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On the theoretical calculations of oxygen isotope fractionation factors for carbonate-water systems
oxygen isotope fractionation factor carbonate-water system theoretical calculation
2017/4/12
Theoretical and experimental aspects of oxygen isotope fractionation in carbonate minerals are critically examined
based on a direct comparison of fractionation factors for carbonate-water systems. T...
Modelling Mountainous Water Systems Between Learning and Speculating Looking for Challenges
Mountainous Water Systems Learning and Speculating Challenges
2009/10/22
For many years considerable efforts have been put into investigating and modelling hydrological processes of mountainous catchments. On the one hand, the complexity and intrinsically high variabilit...
Modelling Mountainous Water Systems Between Learning and Speculating Looking for Challenges
Mountainous Water Systems Learning and Speculating Challenges
2009/10/22
For many years considerable efforts have been put into investigating and modelling hydrological processes of mountainous catchments. On the one hand, the complexity and intrinsically high variabilit...
Water activity in polyol/water systems: new UNIFAC parameterization
Water activity polyol/water systems UNIFAC parameterization
2009/2/11
Water activities of a series of polyol/water systems were measured with an AquaLab dew point water activity meter at 298K. The investigated polyols with carbon numbers from n=2-7 are all in liquid sta...
Excess Properties of Alcohol - Water Systems at 298.15 K
Dielectric constant viscosity excess properties Kirkwood correlation factor
2010/4/13
Dielectric constants \varepsilon, viscosities h, refractive indices n and densities d have been measured over the entire mole fraction range for the water - methyl, ethyl, n-propyl alcohol binary syst...
Potential-Distance Relationships of Clay-Water Systems Considering the Stern Theory
Cation Size Clay Minerals Diffuse Double Layer Electric Potential Stern Theory
2011/12/27
Abstract: This paper deals with the use of Stern theory as applied to a clay-water electrolyte system, which is more realistic to understand the force system at micro level than the Gouy-Chapman theor...
Effect of 1,4-Dioxane on the Expansion of Montmorillonite Layers in Montmorillonite/Water Systems
1,4-dioxane Layer expansion Montmorillonite Swelling
2011/12/28
Suspensions were produced by mixing Na-saturated, Upton montmorillonite with aqueous solutions containing different concentrations of 1,4-dioxane. Each suspension was deposited on a porous ceramic fil...
Negative Adsorption in Clay-Water Systems with Interacting Double Layers
Adsorption Clay-water systems Double layer Negative adsorption Salt exclusion
2012/2/9
A relation was derived which describes negative adsorption (salt exclusion) in systems in which double layer interaction takes place but where the surface potential remains finite, such as in clay pas...
Neutron Diffraction from Clay-Water Systems
Humidity Montmorillonite Neutron Quasielastic
2011/11/18
Abstract: The use of neutron diffraction to determine some of the structural properties of montmorillonite-water systems at low water concentrations is described. The samples were prepared by compress...
Protonation of Organic Bases in Clay—Water Systems
Organic Bases Clay—Water Systems organo-clay species involved
2012/2/13
The extent of protonation of organic bases in clay—water systems depends upon the adsorptive properties of the organo-clay species involved, and upon the structure and degree of hydration of the clay ...
Relation between Swelling, Water Properties and b-Dimension in Montmorillonite-Water Systems
Water Properties b-Dimension Montmorillonite-Water Systems
2012/2/17
The b-dimensions of the unit cells of six different Na-saturated montmorillonites were determined by X-ray diffraction at water contents ranging from 0 to 20 g per g of montmorillonite. In every case,...
Electrokinetic Effects in Kaolin-Water Systems. I. The Measurement of Electrophoretic Mobility
Electrokinetic Effects Electrophoretic Mobility
2011/11/16
A new apparatus for the measurement of eleetrophoretie mobilities of particles in concentrated suspensions has been developed. The usual techniques for the study of electrophoretic mobility, such as t...
The Influence of Pressure on the Electrical Resistivity of Clay-Water Systems
Electrical Resistivity Clay-Water Systems
2011/11/17
Abstract: The influence of pressure on the electrical resistivity of clay-water systems was investigated and found to reflect the abnormal nature of adsorbed water. The resistivity of montmorillonite-...