Abstract
The thermal behaviours of the Ti(II), Mn(II), Fe(II), Ni(II), Cu(II) and Zn(II) complexes of triethanolamine were studied by means of thermogravimetry, differential thermogravimetry, differential thermal analysis infrared spectrophotometry and elemental analysis. The sequence of thermal stability of the metal complexes, determined by using the initial decomposition temperature, was found to be Ti(II)≅Mn(II)>Fe(II)>Ni(II)>Zn(II)>Cu(II). Some of the kinetic parameters, such as the activation energy and order of reaction for the initial decomposition reaction, were calculated and the relationship between the thermal stability and the chemical structure of the complexes is discussed.
Zusammenfassung
Mittels TG, DTG, IR-Spektrofotometrie und Elementaranalyse wurde das thermische Verhalten der Ti(II)-, Mn(II)-, Fe(II)-, Ni(II)-, Cu(II)-, und Zn(II)- Komplexe von Triethanolamin untersucht. Die anhand der Temperatur für die einsetzende Zersetzung ermittelte Reinhenfolge für die thermische Stabilität der Metallkomplexe lautet: Ti(II)≅Mn(II)>Fe(II)>Ni(II)>Zn(II)>Cu(II). Einige der kinetischen Parameter, wie Aktivierungsenergie und Reaktionsordnung für die einsetzende Zersetzungsreaktion wurden berechnet und die Beziehung zwischen Stabilität und chemischer Struktur der Komplexe besprochen.
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Içbudak, H., Yilmaz, V.T. & Ölmez, H. Thermal decompositions of some divalent transition metal complexes of triethanolamine. Journal of Thermal Analysis 44, 605–615 (1995). https://doi.org/10.1007/BF02636280
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DOI: https://doi.org/10.1007/BF02636280