XJIPC OpenIR  > 省部共建新疆特有药用资源利用重点实验室
Polysulfide/Graphene Nanocomposite Film for Simultaneous Electrochemical Determination of Cadmium and Lead Ions
Jiang, RY (Jiang, Ruyuan)[ 1,2 ]; Liu, NT (Liu, Niantao)[ 1,2 ]; Su, YH (Su, Yuhong)[ 2 ]; Gao, SS (Gao, Sanshuang)[ 1 ]; Mamat, X (Mamat, Xamxikamar)[ 1 ]; Wagberg, T (Wagberg, Thomas)[ 3 ]; Li, YT (Li, Yongtao)[ 1 ]; Hu, X (Hu, Xun)[ 4 ]; Hu, GZ (Hu, Guangzhi)[ 1,3 ]
2018
Source PublicationNANO
ISSN1793-2920
Volume13Issue:8Pages:1-12
Abstract

An integrative electroanalytical method was developed for detecting Cd2+ and Pb2+ ions in aqueous solutions. Polysulfide/graphene (RGO-S) nanocomposites were prepared and their performance as electrochemical sensors for Cd2+ and Pb2+ was evaluated. The RGO-S nanocomposite was carefully characterized by scanning electron microscopy with energy-dispersive X-ray spectrometry, transmission electron microscopy, and X-ray photoelectron spectroscopy. The as-prepared RGO-S was incorporated into a pyrolytic graphite electrode (RGO-S/PGE) and used for detecting trace amount of Cd2+ and Pb2+ by differential pulse anodic stripping voltammetry. Under optimal conditions, the stripping peak current of RGO-S/PGE varies linearly with heavy metal ion concentration in the ranges 2.0-300 mu g L-1 for Cd2+ and 1.0-300 mu g L-1 for Pb2+. The limits of detection for Cd2+ and Pb2+ were estimated to be about 0.67 mu g L-1 and 0.17 mu g L-1, respectively. The prepared electrochemical heavy-metal-detecting electrode provides good repeatability and reproducibility with high sensitivity, making it a suitable candidate for monitoring Cd2+ and Pb2+ concentrations in aqueous environmental samples.

KeywordGraphene Polysulfide Cd2++++ Pb2++++ Simultaneous Determination Sensor
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/5560
Collection省部共建新疆特有药用资源利用重点实验室
Corresponding AuthorMamat, X (Mamat, Xamxikamar)[ 1 ]; Hu, GZ (Hu, Guangzhi)[ 1,3 ]
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, State Key Lab Basis Xinjiang Indigenous Med Plant, Key Lab Chem Plant Resources Arid Reg, Urumqi 830011, Peoples R China
2.Xinjiang Univ, Coll Chem & Chem Engn, Minist Educ & Autonomous Reg, Key Lab Oil Gas Fine Chem Engn, Urumqi 830046, Peoples R China
3.Umea Univ, Dept Phys, S-90187 Umea, Sweden
4.Univ Jinan, Sch Mat Sci & Engn, Jinan 250022, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Jiang, RY ,Liu, NT ,Su, YH ,et al. Polysulfide/Graphene Nanocomposite Film for Simultaneous Electrochemical Determination of Cadmium and Lead Ions[J]. NANO,2018,13(8):1-12.
APA Jiang, RY .,Liu, NT .,Su, YH .,Gao, SS .,Mamat, X .,...&Hu, GZ .(2018).Polysulfide/Graphene Nanocomposite Film for Simultaneous Electrochemical Determination of Cadmium and Lead Ions.NANO,13(8),1-12.
MLA Jiang, RY ,et al."Polysulfide/Graphene Nanocomposite Film for Simultaneous Electrochemical Determination of Cadmium and Lead Ions".NANO 13.8(2018):1-12.
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