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Balek, V.* ; Benes, M.* ; Malek, Z.* ; Matuschek, G. ; Kettrup, A.* ; Yariv, S.*

Emanation thermal analysis study of Na-montmorillonite and montmorillonite saturated with various cations.

J. Therm. Anal. Calorim. 83, 617-623 (2006)
DOI
Open Access Green möglich sobald Postprint bei der ZB eingereicht worden ist.
Emanation thermal analysis (ETA) and thermogravimetry measured in the range 20-1000 degrees C was used to characterize the thermal behaviour of Na-montmorillonite (Upton Wyoming, USA) and homoionic montmorillonite samples prepared by saturation with cations Li+ , Mg2+, Al3+, respectively. It was confirmed that the presence of cations used for montmorillonite saturation (Li+, Mg2+, Al3+) influenced the thermal behaviour of the samples. The results that indicated the decrease of radon release rate corresponding to a collapse of the interlayer space between the silicate sheets after water release and the crystallization of meta-montmorillonite in the respective temperature intervals were compared. From the ETA results it followed that the thermal stability of intermediate microstructure depends on the type of exchanged cation. A mathematical model was used to evaluate the ETA data.
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Publikationstyp Artikel: Journalartikel
Dokumenttyp Wissenschaftlicher Artikel
Schlagwörter Emanation thermal analysis; meta-montmorillonite; microstructure; Na-montmorillonite; saturation with Li+;Mg2+;Al3+; thermal behaviour; thermogravimetry
Sprache englisch
Veröffentlichungsjahr 2006
HGF-Berichtsjahr 2006
ISSN (print) / ISBN 1388-6150
e-ISSN 1588-2926
Zeitschrift Journal of Thermal Analysis and Calorimetry
Quellenangaben Band: 83, Heft: 3, Seiten: 617-623 Artikelnummer: , Supplement: ,
Verlag Springer
Begutachtungsstatus Peer reviewed
Institut(e) Institute of Ecological Chemistry (IOEC)
Cooperation Group Comprehensive Molecular Analytics (CMA)
PPM-MEX-Molecular EXposomics (MEX)
POF Topic(s)
30202 - Environmental Health
Forschungsfeld(er)
Environmental Sciences
PSP-Element(e) G-505100-003
G-504500-001
G-509100-001
DOI 10.1007/s10973-005-7424-y
WOS ID 000236616400019
Scopus ID 33645680520
Erfassungsdatum 2006-03-30
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