Basic electrochemical H-cell setup
This is a stationary solution double compartment electrochemical H-Cell for measurements of electrodes in a form of: a) rod/disc (6 mm dia.), b) thin film deposited on a flat substrate (using a wire clip) and c) membrane (using a wire clip). The working, counter and reference electrodes are mounted in a top casing either in 2-, or 3-electrode setup. The counter electrode is placed in a compartment separated from the other electrodes by ion-exchange membrane (19 mm to 25 mm dia.), so the electrochemical products appearing at working and counter electrode do not affect the opposite electrode. The counter electrode compartment is equipped with a separate inlet and outlet for easy filling with an electrolyte and evacuation of gaseous products. It can accommodate standard Metal Wire Auxiliary Electrode as well as square shape electrodes with sizes up to 25 mm x 25 mm. 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. After removal of the counter electrode glass compartment, the cell gets the functionality of a Basic Electrochemical Cell – BEC 50 mL
The reference electrode tip and working disk electrode tip should be placed in the middle of the membrane. This will ensure a low potential drop throughout the electrolyte solution for low-current experiment. Various auxiliary electrodes are suitable for this cell including metal wire and metal foil/mesh/foam electrodes as well as graphite rod. The bubbling of gas through the solution must be stopped prior to experiment.
minimum electrolyte volume: 30 mL
maximum electrolyte volume: 40 mL
minimum membrane diameter: 19 mm
maximum membrane diameter: 25 mm
maximum membrane thickness: 0.5 mm
electrode plug diameter: 6 mm
number of electrode slots: 3
1 x BE H-Cell 50 mL - Basic Electrochemical H-Cell 50 mL
1 x Metal Wire Auxiliary Electrode - 50HX15 0.6/250 mm (Platinum)
1 x Reference electrode (aqueous Ag/AgCl or non-aqueous Ag/AgCl)
1 x Glassy Carbon disk electrode – 2 mm dia.
1 x Plug with silicone rubber septum and set of Tantalum wire clips (set of 10)
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