B. Marichamy, M.R. Paramaguru, N. Ramalakshmi
B. Marichamy, M.R. Paramaguru, N. Ramalakshmi*
Post Graduate and Research Department of Chemistry,
Presidency College (Autonomous), Chennai, Tamil Nadu, India
Volume - 7,
Issue - 2,
Year - 2014
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.