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Development of Ammonium-Saponites from Gels with Variable Ammonium Concentration and Water Content at Low Temperatures
Cation exchange capacity Infrared spectroscopy Saponite Synthesis Thermal analysis Transmission electron microscopy X-ray powder diffraction
2011/12/1
Abstract: Ammonium-saponite is hydrothermally grown at temperatures below 300°C from a gel with an overall composition corresponding to (NH4)0.6Mg3Si3.4Al0.6O10(OH)2. The synthetic saponite and co-exi...
Effect of Compaction Pressure and Water Content on the Thermal Conductivity of Some Natural Clays
Compaction pressure Illite Palygorskite Smectite Thermal conductivity Water content
2012/1/10
This paper presents thermal conductivity data for highly compacted Ca-smectite, Na-smectite, illite, and palygorskite as a function of density (i.e., compaction pressure), water content, and temperatu...
An Ultraviolet Spectroscopic Method for Monitoring Surface Acidity of Clay Minerals under Varying Water Content
Monitoring Surface Clay Minerals Varying Water Content
2012/2/15
The ability of a clay mineral surface to function as an acid is not represented by bulk pH measurements. A method using u.v. analysis and organic indicators has been developed to monitor surface acidi...
Lithium and Potassium Absorption, Dehydroxylation Temperature, and Structural Water Content of Aluminous Smectites
Lithium Potassium Absorption Dehydroxylation Temperature Aluminous
2012/2/20
X-ray analysis of Li+- and K+-saturated samples, differential thermal analysis (DTA), thermal gravimetric analysis (TGA), and chemical analysis of 83 samples enable a distinction to be made between Wy...