ISSN

0974-4150 (Online)
0974-4169 (Print)


Author(s): B. Marichamy, M.R. Paramaguru, N. Ramalakshmi

Email(s): rrama_subhar@yahoo.co.in

DOI: Not Available

Address: B. Marichamy, M.R. Paramaguru, N. Ramalakshmi*
Post Graduate and Research Department of Chemistry, Presidency College (Autonomous), Chennai, Tamil Nadu, India
*Corresponding Author

Published In:   Volume - 7,      Issue - 2,     Year - 2014


ABSTRACT:
L-cysteine (ligand) modified Wax Impregnated Graphite Electrode (WIGE) is used for detection of copper ions in aqueous solution. The L-cysteine modified WIGE is characterized by scanning electron microscopy and energy dispersive X-ray analysis. The electrochemical behavior of copper ions on L-Cysteine modified WIGE is studied through scan rate effect and pH study. The results indicated that cyclic voltammetric peak currents have a linear relationship with scan rate. The detection limit could be estimated as 5x10-5mM for Cu(II) ion by cyclic voltammetric method. The interference study is performed for equal molar concentrations of Cu(II), Cd(II) and Hg(II) ion on ligand modified WIGE. The diffusion co-efficient values for copper on electrode surface is calculated from chronocoulometry method.


Cite this article:
B. Marichamy, M.R. Paramaguru, N. Ramalakshmi. Characterization of L-cysteine modified Wax Impregnated Graphite Electrode and used for the Cyclic Voltammetry Analysis of Copper. Asian J. Research Chem. 7(2): February 2014; Page 194-199.


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