Hydroxylamine Electrochemical Sensor Based on a Modified Carbon Nanotube Paste Electrode: Application to Determination of Hydroxylamine in Water Samples

被引：0

作者：

Foroughi, Mohammad Mehdi ^{[1
]}

Beitollahi, Hadi ^{[2
]}

Tajik, Somayeh ^{[3
]}

Hamzavi, Mozhdeh ^{[4
]}

Parvan, Hekmat ^{[2
]}

机构：

[1] Islamic Azad Univ, Bardsir Branch, Dept Chem, Tehran, Iran

[2] Grad Univ Adv Technol, Dept Environm, Inst Sci & High Technol & Environm Sci, Kerman, Iran

[3] Shahid Bahonar Univ Kerman, Dept Chem, Kerman, Iran

[4] Grad Univ Adv Technol, Dept Chem, Kerman, Iran

来源：

INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE | 2014年 / 9卷 / 06期

关键词：

Hydroxylamine; Carbon Paste Electrode; Carbon Nanotubes; Square Wave Voltammetry; Electrochemical Sensor; SELECTIVE VOLTAMMETRIC DETERMINATION; FOLIC-ACID; URIC-ACID; ELECTROCATALYTIC DETERMINATION; ASCORBIC-ACID; 2,7-BIS(FERROCENYL ETHYL)FLUOREN-9-ONE; SENSITIVE DETERMINATION; GOLD NANOPARTICLES; CATALYTIC INVESTIGATIONS; COMPOSITE ELECTRODE;

D O I：

暂无

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrochemical behaviors of hydroxylamine at the benzoylferrocene modified carbon nanotubes paste electrode (BFCNPE) have been studied. The modified electrode shows an excellent electrocatalytic activity for the oxidation of hydroxylamine and accelerates electron transfer rate. The electrocatalytic currents increased linearly with the hydroxylamine concentration in the ranges of 0.9-400.0 mu M and the detection limit for hydroxylamine was 0.1 mu M. The diffusion coefficient and the kinetic parameters such as the electron transfer coefficient and the heterogeneous rate constant for hydroxylamine were determined using electrochemical approaches. Finally, the method was employed for the determination of hydroxylamine in water samples.

引用

页码：2955 / 2965

页数：11

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