Authors:
P. Pasierb Univesity of Mining and Metallurgy Faculty of Materials Science and Ceramics, Department of Inorganic Chemistry Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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R. Gajerski Univesity of Mining and Metallurgy Faculty of Materials Science and Ceramics, Department of Inorganic Chemistry Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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S. Komornicki Univesity of Mining and Metallurgy Faculty of Materials Science and Ceramics, Department of Inorganic Chemistry Al. Mickiewicza 30 30-059 Cracow Poland Al. Mickiewicza 30 30-059 Cracow Poland

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M. Rękas University of New South Wales School of Materials Science and Engineering, UNSW Sydney NSW 2052 Australia Sydney NSW 2052 Australia

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Abstract  

The binary system Li2CO3–BaCO3 was studied by means of differential thermal analysis (DTA), thermogravimetry (TG) and X-ray phase analysis. The composition of carbonate and CO2 partial pressure influence on the thermal behavior of carbonate were examined. It was shown that lithium carbonate does not form the substitutional solid solution with barium carbonate, however the possible formation of diluted interstitial solid solutions is discussed. Above the melting temperature the mass loss is observed on TG curves. This loss is the result of both decomposition of lithium carbonate and evaporation of lithium in Li2CO3–BaCO3 system. Increase of CO2 concentration in surrounding gas atmosphere leads to slower decomposition of lithium carbonate and to increase the melting point.

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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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