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Study of a Commercial SiO2 Sol and Gel by Small Angle X-ray Scattering: Effect of Sample Thickness and Interpretation by Means of Smoluchowski Scheme
Dependence of Sample Thickness Ludox HS SiO2 SAXS Smoluchowski Scheme Structure in sol
2011/12/23
Abstract: Ludox HS SiO2 sols at high concentrations show a peak in small angle x-ray scattering (SAXS) reminiscent to a “structure.” The appearance of such a peak was found to depend crucially on the ...
The Nature of Polynuclear OH-Al Complexes in Laboratory-Hydrolyzed and Commercial Hydroxyaluminum Solutions
Al13 complexes Aluminum chlorohydrate Polyaluminum chloride Polynuclear OH-Al complexes
2011/12/29
Laboratory-hydrolyzed and commercial OH-Al solutions were characterized using kinetics of Al-ferron color development, kinetics of structural OH neutralization with H+, 27Al NMR spectroscopy, and sulf...
Multiple Cation-Exchange Capacity Measurements on Standard Clays Using a Commercial Mechanical Extractor
Apparatus Cation-exchange capacity Ion-exchange method K-fixation Leaching tube 2:1 clay minerals
2011/11/25
Abstract: Sequential cation-exchange capacity (CEC) measurements were obtained from standard clays using a mechanized, variable-rate leaching device. The device consists of a motorized screwjack and a...