High-Temperature Heat Capacity and Thermodynamic Properties of Oxide Compounds of Bi sub( 2)O sub( 3) - PbO

Bi sub( 12)PbO sub( 19) and Bi sub( 5)Pb sub( 3)O sub( 10.5) oxide compounds were obtained by the solid phase synthesis. Temperature dependence of their molar heat capacity was determined with the use of differential scanning calorimetry. It has been found that in the case of Bi sub( 5)Pb sub( 3)O s...

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Published inJournal of Siberian Federal University. Chemistry Vol. 8; no. 4; p. 514
Main Authors Denisova, Liubov T, Irtyugo, Liliya A, Beletscky, Vasiliy V, Belousova, Nataliya V
Format Journal Article
LanguageEnglish
Published 01.01.2015
Subjects
Differential scanning calorimetry
Heat capacity
Mathematical analysis
Oxides
Solid phase synthesis
Specific heat
Temperature dependence
Thermodynamic properties
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Summary:Bi sub( 12)PbO sub( 19) and Bi sub( 5)Pb sub( 3)O sub( 10.5) oxide compounds were obtained by the solid phase synthesis. Temperature dependence of their molar heat capacity was determined with the use of differential scanning calorimetry. It has been found that in the case of Bi sub( 5)Pb sub( 3)O sub( 10.5) the curve Cp = f(T) has an extremum at 686 K associated with a change of its structure. Thermodynamic properties of these compounds were calculated from the experimental data.
Bibliography:ObjectType-Article-1
SourceType-Scholarly Journals-1
content type line 23
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ISSN:1998-2836
2313-6049
DOI:10.17516/1998-2836-2015-8-4-514-520