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Electrooxidation of p-nitrophenol on organobentonite modified electrodes
Abstract A natural bentonite, modified with different quaternary ammonium cations, hexadecyl trimethylammonium, (HDTMA), dodecyl trimethylammonium (DTMA) and tetramethylammonium (TMA), was used as an electrode material in a p-nitrophenol (p-NP) electrooxidation. On the basis of electrochemical response, TMA-modified bentonite (TMA-B) electrode was chosen for further investigations. The influence of TMA loading on the electrochemical properties of the TMA-B electrodes toward p-NP electrooxidation was examined. Electrode sensitivity toward p-NP was performed. The detection limit for p-NP of 1·10−6 moldm−3 was obtained.
Highlights HDTMA, DDTMA and TMA bentonites were tested in the electrooxidation of p-NP. TMA-bentonite proved to be the best electrode material among the tested organobentonites. The influence of TMA loading in organobentonite was investigated. The highest signal toward p-NP was obtained for 0.2 TMA-B (TMA loading equal to 20% of CEC).
Electrooxidation of p-nitrophenol on organobentonite modified electrodes
Abstract A natural bentonite, modified with different quaternary ammonium cations, hexadecyl trimethylammonium, (HDTMA), dodecyl trimethylammonium (DTMA) and tetramethylammonium (TMA), was used as an electrode material in a p-nitrophenol (p-NP) electrooxidation. On the basis of electrochemical response, TMA-modified bentonite (TMA-B) electrode was chosen for further investigations. The influence of TMA loading on the electrochemical properties of the TMA-B electrodes toward p-NP electrooxidation was examined. Electrode sensitivity toward p-NP was performed. The detection limit for p-NP of 1·10−6 moldm−3 was obtained.
Highlights HDTMA, DDTMA and TMA bentonites were tested in the electrooxidation of p-NP. TMA-bentonite proved to be the best electrode material among the tested organobentonites. The influence of TMA loading in organobentonite was investigated. The highest signal toward p-NP was obtained for 0.2 TMA-B (TMA loading equal to 20% of CEC).
Electrooxidation of p-nitrophenol on organobentonite modified electrodes
Rabi-Stanković, A. Abu (author) / Mojović, Z. (author) / Milutinović-Nikolić, A. (author) / Jović-Jovičić, N. (author) / Banković, P. (author) / Žunić, M. (author) / Jovanović, D. (author)
Applied Clay Science ; 77-78 ; 61-67
2013-04-04
7 pages
Article (Journal)
Electronic Resource
English
Electrooxidation of p-nitrophenol on organobentonite modified electrodes
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