Thermal decompostion studies on nickel(II) bis(oxalato)nickelate(II) pentahydrate

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1990 English Publisher:Springer Science and Business Media LLCJournal:Journal of Thermal Analysis, volume 36, pages 465-472 (issn: 0368-4466, eissn: 1572-8943,

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Authors: N. Deb; P. K. Gogoi; N. N. Dass;

doi: 10.1007/bf01914500

Thermal decompostion studies on nickel(II) bis(oxalato)nickelate(II) pentahydrate

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Abstract

The paper describes the synthesis and thermal decomposition of nickel(II)bis(oxalato)nickelate(II)pentahydrate, Ni[Ni(C2O4)2].5H2O. The complex was characterized by elemental analysis, infrared, electronic, e.s.r., magnetic moment measurement and X-ray powder diffraction studies. The thermal decompostion of the complex led to NiO in air at about 338° and in nitrogen at about 720°. The activation energies (E*) for the dehydration and decompostion reactions in air and nitrogen were evaluated. Tentative reaction mechanisms have been suggested for the termal decompostion of the complex in air and nitrogen.

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Dibrugarh University
India

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