Abstract
AbstractThe intercalation process of crown-ethers and cryptands into Ba2+- and Na+-montmorillonites leads to H-type adsorption isotherms according to the Giles et al. classification. The experimental monolayer capacity shows that 1:1 or 2:1 macrocyclic ligand/interlayer cation complexes can be produced. Kinetic experiments at different temperatures indicate that the intercalation is diffusion-controlled. The activation energies deduced from Arrhenius plots are 25–38 kJ mol−1.
References
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Dates
Type | When |
---|---|
Created | 18 years, 9 months ago (Nov. 16, 2006, 5:58 a.m.) |
Deposited | 6 years, 3 months ago (May 22, 2019, 3:30 a.m.) |
Indexed | 1 year, 5 months ago (April 2, 2024, 12:34 a.m.) |
Issued | 39 years, 6 months ago (March 1, 1986) |
Published | 39 years, 6 months ago (March 1, 1986) |
Published Online | 7 years, 1 month ago (July 9, 2018) |
Published Print | 39 years, 6 months ago (March 1, 1986) |
@article{Casal_1986, title={Interlayer adsorption of macrocyclic compounds (crown-ethers and cryptands) in 2:1 phyllosilicates: I. Isotherms and kinetics}, volume={21}, ISSN={1471-8030}, url={http://dx.doi.org/10.1180/claymin.1986.021.1.01}, DOI={10.1180/claymin.1986.021.1.01}, number={1}, journal={Clay Minerals}, publisher={Mineralogical Society}, author={Casal, B. and Ruiz-Hitzky, E.}, year={1986}, month=mar, pages={1–7} }