Infrared study of water sorption on Na-, Li-, Ca-, and Mg-exchanged (SWy-1) montmorillonite

An environmental infrared microbalance (EIRM) cell was used to study H2O sorption on two montmorillonite samples as a function of water content and type of exchangeable cation. The vibrational spectra showed that H2O sorbed to the clay at low-water content was strongly influenced by the exchangeable...

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Bibliographic Details
Published in:Clays and clay minerals 2000-02, Vol.48 (1), p.120-131
Main Authors: Xu, Weizong, Johnston, Cliff T, Parker, Paul, Agnew, Stephen F
Format: Article
Language:English
Subjects:
alkali metals
alkaline earth metals
calcium
cation exchange capacity
chemical composition
chemical reactions
clay mineralogy
clay minerals
Earth sciences
Earth, ocean, space
Exact sciences and technology
experimental studies
geochemistry
infrared spectra
lithium
magnesium
metals
mineral-water interface
Mineralogy
montmorillonite
rock, sediment, soil
sed rocks, sediments
Sedimentary petrology
sheet silicates
Silicates
sodium
sorption
spectra
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Summary:An environmental infrared microbalance (EIRM) cell was used to study H2O sorption on two montmorillonite samples as a function of water content and type of exchangeable cation. The vibrational spectra showed that H2O sorbed to the clay at low-water content was strongly influenced by the exchangeable cation and by the close proximity to the clay surface. At water contents
ISSN:0009-8604
1552-8367
DOI:10.1346/ccmn.2000.0480115