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

被引：15

作者：

McGuire, Natasha D. ^{[1
]}

Honeychurch, Kevin C. ^{[1
]}

Hart, John P. ^{[1
]}

机构：

[1] Univ W England, Fac Hlth & Life Sci, Ctr Res Analyt Mat & Sensors Sci, Bristol BS16 1QY, Avon, England

来源：

ELECTROANALYSIS | 2009年 / 21卷 / 19期

关键词：

Adsorptive stripping voltammetry; Benzodiazepine; Beverages; Cyclic voltammetry; Screen-printed electrodes; Medicinal chemistry; FACILITATED SEXUAL ASSAULT; MERCURY DROP ELECTRODE; LIQUID-CHROMATOGRAPHY; TRACE DETERMINATION; DUAL-ELECTRODE; FLUNITRAZEPAM; POLAROGRAPHY; DIAZEPAM; DRUGS; RAPE;

D O I：

10.1002/elan.200904667

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

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 oil 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.

引用

页码：2165 / 2170

页数：6

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