Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 59: Issue 3
New Microthermogravimetric Apparatus. Kinetics of metal sulphidation and transport properties of transition metal sulphides
Authors:
Z. Grzesik University of Mining and Metallurgy Department of Solid State Chemistry, Faculty of Materials Science and Ceramics Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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S. Mrowec University of Mining and Metallurgy Department of Solid State Chemistry, Faculty of Materials Science and Ceramics Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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T. Walec University of Mining and Metallurgy Department of Solid State Chemistry, Faculty of Materials Science and Ceramics Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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J. Dabek University of Mining and Metallurgy Department of Solid State Chemistry, Faculty of Materials Science and Ceramics Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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Pages:
985–997
Online Publication Date:
02 Nov 2004
Publication Date:
01 Mar 2000
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010199030780
Restricted access

Abstract  

A novel microthermogravimetric apparatus to study the kinetics of metal sulphur reactions and transport properties of transition metal sulphides has been described. The main feature of this arrangement includes the application of the carrier gas for sulphur vapour transportation and the protection of the balance chamber from sulphur attack. As a consequence, the helix balance could have been replaced by an automatic electronic microbalance and the accuracy of the mass change measurements increased more than two orders of magnitude, up to 10–7 g. The application of two liquid sulphur reservoirs created very stable, strictly defined reaction conditions, and enabled to make rapid changes of sulphur partial pressure in the reaction chamber. It has been demonstrated that all these innovations make it possible to study not only the kinetics of very slow sulphidation processes but also to determine deviations from stoichiometry and defect mobility in transition metal sulphides.

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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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