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A potentiometric detection technique for chelating agents after separation by capillary zone electrophoresis

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Buchberger, W and Aichhorn, D and Niessner, G and Haddad, PR and Bogan, DP (1998) A potentiometric detection technique for chelating agents after separation by capillary zone electrophoresis. Monatshefte fur Chemie, 129 (8-9). pp. 811-816. ISSN 0026-9247

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Abstract

The combination of capillary zone electrophoresis with potentiometric detection has been investigated for the determination of chelating agents such as diethylenetriaminepentaacetic acid. The detector consists of a metallic copper electrode with a diameter of 100μm arranged in an end-capillary configuration. The electrode potential depends on the concentration of copper ions at the electrode surface and therefore decreases when chelating agents pass the electrode. In combination with UV detection, both free ligands and metal complexes could be detected.

Item Type: Article
Keywords: Capillary electrophoresis; Potentiometric detection; Chelating agents; Aminopolycarboxylic acids.
Journal or Publication Title: Monatshefte fur Chemie
Page Range: pp. 811-816
ISSN: 0026-9247
Identification Number - DOI: 10.1007/PL00013488
Additional Information: The original publication is available at www.springerlink.com
Date Deposited: 12 Nov 2008 23:34
Last Modified: 18 Nov 2014 03:53
URI: http://eprints.utas.edu.au/id/eprint/8002
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