Montmorillonite and Baidelite Intercalated with Tetramethylammonium Cations.

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27640%2F00%3A00012242" target="_blank" >RIV/61989100:27640/00:00012242 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Montmorillonite and Baidelite Intercalated with Tetramethylammonium Cations.
Original language description
Molecular mechanics simulations, combined with X-ray powder diffraction and infrared spectroscopy, have been used in structure analysis of montmorillonite and beidelite intercalated with tetramethylammonium cations. A complex structure analysis providedus with the detailed structure model, including characterization of the disorder, the total sublimation energy and a charge distribution in the structure of intercalates. The calculated basal spacing (14.36 A for TMA-montmorillonite and 14.12 A for TMA- beidelite) are in good agreement with the experimental values (14.31 A for TMA-montmorillonite and 14.15 A for TMA-beidelite). Both intercalated structures exhibit positional and orientational disorder in the arrangement of TMA cations, and consequently disorder in layer stacking. The most significant difference between TMA-montmorillonite and TMA-beidelite is in the charge distribution on the TMA cations and silicate layers.
Czech name
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Czech description
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Type
J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)
CEP classification
DB - Geology and mineralogy
OECD FORD branch
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Project
<a href="/en/project/GA205%2F99%2F0185" target="_blank" >GA205/99/0185: Structure of intercalated hydrous phyllosilicates</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2000
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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