Highly sensitive determination of promazine in pharmaceutical and biological samples using a ZnO nanoparticle-modified ionic liquid carbon paste electrode

被引：0
|
作者：
Vahid Arabali [1 ]
Mahmoud Ebrahimi [1 ]
Hassan Karimi-Maleh [2 ]
机构：
[1] Department of Chemistry, Mashhad Branch, Islamic Azad University
[2] Department of Chemistry, Graduate University of Advanced Technology
来源：
Chinese Chemical Letters | 2016年 / 27卷 / 05期
关键词：
Promazine; ZnO nanoparticle; Ionic liquid; Modified electrode;
D O I：
暂无
中图分类号：
O657.1 [电化学分析法];
学科分类号：
摘要：
In this work we describe the first report for the determination of promazine using a nanostructuremodified ionic liquid carbon paste electrode in aqueous solutions. To achieve this goal, a novel modified carbon paste electrode using ZnO nanoparticles and 1-methyl-3-butylimidazolium bromide as a binder(ZnO/NPs/ILs/CPE) was fabricated. The oxidation peak potential of promazine at the surface of the ZnO/NPs/ILs/CPE appeared at 685 m V, which was about 65 m V lower than the oxidation potential at the surface of CPE under similar conditions. Also, the peak current was increased to about 4.0 times higher at the surface of ZnO/NPs/ILs/CPE compared to that of CPE. The linear response range and detection limit were found to be 0.08–450 and 0.04 mmol/L, respectively. The modified electrode was successfully used for the determination of promazine in real samples with satisfactory results.
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页码：779 / 782
页数：4
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