Interlayer complexes of lanthanide-montmorillonites with amines
- 1 June 1982
- journal article
- Published by Mineralogical Society in Clay Minerals
- Vol. 17 (2) , 201-208
- https://doi.org/10.1180/claymin.1982.017.2.05
Abstract
Sorption interlayer complexes of n-butylamine, sec-butylamine, iso-butylamine and diethylamine with homoionic Ln-montmorillonites (Ln = La, Sm, Gd, Er, Y) have been prepared. Compositions of the complexes are of the type: [Ln(butylamine)4]3+ and [Ln-(diethylamine)2]3+. The disposition of amine molecules surrounding the ion, the interaction between the amine group and the Ln3+ ion, and the strength of the ion-dipole bond have been studied by X-ray diffraction, IR spectroscopy and differential thermal analysis.Keywords
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