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Interaction of long chain alkylammonium cations with reduced charge montmorillonite (1992)

Bujdák, J. ; Slosiariková, H. ; Číčel, B.

Springer

Journal of inclusion phenomena and macrocyclic chemistry 13 (1992), S. 321-327

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Details

ISSN: 1573-1111

Schlagwort(e): Alkylammonium sorption ; charge reduction ; lithium thermal treatment ; montmorillonite

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie

Notizen: Abstract Reduced charge montmorillonites (RCM) were prepared using lithium thermal treatment. The sorption of octylammonium (OA), dodecylammonium (DDA) and hexadecylammonium ions (HDA) on differently charged samples were studied. The amounts of DDA and HDA sorbed on each RCM exceed the cation exchange capacity (CEC) but that of OA exceeds only the CEC of samples with the lowest CEC. The sorption is affected not only by the layer charge but also by the formation of collapsed interlayer spaces in the lowest charged montmorillonites. X-ray measurements confirmed the decrease of the layer charge after lithium thermal treatment and the layer charge heterogeneity in RCMs.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01133231

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