eprintid: 11759
rev_number: 2
eprint_status: archive
userid: 1
dir: disk0/00/01/17/59
datestamp: 2023-11-10 03:26:17
lastmod: 2023-11-10 03:26:17
status_changed: 2023-11-10 01:16:04
type: article
metadata_visibility: show
creators_name: Saritha, D.
creators_name: Bhaskar Reddy, A.V.
creators_name: Venu, M.
creators_name: Madhuri, C.
creators_name: Kiranmai, S.
creators_name: Anitha, K.
creators_name: Madhavi, G.
title: Fabrication, characterization and development of a modified poly(Bromocresol purple/multiwalled carbon nanotubes) carbon paste electrode for the determination of sulfanilic acid
ispublished: pub
note: cited By 3
abstract: A sensitive electrochemical sensor was assembled by the electropolymerization of bromocresol purple on the surface of multiwalled carbon nanotubes modified carbon paste electrode i.e., poly(BC/MWCNTs)CPE. The surface network of the newly constructed electrochemical sensor was recorded by scanning electron microscope. The developed sensor has demonstrated improved electrocatalytic activity towards sulfanilic acid detection in presence of 0.1 M phosphate buffer solution at pH 7.5. The experimental parameters including the effect of scan rate, buffer pH and analyte concentration were optimized systematically. A linear relationship was found between the peak currents and analyte concentrations with limit of detection and limit of quantification values 0.98�10-7 M and 3.2�10-7 M respectively, which are significantly lower than the reported methods. The kinetic parameters such as reaction rate constant (ks), charge transfer coefficient (α), total number of electrons transferred (n) were evaluated and found to be 0.269, 3.27 and 2.0 respectively. The results deduced that the modified poly(BC/MWCNTs)CPE provides high sensitivity, good stability, excellent catalytic activity and better reproducibility along with lower limit of detection for the analysis of sulfanilic acid. © 2019 by CEE (Center of Excellence in Electrochemistry).
date: 2019
publisher: Center of Excellence in Electrochemistry, Univ. of Tehran
official_url: https://www.scopus.com/inward/record.uri?eid=2-s2.0-85063051506&partnerID=40&md5=c1d4f9da5a8ddb1e1c029ff976d082e9
full_text_status: none
publication: Analytical and Bioanalytical Electrochemistry
volume: 11
number: 2
pagerange: 123-136
refereed: TRUE
issn: 20084226
citation:   Saritha, D. and Bhaskar Reddy, A.V. and Venu, M. and Madhuri, C. and Kiranmai, S. and Anitha, K. and Madhavi, G.  (2019) Fabrication, characterization and development of a modified poly(Bromocresol purple/multiwalled carbon nanotubes) carbon paste electrode for the determination of sulfanilic acid.  Analytical and Bioanalytical Electrochemistry, 11 (2).  pp. 123-136.  ISSN 20084226