High performance cypermethrin pesticide detection using anatase TiO2-carbon paste nanocomposites electrode

Muhammad Nurdin, Maulidiyah Maulidiyah, La Ode Agus Salim, Muhammad Zakir Muzakkar, Ali Umar Akrajas

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The role of anatase TiO2 in the performance of carbon paste electrodes (CPE) electrochemical sensors for detection of cypermethrin pesticide has been investigated. It was found that the anatase TiO2-CPE nanocomposites electrode exhibits excellent sensitivity towards the cypermethrin and its sensing sensitivity increases with the increasing of anatase TiO2 concentration and optimum at a concentration of 2 w/w (CPE is ~3 w/w). The detection limit of the nanoelectrode can be down to the level of ~ 0.1 ppm, which is below the maximum residual limits of cypermethrin in the environment (~ 0.5 ppm) and is in the allowed limit for food products (~0.05 to 0.2 ppm). The nanoelectrode is also excellent in the chemical stability with a performance decreasing (%RSD) is only ~0.37% for 11 times repeated measurement. The enhancement of the electron transfer rate in the present of anatase TiO2 in the CPE matrix as the result of excellent physico-chemical properties of anatase TiO2 is considered as the key reason for the enhanced performance. The anatase TiO2-CPE system should find potential application in cypermethrin pesticide monitoring in environment and agricultural products control.

Original languageEnglish
Pages (from-to)756-761
Number of pages6
JournalMicrochemical Journal
Volume145
DOIs
Publication statusPublished - 1 Mar 2019

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Ointments
Pesticides
Nanocomposites
Carbon
Electrodes
Agricultural products
Electrochemical sensors
Chemical stability
Time measurement
Chemical properties
cypermethrin
titanium dioxide
Electrons
Monitoring

Keywords

  • Anatase TiO
  • Carbon paste
  • Chemical sensor
  • Cypermethrin
  • Voltammetric

ASJC Scopus subject areas

  • Analytical Chemistry
  • Spectroscopy

Cite this

High performance cypermethrin pesticide detection using anatase TiO2-carbon paste nanocomposites electrode. / Nurdin, Muhammad; Maulidiyah, Maulidiyah; Salim, La Ode Agus; Muzakkar, Muhammad Zakir; Akrajas, Ali Umar.

In: Microchemical Journal, Vol. 145, 01.03.2019, p. 756-761.

Research output: Contribution to journalArticle

Nurdin, Muhammad ; Maulidiyah, Maulidiyah ; Salim, La Ode Agus ; Muzakkar, Muhammad Zakir ; Akrajas, Ali Umar. / High performance cypermethrin pesticide detection using anatase TiO2-carbon paste nanocomposites electrode. In: Microchemical Journal. 2019 ; Vol. 145. pp. 756-761.
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