Authors:
V. M. Galogaža Faculty of Technology and Metallurgy University of Belgrade Belgrade Yugoslavia

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E. A. Prodan Institute of General and Inorganic Chemistry of the Academy of Sciences of the BSSR Minsk USSR

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H. V. Peslyak Institute of General and Inorganic Chemistry of the Academy of Sciences of the BSSR Minsk USSR

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V. A. Sotnikova-Yuzhik Institute of General and Inorganic Chemistry of the Academy of Sciences of the BSSR Minsk USSR

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S. A. Prodan Institute of General and Inorganic Chemistry of the Academy of Sciences of the BSSR Minsk USSR

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The kinetics of isothermal-isobaric dehydration of Li5P3O10·5H2O in vacuum (p=10−1 hPa) and in water vapour atmosphere ( =23·hPa) was investigated by TG in the temperature range 40–140°. It was shown that the initial non-degradation removal of 1/10 of the crystal water, the rate of which is sensitive to , proceeds according to the laws of reversible topochemical reactions. In the next, irreversible degradation stage, where the bulk of the crystal water is removed, the kinetic characteristics of the process and the DSC effects exhibit a low sensitivity to the water vapour pressure. The peculiarities of Li5P3O10·5H2O dehydration were considered in comparison with the thermal behaviour of Na5P3O10·6H2O and K5P3O10·4H2O.

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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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