期刊
ELECTROANALYSIS
卷 34, 期 11, 页码 1789-1801出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.202200086
关键词
2-nitrophenol; Palm oil fiber; Aminoalcohol-functionalization; Modified carbon paste electrode; Voltammetry
资金
- International Foundation for Science (IFS)
- Organisation for the Prohibition of Chemical Weapons (OPCW) [W/5859-1]
- World Academy of Sciences [RGA 19-257 RG/CHE/AF/AC_G-FR3240310134]
In this study, a simple and fast electrochemical method based on aminoalcohol-functionalized palm oil fiber modified carbon paste electrode was developed for the electroanalysis of 2-nitrophenol. The modified electrode showed a more sensitive response towards the reduction of 2-nitrophenol and allowed for the detection of low concentrations. The sensor was selective and successfully applied to the detection of 2-nitrophenol in real water samples.
A simple and fast electrochemical method based on aminoalcohol-functionalized palm oil fiber modified carbon paste electrode (TEA-POF/CPE) has been used for the electroanalysis of 2-nitrophenol (2-NP). The aminoalcohol-functionalized palm oil fiber (TEA-POF) was prepared by chemical grafting of triethanolamine (TEA) onto the surface of alkali material. The grafted material was characterized by some physico-chemical techniques. The electrochemical results showed that the TEA-POF/CPE exhibited more sensitive response towards the 2-NP reduction and allowed to estimate a low detection limit of 1.26 mu M (S/N=3). Finally, the sensor has been selective and successfully applied to the 2-NP detection in real water samples.
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