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Analysis of nickel-aluminium bronze crevice solution chemistry using capillary electrophoresis

Wharton, J.A. and Stokes, K.R. (2007) Analysis of nickel-aluminium bronze crevice solution chemistry using capillary electrophoresis Electrochemistry Communications, 9, (5), pp. 1035-1040. (doi:10.1016/j.elecom.2006.12.014).

Record type: Article


A new approach has been developed to simultaneously analyse the evolution of metallic cation and inorganic anion solution concentrations within a crevice micro-environment using capillary electrophoresis. The chemical conditions within a Cortest crevice assembly have been studied when the bold surface of nickel–aluminium bronze was exposed to a bulk 3.5% (0.6 M) NaCl solution. The crevice solution chemistry was assessed intermittently over a period of 6 months. Capillary electrophoresis was used since it is capable of analysing nanolitre solution volumes with widely disparate concentrations of species. A methodology has been optimised for the first time to simultaneously evaluate inorganic anion and metal cation crevice solution composition, without the need for extensive sample pre-treatment. Analyses for chloride and a range of metal cations, including Cu2+, Ni2+ and Fe3+ are presented.

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Published date: May 2007
Keywords: capillary electrophoresis, crevice solution chemistry, corrosion, nickel–aluminium bronze
Organisations: Engineering Mats & Surface Engineerg Gp


Local EPrints ID: 48520
ISSN: 1388-2481
PURE UUID: bc583f94-718f-45a9-8cd5-42a298281a8a
ORCID for J.A. Wharton: ORCID iD

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Date deposited: 27 Sep 2007
Last modified: 17 Jul 2017 14:59

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Author: J.A. Wharton ORCID iD
Author: K.R. Stokes

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