Novel dual microelectrode probe for the simultaneous visualization of local Zn2+ and pH distributions in galvanic corrosion processes

D. Filotás, B. M. Fernández-Pérez, J. Izquierdo, L. Nagy, G. Nagy, R. M. Souto

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Novel dual potentiometric microsensor probe has been developed for the simultaneous detection of Zn2+ concentration and pH distributions in the Scanning Electrochemical Microscopy investigation of corroding galvanized steel. The individual sensors show nearly theoretical behavior over a wide concentration range. The applicability of this probe is first demonstrated on a Fe-Zn galvanic couple, as it shows excellent performance in these simultaneous model experiments. In addition, linear scans recorded over a cut edge of coated galvanized steel evidence the complementary information gathered on the electrochemical behavior of the corroding sample, and adumbrates promising and feasible applications of multi-barrel microelectrodes in corrosion research.

Original languageEnglish
Pages (from-to)37-44
Number of pages8
JournalCorrosion Science
Volume114
DOIs
Publication statusPublished - Jan 1 2017

Fingerprint

Microelectrodes
Steel
Visualization
Corrosion
Microsensors
Microscopic examination
Scanning
Sensors
Experiments

Keywords

  • A. Iron
  • A. Metal coatings
  • A. Zinc
  • C. Anodic dissolution
  • C. Oxygen reduction
  • C. Paint coatings

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)
  • Materials Science(all)

Cite this

Novel dual microelectrode probe for the simultaneous visualization of local Zn2+ and pH distributions in galvanic corrosion processes. / Filotás, D.; Fernández-Pérez, B. M.; Izquierdo, J.; Nagy, L.; Nagy, G.; Souto, R. M.

In: Corrosion Science, Vol. 114, 01.01.2017, p. 37-44.

Research output: Contribution to journalArticle

Filotás, D. ; Fernández-Pérez, B. M. ; Izquierdo, J. ; Nagy, L. ; Nagy, G. ; Souto, R. M. / Novel dual microelectrode probe for the simultaneous visualization of local Zn2+ and pH distributions in galvanic corrosion processes. In: Corrosion Science. 2017 ; Vol. 114. pp. 37-44.
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