Differential pulse voltammetric study of a typical anaerobic adhesive formulation coated on a glassy carbon electrode |
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Authors: | G Hai-Lin R John GG Wallace M Meaney Malcolm R Smyth RG Leonard |
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Institution: | Chemistry Department, University of Wollongong, P.O. Box 1144, Wollongong, NSW 2500 Australia;School of Chemical Sciences, National Institute For Higher Education Dublin, Glasnevin, Dublin 9 Ireland;Loctite (Ireland) Ltd., Whitestown Industrial Estate, Tallaght, Co. Dublin Ireland |
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Abstract: | The determination of copper (II) and iron (III) added to an anaerobic adhesive formulation was investigated by differential pulse voltammetry after application of a solution of the adhesive in acetone to a glassy carbon electrode. The best supporting electrolyte was 0.1 M sodium dodecyl sulphate, which ensured adequate surface contact with the adhesive coating. Under optimum conditions, copper (II) (as CuEDTA 2?) could be determined at levels down to 0.1 mg l?1 and iron (III) (in some complexed form) down to 2.0 mg l?1. The method is also capable of detecting the presence of poly (ethylene glycol) dimethacrylate, cumene hydroperoxide and N,N-dimethyl-p-toluidine in a typical formulation. |
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