed Molecules Solvated Layer Silicates Surface Mobility Orientation
2011/11/18
Abstract: The adsorption of nitroxide spin probes on smectites solvated in liquids of greatly different polarity was studied using electron spin resonance (ESR) spectroscopy. Adsorbed probes demonstra...