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.