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Thermal behaviour of the homopolynuclear glyoxylate complex combinations with Cu(II) and Cr(III)

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Abstract

Homopolynuclear complexes of Cu(II) respectively Cr(III) with the glyoxylate dianion, C2H2O4 2-, have been studied in non-isothermal regime in air and nitrogen. The results of the non-isothermal analysis performed for the synthesised complexes, Cu(C2H2O4)·0.5H2O, respectively [Cr2(OH)2(C2H2O4)2(OH2)4]·2H2O, correlated with the results of the IR and TG analysis of the compounds obtained by thermal treatment from the initial complexes and the results of the GLC and XR analysis have led to the establishment of the thermal decomposition mechanisms for the two studied complexes. The decomposition mechanisms confirm the stoichiometric and structural formulae proposed for the two synthesised homopolynuclear complexes.

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Authors and Affiliations

  1. Faculty of Industrial Chemistry and Environmental Engineering, University 'Politehnica' Timişoara, RO-1900, Timişoara, Piaba Victoriei nr. 2, Romania

    M. Stefănescu & M. Bîrzescu

  2. Timişoara Branch of the Romanian Academy, RO-1900, Timişoara, Bv. Mihai Viteazul nr. 24, Romania

    V. Sasca

Authors
  1. M. Stefănescu
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  2. V. Sasca
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  3. M. Bîrzescu
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Stefănescu, M., Sasca, V. & Bîrzescu, M. Thermal behaviour of the homopolynuclear glyoxylate complex combinations with Cu(II) and Cr(III). Journal of Thermal Analysis and Calorimetry 72, 515–524 (2003). https://doi.org/10.1023/A:1024565313792

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