Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 11: Issue 2
Thermolysis under vacuum: Essential influence of the residual pressure on thermoanalytical curves and the reaction products
Authors:
J. Rouquerol Centre de Recherches de Microcalorimétrie et de Thermochimie du C.N.R.S. 26, rue du 141e R.I.A. 13003 Marseille France

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M. Ganteaume Centre de Recherches de Microcalorimétrie et de Thermochimie du C.N.R.S. 26, rue du 141e R.I.A. 13003 Marseille France

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Pages:
201–210
Online Publication Date:
23 Jul 2005
Publication Date:
01 Apr 1977
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01909957
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This paper examines the influence of residual pressures in the range from 10−5 to 5 torr on the course of thermal analysis. With the help of examples concerning in particular the thermolysis of gibbsite, A1(OH)3, it is shown that a) the control of residual pressure is of virtually no use unless the rate of decomposition isalso controlled (otherwise, the TG curves represent a composite phenomenon, which is practically unintelligible); b) the influence of residual pressure may be unexpectedly high both on the shape of the TG curves (and therefore on the apparent kinetic parameters) and on the nature (porosity, structure) of the products.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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