Issue 7, 2013
From the journal:

Analytical Methods

Determination of trace titanium(iv) by differential pulse catalytic adsorptive stripping voltammetry at a bismuth film electrode

Hong Cui,a   Wenhua Sun,a   Xiangjun Li,*a   Hong Zou*b  and  Zhuobin Yuana  

* Corresponding authors

a College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, 19A YuQuan Road, Beijing 100049, China
E-mail: lixiangj@gucas.ac.cn
Fax: +86-10-88256093
Tel: +86-10-88256336

b Department of Chemistry, Capital Normal University, Beijing 100048, China
Fax: +86-10-88256093
Tel: +86-10-88256336

Abstract

The differential pulse catalytic adsorptive stripping voltammetry behavior of titanium(IV)–cupferron system at bismuth coated glassy carbon electrode (BiFE) has been investigated. In the piperazine-N,N′-bis(2-ethanesulfonic acid) (PIPES)–KCl solution (pH 6.4), the deposition potential at −0.70 V for 120 s, a well-defined and sensitive stripping peak of Ti(IV)–cupferron complex at −0.97 V (vs. SCE) was observed. Under optimized conditions, the peak current was linear to the concentration of Ti(IV) in the range from 10 to 60 μg L−1 with the detection limit of 0.5 μg L−1. To further demonstrate its possible application, the method was successfully applied to detect trace Ti(IV) in hair and water samples with satisfactory results.

Graphical abstract: Determination of trace titanium(iv) by differential pulse catalytic adsorptive stripping voltammetry at a bismuth film electrode

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Article information

DOI
https://doi.org/10.1039/C3AY26249A
Article type
Paper
Submitted
23 Oct 2012
Accepted
04 Feb 2013
First published
04 Feb 2013

Anal. Methods, 2013,5, 1784-1789

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Determination of trace titanium(IV) by differential pulse catalytic adsorptive stripping voltammetry at a bismuth film electrode

H. Cui, W. Sun, X. Li, H. Zou and Z. Yuan, Anal. Methods, 2013, 5, 1784 DOI: 10.1039/C3AY26249A

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