Micropotentiometric mapping of local distributions of Zn2+ relevant to corrosion studies

resumo

A Zn2+-selective microelectrode is developed and adopted for determination of Zn2+ in the course of corrosion processes. Details of construction are given, together with a preliminary characterization of the electrode's properties. Successful application to examples of zinc dissolution, zinc electroplating and corrosion in defects of coated galvanised steel shows the suitability of this microelectrode for materials science and corrosion research. (C) 201 0 Elsevier B.V. All rights reserved.

palavras-chave

ION-SELECTIVE ELECTRODES; NEUTRAL CARRIER; ZINC

categoria

Electrochemistry

autores

Bastos, AC; Taryba, MG; Karavai, OV; Zheludkevich, ML; Lamaka, SV; Ferreira, MGS

nossos autores

agradecimentos

The authors acknowledge financial support from Projects PTDC/CTM/66041/2006 (FCT, Portugal), RFS-CR-08028 (European Research Fund for Coal and Steel) and European FP7

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