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Scanning Vibrating Electrode Technique

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Contact details

Mol, J.M.C. (Arjan) Dr.
Mechanical, Maritime and Materials Engineering (3mE), Surfaces and Interfaces Group
Mekelweg 2, 2628 CD Delft
Tel : +31 (0)15 27 86778
E-mail : J.M.C.Mol@tudelft.nl
Website : Open website

General Information


Scanning Vibrating Electrode Technique


Surfaces & Interfaces lab, Department of Materials Science and Engineering, Faculty of Mechanical, Maritime and Materials Engineering, Mekelweg 2, Delft (building #34)

Key words:

Electrochemistry, current density map

Main application:

Map the current/potential density distribution occurring at a fixed distance above a metal surface freely corroding in solution

Instrument specification

Spatial resolution: 10-20μm
Camera magnificent: 1*0.75~ 7* 0.75
Scan heights: 50-250 μm (usually 100 μm)
Measuring area: about 120 μm *120 μm(with 7*0.75)
Working condition: in solution
Probe type: platinum, Stainless still, glass
Reference microelectrode: saturated Ag/AgCl

Electrochemical techniques
Combined with electrochemical analyzer

Amount of instruments installed
Surfaces & Interfaces owns a total of one SVET

Additional information
The SVET can be used to map the electrochemical behavior above a metal surface in aqueous electrolyte. This is useful to evaluate and spatially resolve corrosion activities. It has an excellent signal-to noise ratio, and increased electrical sensitivities as well as enhanced system stability.