Double-compartment electrochemical H-Cell for stationary-solution measurements. Supports electrodes in the form of: a) rod/disc (6 mm dia.), b) thin film deposited on flat substrate (using a wire clip), and c) membrane (using a wire clip). Working, counter, and reference electrodes are mounted in a top casing in 2- or 3-electrode setup. Counter electrode is placed in a compartment separated from the other electrodes by an ion-exchange membrane (19 mm to 25 mm dia.), so electrochemical products appearing at the 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 electrolyte and evacuation of gaseous products. It can accommodate standard Metal Wire Auxiliary Electrodes as well as square shape electrodes with sizes up to 25 mm x 25 mm. Cell elements are constructed from materials inert to the sample (glass and PEEK). Fits aqueous (FKM/EPDM O-Rings) and organic solvent (FFKM O-Rings) electrolyte requirements. Construction is gas-tight; suitable for removal and exclusion of contaminants by bubbling inert gas through the electrolyte. After removal of the counter electrode glass compartment, the cell functions as a Basic Electrochemical Cell (BEC 50 mL).

Application note The reference electrode tip and working disk electrode tip should be placed at the middle of the membrane. This will ensure a low potential drop throughout the electrolyte solution for low-current experiments. Various auxiliary electrodes are suitable including metal wire, metal foil/mesh/foam, and graphite rod. The bubbling of gas through the solution must be stopped prior to experiment.

Product includes

• 1 x lid
• 1 x counter electrode compartment
• 1 x membrane holder
• 1 x glass chamber
• 1 x plug