Prussian blue/ superactivated carbon composite-modified electrode for detection of <em>p</em>-phenylenediamine
IR@NISCAIR: CSIR-NISCAIR, New Delhi - ONLINE PERIODICALS REPOSITORY (NOPR)
View Archive Info| Field | Value | |
| Title |
Prussian blue/ superactivated carbon composite-modified electrode for detection of <em>p</em>-phenylenediamine
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| Creator |
Hu, Lin
Li, Jin qing Zhou, Xiao qin Bai, Tong tong Cui, Qu jin Tang, Juan Xu, Wen yuan |
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| Subject |
Electroanalytical chemistry
Electrodes Modified electrodes Glassy carbon electrodes Superactivated carbon Cyclic voltammetry <em>p-</em>Phenylenediamine Prussian blue |
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| Description |
896-904
A novel approach for the selective determination of <em>p-</em>phenylenediamine in aqueous solution using Prussian blue (PB)/ superactivated carbon (SAC) composite-modified glassy carbon electrodes is reported. The chemical constitution and microstructure of PB/SAC composites are studied by SEM, BET and IR data. Due to its unique structure and properties originating from Prussian blue in the superactivated carbon frame, PB/SAC composites show high electrocatalytic activity towards the oxidation of <em>p-</em>phenylenediamine. A special chemical reaction and electron transfer process on the surface of PB/SAC composite-modified GC electrode is proposed and evaluated by cyclic voltammetry and AC impedance in the presence of <em>p</em>-phenylenediamine. The current value of differential pulse voltammetry increases linearly with the <em>p-</em>phenylenediamine concentration in the range 2×10<sup>-7</sup>−1×10<sup>-3 </sup>M with a detection limit of 6.47×10<sup>-8</sup> M (<em>S</em>/<em>N</em> = 3). The relative standard deviation of the waste water samples is < 6% and the recovery rate is 97−104%. These results suggest that the modified electrode has high selection for <em>p-</em>phenylenediamine, good repeatability, and operational stability. The modified electrode has been successfully used to analyze the amount of <em>p</em>-phenylenediamine in water samples. |
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| Date |
2018-07-23T05:54:57Z
2018-07-23T05:54:57Z 2018-07 |
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| Type |
Article
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| Identifier |
0975-0975(Online); 0376-4710(Print)
http://nopr.niscair.res.in/handle/123456789/44742 |
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| Language |
en_US
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| Rights |
<img src='http://nopr.niscair.res.in/image/cc-license-sml.png'> <a href='http://creativecommons.org/licenses/by-nc-nd/2.5/in' target='_blank'>CC Attribution-Noncommercial-No Derivative Works 2.5 India</a>
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| Publisher |
NISCAIR-CSIR, India
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| Source |
IJC-A Vol.57A(07) [July 2018]
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