Electrocatalysis and determination of pyridine-2-aldoxime methochloride using carbon nanotube-modified gold electrode

Author(s): T. Jos ; S. Issac ; R. Joseph ; L. Rajith ; K. Girish Kumar
DOI: 10.1049/mnl.2012.0527

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Author(s): T. Jos ¹ ; S. Issac ¹ ; R. Joseph ¹ ; L. Rajith ¹ ; K. Girish Kumar ¹
- Affiliations: 1: Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, India
Source: Volume 7, Issue 8, August 2012, p. 854 – 858
DOI: 10.1049/mnl.2012.0527 , Online ISSN 1750-0443

A multi-walled carbon nanotube-modified gold electrode (MWCNT/Au) was prepared and its external morphology was characterised by scanning electron microscope and surface area study. The electrochemical behaviour of pyridine-2-aldoxime methochloride (PAM chloride) at this electrode was examined by square wave voltammetry. At the MWCNT/Au electrode, PAM chloride exhibited a well-defined anodic peak at 584 mV in pH 8 phosphate buffer solution with a 15 times enhancement in anodic peak current. The peak current was linear to PAM chloride concentration over the range of 8×10⁻⁷–1×10⁻⁵ M with a detection limit of 1×10⁻⁷ M. The MWCNT/Au electrode showed good stability, selectivity and can be used to quantify PAM chloride in a urine sample.

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Electrocatalysis and determination of pyridine-2-aldoxime methochloride using carbon nanotube-modified gold electrode

Electrocatalysis and determination of pyridine-2-aldoxime methochloride using carbon nanotube-modified gold electrode

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