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Electrochemistry

Analytical capacities

Electrochemical behaviour of a couple material /environment

- study of the phenomena of passivity or localised corrosion

- study of the kinetics of anodic and cathodic reactions

Measurement of the galvanic coupling of metals

- ZRA (Zero Resistance Ammeter)


Polarization Resistance of a couple material/environment

- measurement of the corrosion speed

- linear polarization

- electrochemical impedance spectroscopy (potentiostatic, galvanostatic, hybrid, Mott-Schottky)

- follow-up of the corrosion status in time

Chronoampérométrie

- study of the electrochemical formation of deposits (calcareous and metal)

Corrosion potential (Ecorr)

- open circuit measurement
- follow-up of the corrosion status in natural conditions of use

Examples of used equipments


Click to enlarge

- Multichannel potentiostat/galvanostat, VMP,GAMRY potentiostat/galvanostat (with impedance module)- Acquisition units (multiplexer 20 channels)
- Rotating disc electrodes
- Electrochemical cells for flat or cylindrical samples



                                        Follow-up of corrosion in soil of coated steel samples


 

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