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Characterization and Assignment of Far Infrared Absorption Bands of K+ in Muscovite
Dichroism Far Infrared Muscovite Potassium Transition Moment Vibration Mode
2011/12/6
Abstract: To assign far infrared (FIR) absorption bands of K+ in muscovite, dichroic experiments were performed. For a muscovite crystal rotated about a crystallographic axis, c*, a, or b, two bands c...
Assignment of the Far-Infrared Absorption Bands of K in Micas
Dichroism Far-infrared spectroscopy Mica Potassium Vermiculite
2011/12/31
To identify the far-infrared (FIR) absorption bands related to K cations in micas, spectra of muscovite, phlogopite, and biotite were compared with the spectra of pyrophyllite and talc, which have no ...
Effect of Swelling on the Infrared Absorption Spectrum of Montmorillonite
Swelling Infrared Absorption Spectrum Montmorillonite
2012/2/13
The i.r. spectra of mixtures of different Na-montmorillonites were determined at several water contents between 2 and 22 g of water/g of montmorillonite. It was found that Si—O absorption is represent...
Infrared Absorption and X-Ray Diffraction Study of Butylammonium Complexes of Phyllosilicates
Infrared Absorption X-Ray Diffraction Butylammonium Complexes Phyllosilicates
2011/11/18
Abstract: I.R. absorption and X-ray diffraction data on butylammonium complexes of vermiculites show, when compared with the Wyoming montmorillonite complex, that the tetrahedral location of charge de...
Infrared Absorption Spectrometry in Clay Studies
Infrared Absorption Spectrometry Clay Studies
2011/11/16
The relationships between spectrum and structure in layer-silicates are reviewed, and applied in the study of structural changes occurring during the heating of montmorillonites up to dehydroxylation,...