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Montmorillonite under high H2O pressures: Stability of hydrate phases, rehydration hysteresis, and the effect of interlayer cations
Montmorillonite high H2O pressures Stability hydrate phases rehydration hysteresis effect interlayer cations
2012/4/1
Dehydration of Ca- and Mg-exchanged montmorillonite was studied along H20 iso-
chores in the hydrothermal diamond-anvil cell by in situ X-ray diffraction using a syn-
chrotron radiation source. At-r...
Iron Sites in Nontronite and the Effect of Interlayer Cations From Mossbauer Spectra
Interlayer cation Iron Mossbauer spectroscopy Nontronite Octahedral site
2011/11/25
Abstract: The 57Fe Mössbauer spectra of untreated, Ca- and K-saturated nontronite from Garfield, Washington, were measured. The spectrum of the untreated sample was computer-fitted to 8 peaks def...
Interlayer Cations as Reaction Directors in the Transformation of Limonene on Montmorillonite
Catalysis Cation Disproportionation Isomerization Limonene Montmorillonite
2012/2/6
Clays may catalyze chemical reactions by acting as Br鰊sted acids, Lewis acids, and/or Lewis bases. The changes occurring when limonene (p-menthadiene) is heated in the presence of montmorillonite illu...