Tehran University of Medical Sciences

Science Communicator Platform

Stay connected! Follow us on X network (Twitter):
Share By
Highly Sensitive Voltammetric Sensor for Determination of Ascorbic Acid Using Graphite Screen Printed Electrode Modified With Zno/Al2o3 Nanocomposite Publisher



Ganjali MR1, 2 ; Nejad FG3 ; Beitollahi H4 ; Jahani S4 ; Rezapour M5 ; Larijani B6
Authors

Source: International Journal of Electrochemical Science Published:2017


Abstract

A sensitive and selective voltammetric sensor based on graphite screen printed electrode modified by ZnO/Al2O3 nanocomposite for the detection of ascorbic acid has been successfully developed. The electrochemical behavior of prepared electrode for the determination of ascorbic acid was systematically investigated by cyclic voltammetry (CV) and differential pulse voltammetry (DPV). Under optimum conditions, the modified electrode exhibits linear responses to ascorbic acid in the ranges 1.0-100 μM, with detection limits (S/N = 3) calculated to be 0.6 μM. Finally, the developed sensor was successfully applied to the detection of ascorbic in real samples. © 2017 The Authors.
Other Related Docs