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Morphology, Texture, and Microstructure of Halloysitic Soil Clays as Related to Weathering and Exchangeable Cation
Exchangeable cation Halloysite Interstratification Microstructure Smectite TEM
2011/12/31
This paper aims at characterizing the morphology, texture, and microstructure of three hydrated kaolin rich clays (f < 0.2 µm) from volcanic soils. These clays represent a weathering sequence in...
Effects of Exchangeable Cation Composition on the Thermal Expansion/Contraction of Clinoptilolite
Clinoptilolite Dehydration Exchangeable cation Thermal expansion X-ray powder diffraction Zeolite
2012/2/6
To understand and predict the effects of a thermal pulse induced by a radioactive waste repository on clinoptilolite-bearing rocks, the lattice parameters of 6 natural and 3 cation-exchanged (Ca, K, N...
Influence of Exchangeable Cation Composition on the Size and Shape of Montmorillonite Particles in Dilute Suspension
Exchange cations Light transmission Montmorillonite Particle size Tactoid Viscosity
2011/11/23
Abstract: Viscosity and light-transmission measurements of dilute suspensions of montmorillonites having different exchangeable cations were used to calculate relative particle sizes as a function of ...
Acetamide and Polyacrylamide Adsorption onto Clays: Influence of the Exchangeable Cation and the Salinity of the Medium
Acetamide Adsorption Montmorillonite Polyacrylamide Saline Media
2012/2/10
The adsorption of acetamide and partly hydrolyzed polyacrylamides onto montmorillonite has been investigated with emphasis on the valency of the exchangeable cation of the clay and the ionic strength ...
Exchangeable Cation—Structural Parameter Relationships in Montmorillonite
Structural Parameter Relationships Montmorillonite Exchangeable Cation
2012/2/15
The interaction between “unhydrated” cations (those not separated from the surface by a solvent sheath) in hole positions and the montmorillonite surface was analyzed theoretically by considering the ...
Exchangeable Cation Distribution in Nickel- and Magnesium- Vermiculites
Exchangeable Cation Distribution Magnesium- Vermiculites
2012/2/15
Abnormal scatterings of X-rays take place between Bragg spots. Their study in hydrated Mg- and Ni-vermiculites shows that they appear in reciprocal space in the form of modulated lines, elongated alon...
Surface Acidity of Smectites in Relation to Hydration, Exchangeable Cation, and Structure
Surface Acidity Smectites Hydration Exchangeable Cation Structure
2012/2/21
Equilibrium studies on clay films exposed to NH3 and H2O vapors demonstrate the effect of exchangeable cations on surface acidity and its relationship to hydration. At a relative humidity of 98 per ce...