Thermal decomposition of lanthanum(III) butyrate in argon atmosphere

Jean-Claude Grivel; Zhao Yue; Tang Xiao; Pallewatta G A P Pallewatta; A. Watenphul; M.v. Zimmermann

doi:10.1016/j.tca.2013.05.016

Thermal decomposition of lanthanum(III) butyrate in argon atmosphere

Authors:

Grivel, Jean-Claude ;
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0000-0001-7835-9054
Department of Energy Conversion and Storage, Technical University of Denmark
Yue, Zhao ;
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Electrofunctional materials, Department of Energy Conversion and Storage, Technical University of Denmark
Xiao, Tang ;
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Department of Energy Conversion and Storage, Technical University of Denmark
Pallewatta, Pallewatta G A P ;
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Department of Energy Conversion and Storage, Technical University of Denmark
Watenphul, A. ;
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Deutsches Elektronen-Synchrotron
Zimmermann, M.v.
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Deutsches Elektronen-Synchrotron

DOI:

10.1016/j.tca.2013.05.016

Abstract:

The thermal decomposition of La(C3H7CO2)3·xH2O (x≈0.82) was studied in argon during heating at 5K/min. After the loss of bound H2O, the anhydrous butyrate presents at 135°C a phase transition to a mesophase, which turns to an isotropic liquid at 180°C. The decomposition of the anhydrous butyrate is associated to a solidification process. The final decomposition to La2O3 takes place via two intermediate products: La2O(C3H7CO2)4 and La2O2CO3 with release of CO2 and the symmetrical ketone C3H7COC3H7.

Type:

Journal article

Language:

English

Published in:

Thermochimica Acta, 2013, Vol 566, p. 112-117

Keywords:

Lanthanum; Butyrate; Thermal decomposition; TG/DTA; FTIR

Main Research Area:

Science/technology

Publication Status:

Published

Review type:

Peer Review

Submission year:

2013

Scientific Level:

Scientific

ID:

243640615

Thermal decomposition of lanthanum(III) butyrate in argon atmosphere

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