Spectroscopic study of complex compounds of cobalt(III) - nikel(II) with monoethanolamine

doi:10.26565/2220-637X-2017-28-13

Artur O. Zulfigarov National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnical Institute”
Alexander A. Andriiko National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnical Institute”
Sergey V. Kovalchyk
Anatoliy G. Grebenyuk Chuiko Institute of Surface Chemistry of NAS of Ukraine https://orcid.org/0000-0003-1345-5146
Iryna S. Kuzevanova National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnical Institute” https://orcid.org/0000-0002-2066-0378
Vadim A. Potaskalov National Technical University of Ukraine “Igor Sikorsky Kyiv Polytechnical Institute”

DOI: https://doi.org/10.26565/2220-637X-2017-28-13

Keywords: monoethanolamine, heterometal complex cobalt(III)-nikel(II), electronic absorption spectra, visible and ultraviolet regions of the spectrum, infrared spectroscopy

Abstract

The process of stage formation of [Ni(CoЕtm₃)₂](NO₃)₂ in alcohol solutions was studied. Electron spectroscopy in the visible and ultraviolet regions of the spectrum was used to study the passage of the complexation process. Using IR spectroscopy, the basic functional groups were established and the structure of the 2Co-Ni heterometal complex with monoethanolamine was satisfactorily described. The preservation of the coordination environment of cobalt(III) in the synthesis of [Ni(CoЕtm₃)₂](NO₃)₂ from the intracomplex compound Co(III) with monoethanolamine was confirmed.

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