Voltammetric determination of Nordiazepam at meniscus modified silver solid amalgam electrode
Department of Chemistry, Faculty of Science, University of Ostrava, 30. dubna 22, 701 03 Ostrava, Czech Republic
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Abstract: New electrochemical method for determination of Nordiazepam (NDZ) at meniscus modified silver solid amalgam electrode (m-AgSAE) was developed utilizing differential pulse voltammetry (DPV). The pH effect on the current response of NDZ was studied in the mixture of Britton-Robinson buffer (BR) and methanol (9:1) with optimum pH value of 10. The calibration dependences were examined under the optimal conditions and linearity in the range from 2x10−6 to 1x10−4 mol L−1 with limit of quantification of 1.7x10−6 mol L−1 were accomplished.
Keywords: meniscus modified silver solid amalgam electrode, differential pulse voltammetry, Nordiazepam
Full paper in Portable Document Format: acs_0194.pdf
Acta Chimica Slovaca, Vol. 7, No. 2, 2014, pp. 105—108, DOI: 10.2478/acs-2014-0018