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| Content Provider | Springer Nature Link |
|---|---|
| Author | Afzali, Dariush Karimi Maleh, Hassan Khalilzadeh, Mohammad Ali |
| Copyright Year | 2010 |
| Abstract | The determination of hydrazine derivatives is of special interest because they are toxic and widely used in industry, agriculture and explosives. Electrochemical analysis has become of growing importance in industrial process control, environmental monitoring, and different applications in medicine and biotechnology. In the present work, we used a carbon paste electrode modified by ferrocene and carbon nanotubes for simultaneous determination of phenylhydrazine and hydrazine. The modified electrode showed an excellent character for electrocatalytic oxidization of phenylhydrazine and hydrazine with a 310 mV separation of both peaks. Differential pulse voltammetric peak currents of phenylhydrazine and hydrazine increased linearly with their concentrations at the range of 0.85–700 and 16–800 μM, and the detection limits (3σ) were determined to be 0.6 and 14 μM, respectively. Here, we show that this electrode could be used as an electrochemical sensor for determination of phenylhydrazine and hydrazine in real samples (water and urine) with advantages such as short time of analysis, lack of pretreatment procedures and more cheaper in comparison with some routine analysis methods such as chromatography or spectroscopy. The modified electrode showed good reproducibility, remarkable long-term stability, and especially good surface renewability by simple mechanical polishing. |
| Starting Page | 375 |
| Ending Page | 381 |
| Page Count | 7 |
| File Format | |
| ISSN | 16103653 |
| Journal | Environmental Chemistry Letters |
| Volume Number | 9 |
| Issue Number | 3 |
| e-ISSN | 16103661 |
| Language | English |
| Publisher | Springer-Verlag |
| Publisher Date | 2010-05-12 |
| Publisher Place | Berlin, Heidelberg |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Phenylhydrazine Hydrazine Carbon nanotube Electrocatalysis Modified electrode Ferrocene Environmental Chemistry Ecotoxicology Pollution Geochemistry Analytical Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry |
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