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6.2 BipotentiostatThe bipotentiostat described hereafter is an association of two PGZ potentiostats.The following associations are also possible: PGZ100/PGZ100, PGZ100/PGZ301,PGZ100/PGZ402, PGZ301/PGZ402, PGZ402/PGZ402. The first PGZ (PGZ One)monitors a voltammetry on the disc electrode and the Vg potential is applied versusthe same reference electrode. The second PGZ (PGZ Two) polarizes the ringelectrode versus a reference electrode. The reference and auxiliary electrodes areconnected to PGZ One. The “I OUT” output of PGZ no. 1 is connected to the “A/DIN” socket of PGZ One so that the ring and disc currents can be followed versusthe disc potential applied.6.2.1 Physical connectionsFront panelPGZ Two(exampleof a PGZ402)ONE(X) INI OUTI (Y) INE OUTVg INVg OUTA/D IND/A OUTREF5AUXSENSEWORKCELL64PGZ One(exampleof a PGZ402)ONE(X) INI OUTI (Y) INE OUTVg INVg OUTA/D IND/A OUTREFAUXSENSEWORKCELLFX (blue head)AuxiliaryelectrodeBlack banana plugsWorkingelectrode (disc)12 3ReferenceelectrodeWorkingelectrode(ring)12 3 4BNC plugPL259 plugsCK112 kit of 6 connecting cablesCK112 kit of 6 connecting cablesVoltaLab 21/06/10/40/50/80 153Section 6, Chapter 2: Bipotentiostat

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