Protic salt-based nitrogen-doped mesoporous carbon for simultaneous electrochemical detection of Cd(II) and Pb(II)

被引：9

作者：

Qin, Danfeng ^{[1
,5
]}

Xu, Ruiyu ^{[1
,5
]}

Shen, Hangjia ^{[1
,5
]}

Mamat, Xamxikamar ^{[1
]}

Wang, Le ^{[1
,5
]}

Gao, Shanshuang ^{[1
]}

Wang, Ying ^{[1
,5
]}

Yalikun, Nuerbiya ^{[1
,5
]}

Wagberg, Thomas ^{[2
]}

Zhang, Shiguo ^{[3
]}

Yuan, Qunhui ^{[4
]}

Li, Yongtao ^{[1
]}

Hu, Guangzhi ^{[1
,5
]}

机构：

[1] 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, Xinjiang, Peoples R China

[2] Umea Univ, Dept Phys, S-90187 Umea, Sweden

[3] Yokohama Natl Univ, Dept Chem & Biotechnol, Hodogaya- Ku, 79-5 Tokiwadai, Yokohama, Kanagawa 2408501, Japan

[4] Harbin Inst Technol, Shenzhen 518055, Peoples R China

[5] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

来源：

RSC ADVANCES | 2017年 / 7卷 / 59期

基金：

中国国家自然科学基金; 瑞典研究理事会; 中国科学院西部之光基金;

关键词：

ANODIC-STRIPPING VOLTAMMETRY; OXYGEN REDUCTION; PASTE ELECTRODE; FILM ELECTRODE; POROUS CARBON; LEAD; CADMIUM; BISMUTH; IONS; NANOTUBES;

D O I：

10.1039/c7ra04806h

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Nitrogen-doped mesoporous carbon (NMC) derived from a single small-molecule protic salt (p-phenylenediamine bisulfate) is used for sensing toxic heavy metal ions. Using Nafion, bismuth and NMC to anchor the glassy carbon electrode surface, the fabricate electrode shows high sensitivity for detecting Cd(II) and Pb(II). The limits of detection (S/N = 3) are estimated to be 0.3 mu g L-1 for Cd(II) and 0.4 mu g L-1 for Pb(II), respectively, which are 10 and 25 times lower than the maximum acceptable content for drinking water recommended by the WHO. Furthermore, the sensor is successfully used to analyze Cd(II) and Pb(II) in tap-water with high anti-interference capability and good recovery.

引用

页码：36929 / 36934

页数：6

共 41 条

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