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Thermal Decomposition of (4,4′-Dimethyl-2,2′-Bipyridine) Tris(Benzoate) Europium(III): Non-isothermal kinetics

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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 T P 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.

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Authors and Affiliations

  1. Experimental Center, Hebei Teachers' University, Shijiazhuang, 050016, P.R. China

    J. J. Zhang & J. B. Li

  2. Department of Chemistry, Hebei Teachers' University, Shijiazhuang, 050016, P.R. China

    R. F. Wang

  3. Department of Chemistry and Pharmacy Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, P.R. China

    H. M. Liu

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  1. J. J. Zhang
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  2. R. F. Wang
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  3. J. B. Li
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  4. H. M. Liu
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Correspondence to J. J. Zhang.

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Zhang, J.J., Wang, R.F., Li, J.B. et al. Thermal Decomposition of (4,4′-Dimethyl-2,2′-Bipyridine) Tris(Benzoate) Europium(III): Non-isothermal kinetics. Journal of Thermal Analysis and Calorimetry 65, 241–248 (2001). https://doi.org/10.1023/A:1011553324335

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  • DOI: https://doi.org/10.1023/A:1011553324335

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