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Diffuse Reflectance Spectra of Al Substituted Goethite: A Ligand Field Approach
Band Decomposition Bond Distances Diffuse Reflectance Spectroscopy Goethite Ligand Field Splitting Racah-Parameters
2011/12/6
Abstract: Previous investigations of goethite revealed a substantial variation of color and diffuse reflectance spectra (DRS) in the extended visible range (350–2200 nm). To better understand the caus...
Near-Infrared Reflectance Spectra of Mixtures of Kaolin-Group Minerals: Use in Clay Mineral Studies
Dickite Interstratification Kaolinite Near-infrared spectroscopy Order-disorder X-ray powder diffraction
2012/1/9
Near-infrared (NIR) reflectance spectra for mixtures of ordered kaolinite and ordered dickite have been found to simulate the spectral response of disordered kaolinite. The amount of octahedral vacanc...