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Thermal studies on solid 1,4-bis(3-carboxy-3-oxo-prop-1-enyl) benzene of lighter trivalent lanthanides

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Abstract

Solid-state compounds of general formula Ln2L3·nH2O, where L represents 1,4-bis(3-carboxy-3-oxo-prop-1-enyl)benzene and Ln = La, Ce, Pr, Nd, Sm, were synthesized. Complexometric titrations with EDTA, thermogravimetry (TG), differential thermal analysis (DTA), differential scanning calorimetry (DSC), X-ray powder diffractometry, elemental analysis and infrared spectroscopy have been employed to characterize and to study the thermal behavior of these compounds in dynamic air atmosphere. The results led to information about the composition, dehydration, crystallinity, and thermal decomposition of the synthesized compounds.

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Acknowledgements

The authors thank FAPESP (Proc. 2006/06951-3), CAPES, and CNPq (Proc. 472233/2008-4 and 150759/2009) for financial support.

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Authors and Affiliations

  1. Faculdade de Engenharia de Guaratinguetá, UNESP, CEP 12516-410, Guaratinguetá, SP, Brazil

    Ronaldo S. Nunes & José M. Luiz

  2. Departamento de Química, Falculdade de Ciências, UNESP, CEP 17033-260, Bauru, SP, Brazil

    Gilbert Bannach

  3. Instituto de Química de Araraquara, UNESP, CEP 14800-900, Araraquara, SP, Brazil

    Flávio J. Caires & Massao Ionashiro

  4. Universidade Federal da Grande Dourados, CEP 79.804-970, Dourados, MS, Brazil

    Claudio T. Carvalho

Authors
  1. Ronaldo S. Nunes
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  2. Gilbert Bannach
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  3. José M. Luiz
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  4. Flávio J. Caires
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  5. Claudio T. Carvalho
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  6. Massao Ionashiro
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Correspondence to Ronaldo S. Nunes.

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Nunes, R.S., Bannach, G., Luiz, J.M. et al. Thermal studies on solid 1,4-bis(3-carboxy-3-oxo-prop-1-enyl) benzene of lighter trivalent lanthanides. J Therm Anal Calorim 106, 525–529 (2011). https://doi.org/10.1007/s10973-010-1250-6

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  • DOI: https://doi.org/10.1007/s10973-010-1250-6

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