alexa Determination of the Herbicide Fenclorim by Adsorptive Stripping Voltammetry at Carbon Nano Tubes Paste Electrodes (CNTPE) | OMICS International | Abstract
ISSN: 2090-4568

Journal of Advanced Chemical Engineering
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Research Article

Determination of the Herbicide Fenclorim by Adsorptive Stripping Voltammetry at Carbon Nano Tubes Paste Electrodes (CNTPE)

Raveendranath Babu T, Raja Sekhar Reddy S* and Sujana P

Electro Analytical Lab, Department of Chemistry, N.B.K.R. Science and Arts College, Vidyanagar, Nellore, 524413 Andra Pradesh, India

*Corresponding Author:
S Raja Sekhar Reddy
Department of chemistry, Electro analytical lab
N.B.K.R science and arts college, Vidyanagar
Nellore dist., Andhra Pradesh, India
Tel: 9493234699
E-mail: [email protected]

Received Date:March 17, 2014; Accepted Date:July 04, 2014; Published Date:July 11, 2014

Citation: Raveendranath Babu T, Raja Sekhar Reddy S, Sujana P (2014) Determination of the Herbicide Fenclorim by Adsorptive Stripping Voltammetry at Carbon Nano Tubes Paste Electrodes (CNTPE). J Adv Chem Eng 4:109. doi:10.4172/2090-4568.1000109

Copyright: © 2014 Raveendranath Babu T, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

In this investigation a sensitive method for the determination of the herbicide fenclorim by adsorptive stripping voltammetry (AdSV) at carbon nano tubes paste electrodes (CNTPE) at pH 4.0 was described. The cyclic voltammograms demonstrate the adsorption of these compounds at the working electrode. A symmetric study of the various operational parameters such as Accumulation potential (-0.8V) and (60s) accumulation time that affect the stripping response was carried out by differential pulse voltammetry. Universal buffer with pH range 2.0-6.0 used as supporting electrolyte. The peak heights are in linear trend over the concentration range of 1.0 x 10 -8 to 1.0 x 10 -5 M. The relative standard deviation and correlation coefficient for fenclorim was 0.97% and 0.998 respectively. The lower detection limit for fenclorim was 0.92×10 -7 M. The degree of interference of some other pesticides on the differential pulse adsorptive stripping signal for fenclorim was evaluated. Finally the proposed method was applied for determination of fenclorim ingrains (wheat and rice) and water samples.

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