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Rapid Determination of Uranium in Water Samples by Adsorptive Cathodic Stripping Voltammetry Using a Tin-Bismuth Alloy Electrode
Zhang L(张丽); Wang CZ(王聪芝); Wang L(王琳); Zhao YL(赵宇亮); Chai ZF(柴之芳); Shi WQ(石伟群); Zhang, L; Wang, CZ; Tang, HB; Wang, L; Liu, YS; Zhao, YL; Chai, ZF; Shi, WQ
刊名ELECTROCHIMICA ACTA
2015
卷号174页码:925-932
关键词Tin-bismuth alloy electrode Adsorptive cathodic stripping voltammetry Uranium Water sample
学科分类Electrochemistry
DOI10.1016/j.electacta.2015.06.087
通讯作者石伟群
文章类型Article
英文摘要In this work, the tin-bismuth alloy electrode (SnBiE) was used for U(VI) concentration determination for the first time. Compared to the conventional solid electrode (glassy carbon electrode and bismuth bulk electrode), the SnBiE possesses a higher hydrogen overpotential, which indicates that the tin-bismuth alloy can considerably extend the application of potentially available electrode detection systems. Combining with electrochemical behavior analysis and spectrometric measurements as well as theoretical calculation methods, the geometric structures of uranium-cupferron (N-nitrosophenylhydroxylamine) complexes have been revealed and a more detailed electrode mechanism has been proposed. The electroanalysis results show that the optimal sensitivity could be obtained by using diphenylguanidine as the auxiliary reagent. The calibration plot for U(VI) quantification was linear from 0.5 nM to 30 nM with a correlation coefficient of 0.999. In the meanwhile, a detection limit of 0.24 nM was obtained in connection with an accumulation time of 30 s, which is comparable with that of mercury analogues. The practical applications of SnBiE have been tentatively performed for the determination of UO22+ in real water samples and the results were well consistent with those by Inductively Coupled Plasma-Mass Spectrometry (ICP-MS). A very simple, convenient and cheap approach was established for the determination of UO22+ in natural water samples containing surfactants without the otherwise necessity of sample pretreatment, which drastically reduce the analysis time. (C) 2015 Elsevier Ltd. All rights reserved.
类目[WOS]Electrochemistry
收录类别SCI ; CA
WOS记录号WOS:000359873400117
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228654
专题院士_期刊论文
中国科学院高能物理研究所_多学科研究中心
推荐引用方式
GB/T 7714
Zhang L,Wang CZ,Wang L,et al. Rapid Determination of Uranium in Water Samples by Adsorptive Cathodic Stripping Voltammetry Using a Tin-Bismuth Alloy Electrode[J]. ELECTROCHIMICA ACTA,2015,174:925-932.
APA 张丽.,王聪芝.,王琳.,赵宇亮.,柴之芳.,...&Shi, WQ.(2015).Rapid Determination of Uranium in Water Samples by Adsorptive Cathodic Stripping Voltammetry Using a Tin-Bismuth Alloy Electrode.ELECTROCHIMICA ACTA,174,925-932.
MLA 张丽,et al."Rapid Determination of Uranium in Water Samples by Adsorptive Cathodic Stripping Voltammetry Using a Tin-Bismuth Alloy Electrode".ELECTROCHIMICA ACTA 174(2015):925-932.
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