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Kinetics and lifetime of the complex of terbium p-chlorobenzoate with 1,10-phenanthroline

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Abstract

The complex of [Tb2(p-ClBA)6(PHEN)2] [(p-ClBA: p-chlorobenzoate and PHEN: 1,10-phenanthroline) was prepared and characterized by elemental analysis and IR spectroscopy. The thermal behavior of [Tb2(p-ClBA)6(PHEN)2] in dynamic nitrogen atmosphere was investigated by TG-DTG, SEM and IR techniques. By the kinetic method of processing thermal analysis data put forward by Malek et al., it is defined that the kinetic model for the first-step thermal decomposition is SB(m,n). The activation energy E and the pre-exponential factor lnA for this step reaction are 164 kJ mol-1 and 32.80, respectively. The lifetime equation at mass loss of 10% was deduced as lnτ=(-33.0569+20512.36/T by isothermal thermogravimetric analysis.

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Authors and Affiliations

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

    J.-J. Zhang & J.-B. Li

  2. College of Chemistry, Hebei Normal University, Shijiazhuang, 050091, P.R. China

    R.-F. Wang & S.-P. Wang

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

    H.-M. Liu

  4. Department of Computer, Hebei Teachers College of Science and Technology, Qinhuangdao, 066600, P.R. China

    J.-H. Bai

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  1. J.-J. Zhang
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  2. R.-F. Wang
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  3. S.-P. Wang
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  4. H.-M. Liu
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  5. J.-B. Li
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Zhang, JJ., Wang, RF., Wang, SP. et al. Kinetics and lifetime of the complex of terbium p-chlorobenzoate with 1,10-phenanthroline. Journal of Thermal Analysis and Calorimetry 73, 977–986 (2003). https://doi.org/10.1023/A:1025823723424

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