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), 1035-1040. (doi:10.1016/j.elecom.2006.12.014).

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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.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1016/j.elecom.2006.12.014
ISSNs: 1388-2481 (print)
Related URLs:
Keywords: capillary electrophoresis, crevice solution chemistry, corrosion, nickel–aluminium bronze
Subjects: T Technology > TP Chemical technology
Q Science > QD Chemistry
Divisions : University Structure - Pre August 2011 > School of Engineering Sciences > Engineering Materials & Surface Engineering
ePrint ID: 48520
Accepted Date and Publication Date:
May 2007Published
Date Deposited: 27 Sep 2007
Last Modified: 31 Mar 2016 12:25

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