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Issue 59, 2017, Issue in Progress
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Protic salt-based nitrogen-doped mesoporous carbon for simultaneous electrochemical detection of Cd(ii) and Pb(ii)

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Abstract

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 μg L−1 for Cd(II) and 0.4 μg 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.

Graphical abstract: Protic salt-based nitrogen-doped mesoporous carbon for simultaneous electrochemical detection of Cd(ii) and Pb(ii)

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Article information


Submitted
28 Apr 2017
Accepted
15 Jul 2017
First published
25 Jul 2017

This article is Open Access

RSC Adv., 2017,7, 36929-36934
Article type
Paper

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

D. Qin, R. Xu, H. Shen, X. Mamat, L. Wang, S. Gao, Y. Wang, N. Yalikun, T. Wagberg, S. Zhang, Q. yuan, Y. Li and G. Hu, RSC Adv., 2017, 7, 36929
DOI: 10.1039/C7RA04806H

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