Application of stripping voltammetry to the determination of guanethidine

被引：2
|
作者：
Kasim, EA [1 ]
Ghandour, MA
El-Haty, MT
Ahmed, MM
机构：
[1] Assiut Univ, Dept Chem, Fac Educ, El Kharga Oasis, Egypt
[2] Assiut Univ, Fac Sci, Dept Chem, Assiut 71516, Egypt
[3] S Valley Univ, Dept Chem, Fac Sci, Aswan, Egypt
来源：
MONATSHEFTE FUR CHEMIE | 2002年 / 133卷 / 11期
关键词：
stripping voltammetry; hanging mercury drop electrode; cyclic voltammetry; guanethidine;
D O I：
10.1007/s00706-002-0483-x
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Adsorptive stripping voltammetry for the determination of guanethidine is employed. The drug is adsorbed onto the hanging mercury drop electrode, and the reduction current of the accumulated drug is measured by scanning the potential in the cathodic direction. The adsorption and redox behaviour are explored by cyclic voltammetry. Optimum experimental conditions include preconcentration potential, solution pH, potential scan rate, and preconcentration time. A detection limit of guanethidine of 0.992ng/cm(3) was obtained.
引用
收藏
页码：1397 / 1404
页数：8
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