Enhancing selectivity in stripping voltammetry by different adsorption behaviors: the use of nanostructured Mg–Al-layered double hydroxides to detect Cd(ii)
Literature Information
Publication Date
2013-01-24
DOI
10.1039/C3AN36271J
Impact Factor
4.616
Authors
Xin-Yao Yu, Jin-Huai Liu
View Original
Abstract
We report the use of nanostructured layered double hydroxides (LDHs) for the highly selective and sensitive detection of Cd2+ using anodic stripping voltammetry (ASV). In particular, the modification of a glassy carbon electrode promotes the sensitivity and selectivity towards Cd2+ in the presence of Pb2+, Hg2+, Cu2+ and Zn2+. The electrochemical characterization and anodic stripping voltammetric performance of Cd2+ were evaluated using cyclic voltammetry (CV) and square wave anodic stripping voltammetry (SWASV) analysis. Operational parameters, including supporting electrolytes, pH value, deposition potential and deposition time were optimized. In addition, the selectivity, interference and stability were also investigated under the optimized conditions. The results showed that the fabricated electrode possessed good selectivity, stability and reproducibility. The proposed electrochemical sensing strategy is thus expected to open new opportunities to broaden the use of ASV in analysis for detecting heavy metal ions in the environment.
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Analyst
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Analyst publishes analytical and bioanalytical research that reports premier fundamental discoveries and inventions, and the applications of those discoveries, unconfined by traditional discipline barriers.
Recommended Compounds
![N-[2,6-Di(9-anthryl)-4-oxido-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide structure](https://static.chemtradehub.com/structs/122/1227374-64-2-cdb5.webp "N-[2,6-Di(9-anthryl)-4-oxido-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide structure")
N-[2,6-Di(9-anthryl)-4-oxido-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl]-1,1,1-trifluoromethanesulfonamide
CAS Number:
1227374-64-2
Molecular Formula:
C49H37F3NO5PS
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