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Uptake properties of Eu(III) on Na-attapulgite as a function of pH, ionic strength and temperature
Eu(III) Sorption Na-attapulgite pH Ionic strength Thermodynamic data
2011/11/10
Herein, the sorption properties of Eu(III) on Na-attapulgite were performed by using batch sorption experiments under different experimental conditions, such as contact time, pH, ionic strength, humic...
Sorption of uranium(VI) on Na-attapulgite as a function of contact time, solid content, pH, ionic strength, temperature and humic acid
Attapulgite U(VI) Sorption pH Ionic strength Temperature
2011/11/10
Sorption of U(VI) from aqueous solution to Na-attapulgite was investigated at different experimental chemistry conditions by using batch technique. The attapulgite sample was characterized by FTIR and...
Sorption study of radionickel on attapulgite as a function of pH, ionic strength and temperature
Attapulgite Radionickel pH Temperature Thermodynamic data
2011/11/10
Sorption of radionickel on attapulgite is studied as a function of contact time, ionic strength, pH and temperature. The results indicate that the sorption of Ni(II) on attapulgite is strongly ionic s...
Monte Carlo Simulation of the Total Radial Distribution Function for Interlayer Water in Sodium and Potassium Montmorillonites
Adsorbed Water Montmorillonite Neutron Diffraction Water
2011/12/7
Abstract: Monte Carlo simulations based on tested water-water, cation-water, and water-clay potential functions were applied to calculate radial distribution functions for O-O, O-H and H-H spatial cor...
Bioaccumulation of metals by lichens:Uptake of aqueous uranium by Peltigera membranacea as a function of time and pH
Bioaccumulation aqueous uranium by Peltigera membranacea pH
2012/4/1
Uranium sorption experiments were carried out at ;258 C using natural samples of the lichen Peltigera membranacea. Thalli were incubated in solutions containing 100 ppm U for up to 24 h at pH values f...
Reactions of aqueous Au1+ sulfide species with pyrite as a function of pH and temperature
Reactions of aqueous Au1+ sulfide species with pyrite as a function of pH and temperature
2012/3/31
The reactivity of aqueous Au11 sulfides with FeS2 at pH 5 3 and 6 for temperatures of 25 and 908C has been investigated using X-ray photoelectron spectroscopy (XPS), scan-ning electron microscopy with...
Synthesis and Paragenesis of Na-Beidellite as a Function of Temperature, Water Pressure, and Sodium Activity
Beidellite Electron microprobe Hydrothermal synthesis Kaolinite Paragonite Pyrophyllite Scanning electron microscopy X-ray diffraction
2011/12/30
In the chemical system Na2O-Al2O3-SiO2-H2O, the stability field of Na-beidellite is presented as a function of pressure, temperature, and Na- and Si-activity. Na0.7-beidellite was hydrothermally synth...
Dehydration of Hydroxy-Interlayered Vermiculite as a Function of Time and Temperature
Dehydroxylation Hydration X-ray diffraction
2011/12/31
Nonexchangeable polymers in interlayers of expansible phyllosilicates influence thermal dehydration in ways not completely understood. Thermal dehydration of hydroxy-interlayered vermiculite (HIV) fro...
Cationic Spin Probes on Hectorite Surfaces: Demixing and Mobility as a Function of Adsorption Level
Adsorption Cation Spin Probe ESR Hectorite Organic Cation TEMPAMINE+
2012/2/9
The electron spin resonance (ESR) technique has been used to study the motion and segregation of an organic spin probe cation (4-amino-2,2,6,6-tetramethylpiperidine N-oxide) on K+-hectorite as a funct...
Dissolution of Smectites in Hydrochloric Acid: II. Dissolution Rate as a Function of Crystallochemical Composition
Crystallochemical Dissolution Hydrochloric Nontronite Smectite
2012/2/10
A correlation was made of crystallochemical data from 15 smectites with the half time of dissolution (t05) in 6 N hydrochloric acid at 96°C. From this the relation ln t05 = 3.95 − 1.96 FeVI W...
The Transference Numbers of the Counter-Ions in Montmorillonite Paste as a Function of Water Film Thickness and Electrolyte Concentration
Counter-Ions Montmorillonite Paste Electrolyte Concentration
2012/2/15
The transference numbers of the counter ions in montmorillonite paste are determined as a function of the thickness of the water film (h) and of the diffuse double layer (1/κ).From measured E.M.F. val...