X-ray Diffraction Study of K- and Ca-Exchanged Montmorillonites in CO2 Atmospheres

Powder X-ray diffraction shows that K- and Ca-exchanged montmorillonites swell upon interacting with CO2 at ambient temperatures, depending on their initial hydration state. K-exchanged montmorillonite swells rapidly to a maximum d(001) of ∼12.2 Å. In contrast, Ca-exchanged montmorillonite swells mo...

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Veröffentlicht in:	Environmental science & technology 2012-05, Vol.46 (10), p.5623-5630
Hauptverfasser:	Giesting, Paul, Guggenheim, Stephen, Koster van Groos, August F, Busch, Andreas
Format:	Artikel
Sprache:	eng
Schlagworte:	Atmosphere Bentonite - chemistry Calcium - chemistry Carbon Dioxide - chemistry Climatology. Bioclimatology. Climate change Earth, ocean, space Exact sciences and technology External geophysics Kinetics Meteorology Potassium - chemistry Time Factors X-Ray Diffraction - methods
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