Issue 3, 2011
From the journal:

Analytical Methods

Colorimetric probing of Hg2+ in both solution and thin film

Shulei Hana  and  Yi Chen*a  

* Corresponding authors

a Laboratory of Organic Optoelectronic Functional Materials and Molecular Engineering, Technical Institute of Physics and Chemistry, The Chinese Academy of Science, Beijing, China
E-mail: yichencas@yahoo.com.cn
Fax: +86 10 6487 9375
Tel: +86 10 8254 3595

Abstract

A reagent for colorimetric detection of Hg2+ in both solution and PMMA thin film has been investigated. It is found that 7-hydroxy-spiro-(2H-1-benzopyran-2,2′-indoline) shows highly selective colorimetric probing for Hg2+ in both solution and PMMA thin film. Addition of Hg2+ to the solution of reagent or dipping the reagent thin film into the solution of Hg2+ produces a distinct color change from colorless to red. Control experiments show that the colorimetric detection of Hg2+ is not affected by other competitive metal ions.

Graphical abstract: Colorimetric probing of Hg2+ in both solution and thin film

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Article information

DOI
https://doi.org/10.1039/C0AY00633E
Article type
Paper
Submitted
20 Oct 2010
Accepted
17 Dec 2010
First published
21 Jan 2011

Anal. Methods, 2011,3, 557-559

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Colorimetric probing of Hg2+ in both solution and thin film

S. Han and Y. Chen, Anal. Methods, 2011, 3, 557 DOI: 10.1039/C0AY00633E

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