The electrochemical behavior of Nitrazepam at a Screen-Printed Carbon Electrode and Its Determination in Beverages by Adsorptive Stripping Voltammetry

McGuire, N. D., Honeychurch, K. C. and Hart, J. P. (2009) The electrochemical behavior of Nitrazepam at a Screen-Printed Carbon Electrode and Its Determination in Beverages by Adsorptive Stripping Voltammetry. Electroanalysis, 21 (19). pp. 2165-2170. ISSN 1040-0397

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Publisher's URL: http://dx.doi.org/10.1002/elan.200904667

Abstract

The cyclic voltammetric behavior of nitrazepam was investigated at screen-printed carbon electrodes over the range -1.5 V to +1.5 V. Two reduction peaks were observable on the negative scan, at -0.7 V, and -1.2 V using pH 6 buffer. On the return scan a single oxidation peak was obtained at -0.05 V. For quantitative analysis of beverages, we developed an anodic adsorptive stripping voltammetric method which required only dilution with buffer. The identification of nitrazepam and flunitrazepam could be achieved using cyclic voltammetry.

Item Type:Article
Uncontrolled Keywords:adsorptive stripping, voltammetry, benzodiazepine, beverages, cyclic voltammetry, screen-printed electrodes, medicinal chemistry
Faculty/Department:Faculty of Health and Applied Sciences > Department of Biological, Biomedical and Analytical Sciences
ID Code:16638
Deposited By: Dr N. Mcguire
Deposited On:16 Apr 2012 14:50
Last Modified:29 May 2014 14:13

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