兰州大学机构库 >化学化工学院
Selective solid-phase extraction and analysis of trace-level Cr(III), Fe(III), Pb(II), and Mn(II) Ions in wastewater using diethylenetriamine-functionalized carbon nanotubes dispersed in graphene oxide colloids
Zhu, XB; Cui, YM; Chang, XJ(常希俊); Wang, H; Wang, H (reprint author), Qufu Normal Univ, Sch Chem & Chem Engn, Shandong Prov Key Lab Life Organ Anal, Qufu 273165, Peoples R China.
收录类别SCIE ; EI ; PubMed
2016
发表期刊TALANTA
卷号146页码:358-363
出版者ELSEVIER
出版地AMSTERDAM
摘要Multi-walled carbon nanotubes (MCNTs) were dispersed in graphene oxide (GO) colloids to be further functionalized with diethylenetriamine (DETA), resulting in GO-MCNTs-DETA nanocomposites for the solid-phase extraction and analysis of Cr(III), Fe(III), Pb(II), and Mn(II) ions at the trace levels in wastewater. Inductively coupled plasma optical emission spectrometry (ICP-OES) indicates that this new solid-phase sorbent could facilitate the maximum static adsorption capacities of 5.4, 13.8, 6.6 and 9.5 mg g(-1) for Cr(III), Fe(III), Pb(II), and Mn(II) ions, respectively, showing the adsorption capacity up to 95% within about 30 min. Moreover, the detection limits of the GO-MCNTs-DETA-based analysis method were found to be 0.16, 0.50, 0.24 and 0.38 ng mL(-1) for Cr(III), Fe(III), Pb(II), and Mn(II) ions, respectively, with the relative standard deviation of lower than 3.0% (n=5). Importantly, common coexisting ions showed no significant interference on the separation and pre-concentration of these heavy metal ions at pH 4.0. Subsequently, the GO-MCNTs-DETA sorbent was successfully employed for the separation and analysis of trace-level Cr(III), Fe(III), Pb(II), and Mn(II) ions in wastewater samples yielding 75-folds concentration factors. (C) 2015 Elsevier B.V. All rights reserved.
关键词Multi-walled carbon nanotubes Graphene oxide Diethylenetriamine Heavy metal ions Solid-phase extraction Inductively coupled plasma optical emission spectrometry
作者部门[Zhu, Xiangbing;
Wang, Hua] Qufu Normal Univ, Sch Chem & Chem Engn, Shandong Prov Key Lab Life Organ Anal, Qufu 273165, Peoples R China;
[Cui, Yuemei] Jining Bur Qual & Tech Supervis, Jining 272000, Shandong, Peoples R China;
[Chang, Xijun] Lanzhou Univ, Dept Chem, Lanzhou 730000, Peoples R China
学科领域Chemistry
所属项目编号National Natural Science Foundations of China [21375075, 21302109, 21302110] ; Taishan Scholar Foundation of Shandong Province, PR China
资助项目国家自然科学基金项目
项目资助者NSFC
DOI10.1016/j.talanta.2015.08.073
ISSN0039-9140
文章类型Article
语种英语
WOS记录号WOS:000363815600050
EI记录号20153801279411
PM记录号26695275
IR记录号WOS:000363815600050
第一机构
Citation statistics
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文献类型期刊论文
条目标识符http://ir.lzu.edu.cn/handle/262010/180292
Collection化学化工学院
通讯作者Wang, H (reprint author), Qufu Normal Univ, Sch Chem & Chem Engn, Shandong Prov Key Lab Life Organ Anal, Qufu 273165, Peoples R China.
Recommended Citation:
GB/T 7714
Zhu, XB,Cui, YM,Chang, XJ,et al. Selective solid-phase extraction and analysis of trace-level Cr(III), Fe(III), Pb(II), and Mn(II) Ions in wastewater using diethylenetriamine-functionalized carbon nanotubes dispersed in graphene oxide colloids[J]. TALANTA,2016,146:358-363.
APA Zhu, XB,Cui, YM,Chang, XJ,Wang, H,&Wang, H .(2016).Selective solid-phase extraction and analysis of trace-level Cr(III), Fe(III), Pb(II), and Mn(II) Ions in wastewater using diethylenetriamine-functionalized carbon nanotubes dispersed in graphene oxide colloids.TALANTA,146,358-363.
MLA Zhu, XB,et al."Selective solid-phase extraction and analysis of trace-level Cr(III), Fe(III), Pb(II), and Mn(II) Ions in wastewater using diethylenetriamine-functionalized carbon nanotubes dispersed in graphene oxide colloids".TALANTA 146(2016):358-363.
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