Bottom Mount Corrosion Cell

Bottom Mount Corrosion Cell

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This is a stationary solution corrosion cell for EIS and conventional electrochemical measurements on: (a) thin metal film deposited on flat substrate, (b) metal plate, (c) metal mesh, (d) metal wire and (e) metal ribbon. The sample is installed from the bottom via magnetic or screw mount in between two chambers filled with electrolyte. In cases (a) and (b) bottom chamber is unused and stays dry. The counter or/and reference electrodes are mounted in a top casing (either 2-, or 3-electrode setup). The cell elements are constructed with materials that are inert to the sample (glass and PEEK). It well fits aqueous (FKM/EPDM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. The construction is gas-tight and can be used when the removal and exclusion of contaminants such as oxygen and water is required by bubbling of an inert gas through the electrolyte.

Application note:

The reference electrode tip should be placed close to the bottom of the chamber (3-5 mm), where the working electrode is exposed to the electrolyte. This will ensure a negligible potential drop throughout the electrolyte solution for low-current experiment. Various auxiliary electrodes are suitable for this cell including noble metal wire and graphite rod. The bubbling of gas through the solution must be stopped prior to experiment. 

Specification:

Nominal exposure area: 1 cm² (other on request)
Minimum electrolyte volume: 2.5 mL
Maximum electrolyte volume: 15 mL
Electrode plug diameter: 6 mm
Sample sizes:
a) metal plate and thin metal film on a flat substrate:
Minimum sample size: 17 mm x 25 mm
Recommended sample size: 25 mm x 25 mm
Maximum sample thickness: 3 mm
b) wire and ribbon:
Maximum sample thickness: 0.25 mm
Minimum sample length: 25 mm
(higher thicknesses can be used with O-Ring grease)
c) metal mesh:
Mesh size: 80 - 500 wires/inch

Product Includes

1 x lid – 0001CPEMA
1 x glass chamber – 0002PGLMA
1 x bottom casing
1 x gas/liquid chamber
1 x window holder - 0042PSSMA
1 x set of screws – 0032PNYCM
1 x plug