Electrochemical detection of aniline: an electrochemically initiated reaction pathway
The electrochemically initiated reaction of aromatic amines with catechol has been examined as a facile route to the electrochemical determination of the former. The effects of the different structural isomers of sulfanilic acid on the analytical system has been studied and appraised. The report ill...
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| Veröffentlicht in: | Talanta (Oxford) 2002-05, Vol.57 (2), p.233-242 |
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| creator | Hugo Seymour, E. Lawrence, Nathan S. Beckett, Emma L. Davis, James Compton, Richard G. |
| description | The electrochemically initiated reaction of aromatic amines with catechol has been examined as a facile route to the electrochemical determination of the former. The effects of the different structural isomers of sulfanilic acid on the analytical system has been studied and appraised. The report illustrates how by varying oxidation times of the catechol species or by increasing the number of repetitive voltammetric scans from one to four the analytical parameters (linear range and limit of detection) can be improved. The results provide a linear detection range of 2–40 μM for aniline with a corresponding limit of detection of 1.4 μM. The efficacy of the approach has been shown by a 99.5% (RSD=5.5%,
N=5) recovery of 2.47 μM spiked aniline in river water. |
| doi_str_mv | 10.1016/S0039-9140(02)00020-6 |
| format | Article |
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| ispartof | Talanta (Oxford), 2002-05, Vol.57 (2), p.233-242 |
| issn | 0039-9140 1873-3573 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Analytical chemistry Aniline Aromatic amines Catechol Chemistry Electrochemical methods Electrochemistry Exact sciences and technology Sulfanilic acid |
| title | Electrochemical detection of aniline: an electrochemically initiated reaction pathway |
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