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Suhad Kareem Abass
Department of Chemistry, College of Science, University of Kerbala, Kerbala 56001, Iraq
Chemical Engineering, Chemistry & Bioengineering Chemistry

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Preparation, Characterization and Study of the Photodecolorization of Mixed-Ligand Binuclear Co(II) Complex of Schiff Base by ZnO Suhad Kareem Abass; Jassim Abbas Al-Hilfi; Sawsan Khudhair Abbas; Luma Majeed Ahmed
Indonesian Journal of Chemistry Vol 20, No 2 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2284.1 KB) | DOI: 10.22146/ijc.44192

Abstract

In this work, a new mixed-ligand binuclear Co(II) complex of Schiff base was prepared. Moreover, the characterization of this prepared complex was performed by measurement of melting points, UV-Vis spectra, FT-IR spectra, and magnetic susceptibility measurements, and later compared with metal and ligand solutions. It has been discovered that the Schiff bases with Co(II) ion forms a binuclear complex with a stoichiometry of molar ratio 1:2 from “metal:ligand”. The photodecolorization of this complex was done under UV light for ZnO's suspension solution. The results of this photodecolorization showed that the greatest efficiency was obtained with the use of ZnO dose of 300 mg/100 mL and at an initial pH of 7. The decolorization activation energy for this complex is a small value of 11.289 kJ mol–1. Additionally, the thermodynamic study for this reaction is non-spontaneous, endothermic and less random.
Co-Authors Jassim Abbas Al-Hilfi Luma Majeed Ahmed Sawsan Khudhair Abbas