TG curves of 8-hydroxyquinoline Copper(WSDTY) in a N2 atmosphere, show mass losses in two steps. The first step occurs up to 188C and it is attributed to dehydration process followed by elimination of the uncoordinated ligand, and it is observed through two endothermic peaks,128.8 and 172.4C, in DTA curves. The second step, between 276 and 483°C, is initially attributed to the loss of the complex by partial volatilization followed by partial decomposition of the anhydrous complex which was not completed even up to 900°C. In this step it is observed two endothermic peaks in DTA curve, the first at 329°C indicates the fusion and the second at 361°C, the partial volatilization of the complex.

DSC curve, shows two endothermic peaks due to the dehydration and to the elimination of the uncoordinated ligand, 131.8 and 146.7°C, respectively. A peak at 334.6°C due to fusion of the anhydrous complex, preceded by a peak at 324°C due to partial sublimation of the compound are also observed. Several peaks at 348.8, 352 and 402°C are due to volatilization of the complex and finally one endothermic peak up to 516°C is due to the thermal decomposition of the remaining compound. Sublimation and volatilization of the complex can be observed by little mass losses in the TG curve just before and after the fusion peak in the DTA curve.

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