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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; Hu, GZ
2016
发表期刊ELECTROANALYSIS
卷号28期号:12页码:2939-2946
摘要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.
关键词Magnesium Oxide Ordered Mesoporous Carbon In Situ Magnesiothermic Reduction Lead Detection
DOI10.1002/elan.201600348
收录类别SCI
WOS记录号WOS:000392824200006
引用统计
被引频次:4[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.xjipc.cas.cn/handle/365002/4919
专题资源化学研究室
通讯作者Hu, GZ
作者单位1.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
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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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