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THERMAL BEHAVIOUR OF THE PRECURSORS OF RUTHENIA–TITANIA BASEDMIXED OXIDES

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Title THERMAL BEHAVIOUR OF THE PRECURSORS OF RUTHENIA–TITANIA
BASEDMIXED OXIDES
 
Creator Labhsetwar , Nitin
Balek, V
Rayalu, S
Teraska, T
Yamazaki, A
Subrt, J
Haneda, H
Mitsuhashi, T
 
Subject Materials Science
 
Description Studies on ruthenia–titania based materials have been attractive because of their catalytic properties as well as due to the possibility of
solid solution formation. Samples of pure ruthenia and ruthenia containing various amounts of titania (10–70 mol%) were investigated
during heating of their hydroxide precursors from 20 to 800°C in air using emanation thermal analysis (ETA), thermogravimetry (TG),
and differential thermal analysis (DTA). The resulting mixed oxide type materials were characterized by X-ray diffraction (XRD), which
indicate the presence of three ruthenia–titania phases. The onset temperature of the crystallization of materials was identified by ETA results,
whereas DTA effects characterized the crystallization in bulk of the samples. A good agreement was found between the ETA results
and other characterization techniques used. ETA results, indicating the microstructural changes in surface and subsurface of ruthenia–titania
based catalytic materials, can be used for optimization of their synthesis protocols to achieve the better physical properties.
 
Publisher Springer
 
Date 2005
 
Type Article
PeerReviewed
 
Format application/pdf
 
Identifier http://neeri.csircentral.net/982/1/labhsetwar2005.pdf
Labhsetwar , Nitin and Balek, V and Rayalu, S and Teraska, T and Yamazaki, A and Subrt, J and Haneda, H and Mitsuhashi, T (2005) THERMAL BEHAVIOUR OF THE PRECURSORS OF RUTHENIA–TITANIA BASEDMIXED OXIDES. Journal of Thermal Analysis and Calorimetry, 80 (3). pp. 671-677. ISSN 1388-6150; 1588-2926 (Online)
 
Relation https://link.springer.com/journal/10973
http://neeri.csircentral.net/982/