Characterization and Thermodynamics of a Natural Mineral Dye-Based Chromium Complex Dye on Cotton Fabric

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dc.contributor.authorAdebayo, G.B.
dc.contributor.authorOrimolade, B.O.
dc.contributor.authorAdegoke, H.I.
dc.contributor.authorSaliu, O.D.
dc.contributor.authorAjetomobi, O.O.
dc.date.accessioned2019-10-16T13:39:40Z
dc.date.available2019-10-16T13:39:40Z
dc.date.issued2019
dc.description.abstractTransition metal complex of a bisazo dye derived from p-phenylenediamine extracted from a natural mineral dye and p-nitroaniline was synthesized with the azo dye acting as ligand for the metal complex dye. The ligand, azo dye and the metal complex were characterized using UV-visible spectroscopy, IR spectroscopy and GC-MS. The IR spectroscopy of both the ligand and the complex reveal the presence of azo group (N=N) at 1597 cm-1, N-O at 1384 cm-1 and other Metal-Ligand (M-L) bonds at 418 cm-1. The results were used to establish the type of metal complex formed to be 1:1 (metal: ligand) and possible structure of the complex was proposed. The metal complex dye was applied on cotton fabric and the thermodynamics parameters of the dyeing process were determined. These parameters included the enthalpy change which was -58.94 KJmol-1 and the entropy which was 0.159 KJmol-1. The thermodynamics studies of the dye showed that the dye has high substantivity and fastness that can be useful in dyeing fabric.en_US
dc.identifier.issn2488-8834
dc.identifier.urihttp://hdl.handle.net/123456789/2632
dc.language.isoenen_US
dc.subjectMineral dyeen_US
dc.subjectp-phenylenediamineen_US
dc.subjectbisazlo dye,en_US
dc.subjectmetal complex, cotton fabricen_US
dc.titleCharacterization and Thermodynamics of a Natural Mineral Dye-Based Chromium Complex Dye on Cotton Fabricen_US
dc.typeArticleen_US

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