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III. Experimental Hardware

Most voltammetric measurements make use of a device called a potentiostat, which is capable of applying a controlled potential to a working electrode and measuring the current that passes as a result of electron transfer to solution species of interest. The working electrode, along with a reference electrode and an auxiliary electrode are commonly placed in an eIectrochemical cell, with a fill solution containing an inert electrolyte and the analyte. Cell designs can be quite simple to quite complex, with solution volumes ranging from a few microliters to many milliliters.