Investigations on the redox behaviour of manganese in manganese(II)–saccharin and manganese(II)–saccharin–1,10-phenanthroline complexes

The redox behaviour of manganese system in Mn–Sac and Mn–Sac–Phen complexes were studied using cyclic voltammetry technique at glassy carbon electrode (GCE) in 0.1M KCl electrolyte. The CV of Mn–Sac solution is more or less similar to that of uncoordinated Mn (in MnCl2) accept slight difference in p...

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Bibliographic Details
Published in:Journal of Saudi Chemical Society 2009-07, Vol.13 (2), p.177-183
Main Authors: Islam, Gazi Jahirul, Naseem Akhtar, H.M., Mamun, M.A., Ehsan, M.Q.
Format: Article
Language:English
Subjects:
Manganese oxides
Phenanthroline
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Summary:The redox behaviour of manganese system in Mn–Sac and Mn–Sac–Phen complexes were studied using cyclic voltammetry technique at glassy carbon electrode (GCE) in 0.1M KCl electrolyte. The CV of Mn–Sac solution is more or less similar to that of uncoordinated Mn (in MnCl2) accept slight difference in peak position and peak current. The presence of secondary ligand phenanthroline (in Mn–Sac–Phen complex) changes the CV of Mn system largely compared to those of uncoordinated Mn and Mn–Sac. The redox system is irreversible in Mn–Sac and quasi-reversible in Mn–Sac–Phen complex. The effect of concentration and pH on the redox behaviour of Mn system have been studied for both the complexes.
ISSN:1319-6103
DOI:10.1016/j.jscs.2009.05.002