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Sensitive simultaneous determination of nitrophenol isomers at poly (p-aminobenzene sulfonic acid) film modified graphite electrode
Yao, Chuan1; Sun, Hong1; Fu, Hua-Feng1; Tan, Zhi-Cheng2
关键词P-aminobenzene Sulfonic Acid Modified Electrode Nitrophenol Isomers Simultaneous Determination Semi-derivative Voltammetry
刊名ELECTROCHIMICA ACTA
2015-02-20
DOI10.1016/j.electacta.2015.01.043
156页:163-170
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Electrochemistry
研究领域[WOS]Electrochemistry
关键词[WOS]GLASSY-CARBON ELECTRODE ; VOLTAMMETRIC DETERMINATION ; ELECTROCHEMICAL DETECTION ; LIQUID-CHROMATOGRAPHY ; PULSE VOLTAMMETRY ; GRAPHENE OXIDE ; ASCORBIC-ACID ; ECE MECHANISM ; SENSOR ; 4-NITROPHENOL
英文摘要Poly(p-aminobenzene sulfonic acid)-modified graphite electrode [poly(p-ABSA)/GE] was prepared via a straightforward one-step electropolymerization and was employed to investigate the electrochemical behavior of o-nitrophenol (o-NP), m-nitrophenol (m-NP) and p-nitrophenol (p-NP), for the purpose of realizing the simultaneous determination of nitrophenol isomers. Semi-derivative voltammetry (SDV) was adopted to enhance the resolution and sensitivity. Compared with the bare GE, poly(p-ABSA)/GE exhibited excellent electrocatalytic activity towards the oxidation process of the intermediate products of nitrophenol isomers. Thus, o-, m- and p-NP can be clearly identified and successfully separated at 0.119V, -0.125V and 0.027V (vs. saturated calomel electrode). Under the optimized experimental conditions, the linear ranges of the calibration curves were 3 similar to 800 mu mol L-1 for o-NP, and 3 similar to 700 mu mol L-1 for both m-NP and p-NP. In addition, the low detection limits for o-, m- and p-NP were 0.28, 0.5 and 0.3 mu mol L-1, respectively (S/N = 3). The proposed method is novel and has many advantages such as simple, sensitive, selective, reproducible and cost-effective. Therefore, it can be considered a promising sensing platform for direct simultaneous determination of nitrophenol isomers in water samples. (C) 2015 Published by Elsevier Ltd.
语种英语
WOS记录号WOS:000350444600021
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146062
专题中国科学院大连化学物理研究所
作者单位1.Xuchang Univ, Sch Chem & Chem Engn, Xuchang 461000, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
推荐引用方式
GB/T 7714
Yao, Chuan,Sun, Hong,Fu, Hua-Feng,et al. Sensitive simultaneous determination of nitrophenol isomers at poly (p-aminobenzene sulfonic acid) film modified graphite electrode[J]. ELECTROCHIMICA ACTA,2015,156:163-170.
APA Yao, Chuan,Sun, Hong,Fu, Hua-Feng,&Tan, Zhi-Cheng.(2015).Sensitive simultaneous determination of nitrophenol isomers at poly (p-aminobenzene sulfonic acid) film modified graphite electrode.ELECTROCHIMICA ACTA,156,163-170.
MLA Yao, Chuan,et al."Sensitive simultaneous determination of nitrophenol isomers at poly (p-aminobenzene sulfonic acid) film modified graphite electrode".ELECTROCHIMICA ACTA 156(2015):163-170.
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