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Hisingerite: A Ferric Kaolin Mineral with Curved Morphology
Cation Exchange Capacity Halloysite Hisingerite Kaolinite Nontronite Transmission Electron Microscopy X-ray Powder Diffraction
2011/12/8
Abstract: Hisingerite, first described in 1810, has been variously regarded as noncrystalline, as a septechlorite, as ferric allophane, as ferric halloysite and as poorly crystalline nontronite. Hisin...
Curved Smectite in Soils from Volcanic Ash in Kenya and Tanzania: A Low-Angle X-ray Powder Diffraction Study
Curved layers Kaolinite Low-angle X-ray powder diffraction Smectite Soil clay Relative humidity Volcanic ash
2012/1/13
Low-angle X-ray powder diffraction (XRD) measurements of soil samples, made at controlled relative humidities, showed the presence of major reflections at 20–33, 10–27, and 7–8 Å. The first refl...