Syntheses, characterization and thermal decomposition studies of hydrazine complexes of transition metal phthalates

Author(s): K.K.Aravindakshan , Jacob M. Jose, S.Jayasree

Metal complexeswith a general formulaM(C8H4O4)(N2H4)2,whereM=Mn(II), Fe(II), Co(II), Ni(II), Zn(II) or Cd(II) were prepared and characterised by elemental analysis, IR-, electronic spectral- and magnetic studies and X-ray diffraction techniques. The polymeric nature of the complexes through hydrazine bridges and octahedral geometry around the metal ions were established. The thermal reactivity of the Co(II) complex was ascertained by thermogravimetric(TG) technique. The decomposition was subjected to kinetic analysis using Coats-Redfern, Horowitz-Metzger- and MacCallum- Tanner equations.

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