Issue 59, 2021

Electrochemical detection of heavy metal ions in water

Abstract

Heavy metal ions are one of the main sources of water pollution. Most heavy metal ions are carcinogens that pose a threat to both ecological balance and human health. With the increasing demand for heavy metal detection, electrochemical detection is favorable due to its high sensitivity and efficiency. Here, after discussing the pollution sources and toxicities of Hg(II), Cd(II), As(III), Pb(II), UO2(II), Tl(I), Cr(VI), Ag(I), and Cu(II), we review a variety of recent electrochemical methods for detecting heavy metal ions. Compared with traditional methods, electrochemical methods are portable, fast, and cost-effective, and they can be adapted to various on-site inspection sites. Our review shows that the electrochemical detection of heavy metal ions is a very promising strategy that has attracted widespread attention and can be applied in agriculture, life science, clinical diagnosis, and analysis.

Graphical abstract: Electrochemical detection of heavy metal ions in water

Article information

Article type
Feature Article
Submitted
21 feb 2021
Accepted
09 jún 2021
First published
09 jún 2021

Chem. Commun., 2021,57, 7215-7231

Electrochemical detection of heavy metal ions in water

Q. Ding, C. Li, H. Wang, C. Xu and H. Kuang, Chem. Commun., 2021, 57, 7215 DOI: 10.1039/D1CC00983D

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