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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Karimi-Maleh, Hassan Hatami, Mehdi Ensafi, Ali A. Moazampour, Mahbobeh Mallakpour, Shadpour |
| Description | Author Affiliation: Karimi-Maleh H ( Department of Chemistry, Graduate University of Advanced Technology, Kerman, Iran, h.karimi.maleh@gmail.com.) |
| Abstract | In this study, we report preparation of a high sensitive electrochemical sensor for determination of hydrazine in the presence of phenol in water and wastewater samples. In the first step, we describe synthesis and characterization of ZnO/CNTs nanocomposite with different methods such as transmission electron microscopy (TEM) and X-ray diffraction (XRD). In the second step, application of the synthesis nanocomposite describes the preparation of carbon paste electrode modified with N-(4-hydroxyphenyl)-3,5-dinitrobenzamide as a high sensitive and selective voltammetric sensor for determination of hydrazine and phenol in water and wastewater samples. The mediated oxidation of hydrazine at the modified electrode was investigated by cyclic voltammetry, chronoamperometry, and electrochemical impedance spectroscopy (EIS). Also, the values of catalytic rate constant (k) and diffusion coefficient (D) for hydrazine were calculated. Square wave voltammetry (SWV) of hydrazine at the modified electrode exhibited two linear dynamic ranges with a detection limit (3σ) of 8.0 nmol L(-1). SWV was used for simultaneous determination of hydrazine and phenol at the modified electrode and quantitation of hydrazine and phenol in some real samples by the standard addition method. |
| ISSN | 09441344 |
| Issue Number | 9 |
| Volume Number | 21 |
| e-ISSN | 16147499 |
| Journal | Environmental Science and Pollution Research |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-05-01 |
| Publisher Place | Germany |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Environmental Monitoring Instrumentation Hydrazines Analysis Nanocomposites Chemistry Phenol Waste Water Water Pollutants, Chemical Carbon Dielectric Spectroscopy Electrodes Methods Limit Of Detection Oxidation-reduction Water X-ray Diffraction Journal Article Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Health, Toxicology and Mutagenesis Pollution Medicine |
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