Authors:
I. Proks Institute of Inorganic Chemistry Slovak Academy of Sciences Dúbravská cesta 5 809 34 Bratislava Czechoslovakia

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I. Nerád Institute of Inorganic Chemistry Slovak Academy of Sciences Dúbravská cesta 5 809 34 Bratislava Czechoslovakia

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The mechanism of the step I and step II of thermal decomposition of 3CaO · Al2O3 · 6D2O was studied. The presence of Ca(OD)2 was proved in the products of the first step of decomposition. In the calorimeter cell of the Dupont 990 thermoanalyser the enthalpy changesΔHr,I=59.2kJ/mole D2O for step I (210–410°) andDHrII,1=69.0 kJ/mole D2O for the first fast part of the step II (“stage 1 of the step I”, encompassing the temperature interval 410–560°) were measured. This indicates that the dissociation of Ca(OD)2 is not the only transition taking place in the first fast part (stage 1) of the step II.

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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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