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

Analysis of nickel-aluminium bronze crevice solution chemistry using capillary electrophoresis
Analysis of nickel-aluminium bronze crevice solution chemistry using capillary electrophoresis
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.
capillary electrophoresis, crevice solution chemistry, corrosion, nickel–aluminium bronze
1388-2481
1035-1040
Wharton, J.A.
965a38fd-d2bc-4a19-a08c-2d4e036aa96b
Stokes, K.R.
5fb4e7f7-2f7e-4e6e-a045-6d7690626695
Wharton, J.A.
965a38fd-d2bc-4a19-a08c-2d4e036aa96b
Stokes, K.R.
5fb4e7f7-2f7e-4e6e-a045-6d7690626695

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

Record type: Article

Abstract

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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More information

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

Identifiers

Local EPrints ID: 48520
URI: http://eprints.soton.ac.uk/id/eprint/48520
ISSN: 1388-2481
PURE UUID: bc583f94-718f-45a9-8cd5-42a298281a8a
ORCID for J.A. Wharton: ORCID iD orcid.org/0000-0002-3439-017X

Catalogue record

Date deposited: 27 Sep 2007
Last modified: 16 Mar 2024 02:59

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