Electrochemical Sensors for Heavy Metals Detection in Gracilaria corticata using Multiwalled Carbon Nanotubes Modified Glassy Carbon Electrode
- Authors: Anjuran Vimala 1, Chinnapiyan Vedhi 1
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Affiliations:
- Department of Chemistry, V.O Chidambaram College
- Issue: Vol 74, No 3 (2019)
- Pages: 276-285
- Section: Articles
- URL: https://journals.rcsi.science/1061-9348/article/view/183175
- DOI: https://doi.org/10.1134/S106193481903002X
- ID: 183175
Cite item
Abstract
Electrochemical methods for heavy metals detection have attracted considerable attention due to their simplicity, rapidity and high sensitivity. Voltammetric methods are a valid and very effective alternative for the simultaneous determination of heavy metals. An independent atomic absorption spectroscopic analysis of the seaweed sample was carried out and the results were compared with the World Health Organization permissible limits. The sample was clearly observed in the atomic force microscopic images, characterized by Fourier transform infrared spectroscopy and X-ray diffraction analysis. The electrochemical behavior of heavy metals on a bare glassy carbon electrode and a multiwalled carbon nanotubes modified glassy carbon electrode was studied by cyclic voltammetry, linear sweep anodic voltammetry, square wave anodic voltammetry and differential pulse anodic voltammetry. Very good responses were observed for all the metals when the modified electrode was employed.
About the authors
Anjuran Vimala
Department of Chemistry, V.O Chidambaram College
Email: cvedhi@rediffmail.com
India, Tuticorin, Tamilnadu, 628008
Chinnapiyan Vedhi
Department of Chemistry, V.O Chidambaram College
Author for correspondence.
Email: cvedhi@rediffmail.com
India, Tuticorin, Tamilnadu, 628008
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