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Thermal BEHAVIOR of the Ti(IV), Zr(IV) and Pb(II) Complexes with 5-nitro-8-hydroxyquinoline

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Abstract

Ti(IV), Zr(IV) and Pb(II) complexes with 5-nitro-8-hydroxyquinoline (5-NQ) were obtained by precipitation in acetone/ammonium solution medium. The compounds TiO(C9H5N2O3)2·;0.5H2O, ZrO(C9H5N2O3)2·2H2O and Pb(C9H5N2O3)2 were characterized by Elemental Analysis, X-ray Diffratometry and Infrared Absorption Spectrometry and their thermal behavior followed by TG/DTA. This present study intends to show the variations in the thermal behavior of the compounds and in the composition and/or structure of final oxide residues, in different atmospheres and heating rates.

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Authors and Affiliations

  1. Instituto de Química -, Unesp, C.P. 355, CEP 14801-970, Araraquara, SP-Brazil

    M. S. Crespi, H. E. Zorel Jr. & C. A. Ribeiro

Authors
  1. M. S. Crespi
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  2. H. E. Zorel Jr.
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  3. C. A. Ribeiro
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Crespi, M.S., Zorel, H.E. & Ribeiro, C.A. Thermal BEHAVIOR of the Ti(IV), Zr(IV) and Pb(II) Complexes with 5-nitro-8-hydroxyquinoline. Journal of Thermal Analysis and Calorimetry 72, 507–514 (2003). https://doi.org/10.1023/A:1024513329722

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  • DOI: https://doi.org/10.1023/A:1024513329722

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