Authors:
F. Paulik Institute for General and Analytical Chemistry Technical University 1521 Budapest Hungary

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J. Paulik Institute for General and Analytical Chemistry Technical University 1521 Budapest Hungary

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É. Buzágh-Gere Institute for General and Analytical Chemistry Technical University 1521 Budapest Hungary

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M. Arnold Institute for General and Analytical Chemistry Technical University 1521 Budapest Hungary

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The thermal behaviour of anhydrous CaBr2 in N2 and O2 atmospheres containing H2O was investigated with the method of simultaneous TG, DTG, DTA and EGA (derivatograph). A method for the continuous determination of the amounts of Br2 and HBr evolved from the heated sample was elaborated in the presence of each other, and the course of the gas evolution was followed. It was found that water vapour does not react with CaBr2 in either a N2 or an O2 atmosphere, and no HBr is liberated. Under the given conditions CaBr2 completely decomposed in an O2 atmosphere between 500 and 1000°, with the formation of CaO and Br2, while in a N2 atmosphere between 700 and 1000° the material lost about 3 % of its original weight, due to evaporation.

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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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