Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 65: Issue 1
Thermal Decomposition of (4,4′-Dimethyl-2,2′-Bipyridine) Tris(Benzoate) Europium(III): Non-isothermal kinetics
Authors: J. Zhang 1 , R. Wang 2 , J. Li 1 , and H. Liu 3
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  • 1 Hebei Teachers' University Experimental Center Shijiazhuang 050016 P.R. China Shijiazhuang 050016 P.R. China
  • 2 Hebei Teachers' University Department of Chemistry Shijiazhuang 050016 P.R. China Shijiazhuang 050016 P.R. China
  • 3 Hebei University of Science and Technology Department of Chemistry and Pharmacy Engineering Shijiazhuang 050018 P.R. China Shijiazhuang 050018 P.R. China
DOI:
https://doi.org/10.1023/a:1011553324335
Page Count:
241–248
Publication Date:
25 Jul 2001
Online Publication Date:
02 Nov 2004
Article Category:
Research Article
Restricted access

Abstract  

The thermal behavior of[Eu2(BA)6(dmbpy)2] (BA=C7H5O 2– , benzoate; dmbpy=C12H12N2, 4,4-dimethyl-2,2-bipyridine) and its kinetics were studied under the non-isothermal condition in a static air atmosphere by TG-DTG, IR and SEM methods. Thermal decomposition of [Eu2(BA)6(dmbpy)2] occurred in four consecutive stages at TP 232, 360, 455 and 495°C. The kinetic parameters were obtained from analysis of the TG-DTG curves by Achar and Madhusudanan—Krishnan—Ninan (MKN) methods. The most probable mechanisms for the first stage was suggested by comparing the kinetics parameters.

Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943
Keywords:
benzoic acid; europium complex; non-isothermal kinetics; thermal decomposition

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