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In situ Magnesiothermal Synthesis of Mesoporous MgO/OMC Composite for Sensitive Detection of Lead Ions
Shen, HJ (Shen, Hangjia)1; Qin, DF (Qin, Danfeng)1; Li, YZ (Li, Yuzhen)1; Li, SZ (Li, Shouzhu)1; Yang, C (Yang, Chi)1; Yuan, QH (Yuan, Qunhui)1; Wagberg, T (Wagberg, Thomas)1; Hu, GZ (Hu, Guangzhi)1
2016
Source PublicationELECTROANALYSIS
ISSN1040-0397
Volume28Issue:12Pages:2939-2946
Abstract

Mesoporous materials have exceptional properties for application owing to their ability to absorb and interact with guest species. A novel MgO/OMC composite with mesoporous structure was successfully synthesized via in situ magnesiothermic reduction. The structure was confirmed by N-2 sorption isotherms, X-ray diffraction pattern (XRD), transmission electron microscopy (TEM) and scanning electron microscopy (SEM). By using nafion and bismuth films as co-modifiers, the MgO/OMC composite material shows high sensitivity of 0.113 mu A.L mu g(-1) and lower background current for electrochemical determination of lead ion (Pb2+) by using anodic stripping voltammetry. The high specific surface area and good mass transfer on the proposed mesoporous material, as well as the outstanding adsorption abilities of MgO to metal ions and the excellent conductivity of the carbon skeleton contribute to the enhanced electrochemical response of Pb2+. As the stripping response of Bi/MgO/OMC-Nafion/PGE is highly linear (R-2 = 0.998) over a Pb2+ concentration range of 2 to 300 mg/L, it was successfully used to analyse Pb2+ in real tap-water samples with good recoveries.

KeywordMagnesium Oxide Ordered Mesoporous Carbon In Situ Magnesiothermic Reduction Lead Detection
DOI10.1002/elan.201600348
Indexed BySCI
WOS IDWOS:000392824200006
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4919
Collection资源化学研究室
Corresponding AuthorHu, GZ (Hu, Guangzhi)
Affiliation1.Chinese Acad Sci, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Xinjiang, Peoples R China
2.Zhejiang Univ Technol, Inst Ind Catalysis, Hangzhou 310014, Zhejiang, Peoples R China
3.Umea Univ, Dept Phys, S-90187 Umea, Sweden
4.Nantong Univ, Dept Pharm, Nantong 226001, Peoples R China
5.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
6.Harbin Inst Technol, Sch Mat Sci & Engn, Shenzhen 518055, Peoples R China
Recommended Citation
GB/T 7714
Shen, HJ ,Qin, DF ,Li, YZ ,et al. In situ Magnesiothermal Synthesis of Mesoporous MgO/OMC Composite for Sensitive Detection of Lead Ions[J]. ELECTROANALYSIS,2016,28(12):2939-2946.
APA Shen, HJ .,Qin, DF .,Li, YZ .,Li, SZ .,Yang, C .,...&Hu, GZ .(2016).In situ Magnesiothermal Synthesis of Mesoporous MgO/OMC Composite for Sensitive Detection of Lead Ions.ELECTROANALYSIS,28(12),2939-2946.
MLA Shen, HJ ,et al."In situ Magnesiothermal Synthesis of Mesoporous MgO/OMC Composite for Sensitive Detection of Lead Ions".ELECTROANALYSIS 28.12(2016):2939-2946.
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