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Mechanism of thermal dehydrochlorination

o-Hydroxyacetophenone Girard-P hydrazone transition metal cation chloride complexes

Journal of Thermal Analysis and Calorimetry
Authors: M. M. Abou Sekkina and M. R. Salem

Co(II), Ni(II), Cu(II) and Zn(II) complexes ofo-hydroxyacetophenone Girard-P hydrazone were prepared by using the organic ligand and the corresponding transition metal chlorides. The protonation and formation constants were evaluated for the organic ligando-hydroxyacetophe-none Girard-P hydrazone and its transition metal complexes, respectively. The thermal behaviour of the test materials was established by means of DTA. Their semiconducting parameters were evaluated through DC-conductivity measurements, and their thermodynamic parameters were evaluated, assigned and interpreted. The mechanism of thermal dehydrochlorination of the metal chloride complexes was proposed.

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