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Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers
Gao, SS (Gao, Sanshuang); Liu, J (Liu, Jing); Luo, J (Luo, Jun); Mamat, X (Mamat, Xamxikamar); Sambasivam, S (Sambasivam, Sangaraju); Li, YT (Li, Yongtao); Hu, X (Hu, Xun); Wagberg, T (Wagberg, Thomas); Hu, GZ (Hu, Guangzhi)
2018
Source PublicationMICROCHIMICA ACTA
ISSN0026-3672
Volume185Issue:6Pages:1-9
Abstract

Porous carbon nanofibers codoped with nitrogen and sulfur (NFs) were prepared by pyrolysis of trithiocyanuric acid, silica nanospheres and polyacrylonitrile (PAN) followed by electrospinning. The NFs were used to modify a glassy carbon electrode (GCE) which then displayed highly sensitive response to traces of Cd(II). Compared to a bare GCE and a Nafion modified GCE, the GCE modified with codoped NFs shows improved sensitivity for Cd(II) in differential pulse anodic sweep voltammetry. The stripping peak current (typically measured at 0.81 V vs. Ag/AgCl) increases linearly in the 2.0-500 mu g center dot L-1 Cd(II) concentration range. This is attributed to the large surface area (109 m(2) center dot g(-1)), porous structure, and high fraction of heteroatoms (19 at.% of N and 0.75 at.% of S). The method was applied to the determination of Cd(II) in (spiked) tap water where it gave recoveries that ranged between 96% and 103%.

KeywordElectrospinning Differential Pulse Anodic Sweep Voltammetry Electrochemical Sensor Electroanalysis Heavy Metals Tap Water Analysis
DOI10.1007/s00604-018-2818-2
Indexed BySCI
WOS IDWOS:000431825600002
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5400
Collection省部共建新疆特有药用资源利用重点实验室
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Key Lab Chem Plant Resources Arid Reg, State Key Lab Basis Xinjiang Indigenous Med Plant, Urumqi 830011, Peoples R China
2.Anhui Univ Sci & Technol, Sch Mat Sci & Engn, Huainan 232001, Peoples R China
3.Tianjin Univ Technol, Inst New Energy Mat & Low Carbon Technol, Sch Mat Sci & Engn, Ctr Electron Microscopy, Tianjin 300384, Peoples R China
4.Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China
5.Umea Univ, Dept Phys, S-90187 Umea, Sweden
Recommended Citation
GB/T 7714
Gao, SS ,Liu, J ,Luo, J ,et al. Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers[J]. MICROCHIMICA ACTA,2018,185(6):1-9.
APA Gao, SS .,Liu, J .,Luo, J .,Mamat, X .,Sambasivam, S .,...&Hu, GZ .(2018).Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers.MICROCHIMICA ACTA,185(6),1-9.
MLA Gao, SS ,et al."Selective voltammetric determination of Cd(II) by using N,S-codoped porous carbon nanofibers".MICROCHIMICA ACTA 185.6(2018):1-9.
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