Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 49: Issue 2
Pulsed bed calorimetry
A jump in speed and sensitivity
Authors:
S. Walter Ecole Nationale Supérieure de Chimie de Mulhouse, 3, Rue A. Werner, F-68093 Mulhouse, France

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A. Hadj Mebarek Ecole Nationale Supérieure de Chimie de Mulhouse, 3, Rue A. Werner, F-68093 Mulhouse, France

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S. Diyani Ecole Nationale Supérieure de Chimie de Mulhouse, 3, Rue A. Werner, F-68093 Mulhouse, France

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Pages:
1089–1096
Online Publication Date:
05 Aug 2005
Publication Date:
01 Aug 1997
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf01996797
Keywords:
calorimetry; fluidized bed; hyphenated; MDSC; spectrometry
Restricted access

Abstract  

Conventional calorimetry has always the difficulty of choosing between near to equilibrium working conditions and high thermal ramp rates. Thus, either the transport phenomena and sample homogeneities are good but the signals become weak due to thermal losses, or the signals are sharp, but strong gradients across the sample lead to chemical and thermal heterogeneities. The described pulsed fluidized bed technique, by strongly stirring the sample, allows good sample homogeneities even at high ramp rates. Moreover, the permanently regenerated cover gas allows as well a good heat transfer towards the thermocouples as a constant atmosphere composition leading to very precise onset temperatures.

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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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