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4.3.4 Pot. Tutorial EIS (Impedance)This simplified Electrochemical Impedance Spectroscopy (EIS) will generate anelectrochemical impedance spectrum at a given DC potential. This spectrumreports the impedances measured at various frequencies with a superimposed ACsignal on a given DC potential. Nyquist or Bode diagrams are available as a realtimeplot display. Method available with VoltaLab 10, VoltaLab 40 and VoltaLab 80.Consult the Help file, keyword indexes:Pot. Tutorial EIS (Impedance) - Method editing and Pot. Tutorial EIS(Impedance) - Measurements and curve files.Visual EIS:A virtual front panel is also available by selecting the “Settings - Visual EIS”command. This tool can be used to set a DC potential, and an AC amplitude, afrequency and to monitor the impedance data. No record of the data is provided. Itis useful to determine the best settings for a potentiostatic EIS experiment.Consult the Help file, keyword index:Visual EIS.4.3.5 Pot. Interactive CVThe Pot. Interactive CV is the perfect tool to record a polarisation curve andparticularly to investigate any new electrochemical samples. You can set thepotential setpoints versus the OCP (select OCP (Free)) or the reference electrode(select REF potential). You can modify the potential setpoints during the experimentitself. The interactive key allows you to hold the potential, reverse the scan directionand modify the Potential 1 and Potential 2 limits at any time. The potential, thecurrent and the total coulomb charge are displayed on the virtual front panel in realtime during the experiment.Consult the Help file, keyword indexes:Pot. Interactive CV - Method editing and Pot. Interactive CV - Measurementsand curve files.4.3.6 Pot. Cyclic VoltammetryCyclic (and linear) voltammetries sweep the potential at a given rate and measurethe current. The experimental curve obtained is k<strong>now</strong>n as a polarisation curve ora “voltammogram”. The scan rate can be programmed up to 20 V/s (10 mV/s for aVoltaLab 21). Auto ranging for current measurement is available depending on thescan rate.Consult the Help file, keyword indexes:Pot Cyclic Voltammetry - Method editing and Pot Cyclic Voltammetry -Measurements and curve files.46VoltaMaster 4 - Version 7.0xSection 4, Chapter 3: Methods available
Visual IFVA virtual front panel is also available by selecting the “Settings - Visual IFV”command. This tool can be used to set a potential and measure the current just asif <strong>your</strong> instrument was an analog instrument. No record of the data is provided.Consult the Help file, keyword index:Visual IFV.4.3.7 Pot. CV 4 limitsThe Pot. CV 4 limits method is the only VoltaMaster 4 method that allows to runcyclic voltammetries starting and ending at a same potential value such as theOpen circuit potential (OCP) for example. The scan rate can be programmed upto 500 mV/s. Auto ranging for current measurement is available depending on thescan rate. Method available with VoltaLab 10, VoltaLab 06, VoltaLab 40, VoltaLab50 and VoltaLab 80.Consult the Help file, keyword indexes:Pot CV 4 limits - Method editing, Pot CV 4 limits - Measurements and curvefiles.4.3.8 Pot. Linear VThe Pot. Linear V is a linear voltammetry between two applied potential set points.The potential is swept at a given rate and the current is measured. The scan ratecan be programmed up to 15 000 mV/s (10 mV/s with a VoltaLab 21). The stepamplitude and step duration are determined from the potential limits and the scanrate entered. Autoranging for current measurement is available irrespective ofthe selected scan rate. Points are saved at a selectable rate (as many as 1 in 32points).Consult the Help file, keyword indexes:Pot. Linear V - Method editing and Pot. Linear V - Measurements and curvefiles.4.3.9 Chrono AmperometryA potential step induces a current change. The current is recorded while the WORKpotential is maintained at a pre-set value versus the REF potential.Consult the Help file, keyword indexes:Chrono Amperometry - Method editing and Chrono Amperometry -Measurements and curve files.VoltaMaster 4 - Version 7.0x 47Section 4, Chapter 3: Methods available
Page 1 and 2: Register your product nowTo keep up
Page 3 and 4: ContentsRegister your product now 1
Page 5 and 6: 1. General presentationDear Custome
Page 7 and 8: Precautionary LabelsRead all labels
Page 9: 1.3 VoltaLab 21 Economical Electroc
Page 12 and 13: 1.6 VoltaLab 40 Dynamic Electrochem
Page 14: 1.8 VoltaLab 80 Universal Electroch
Page 20: Edit the Other settings parameters.
Page 23 and 24: 2.5 Uninstalling VoltaMaster 4Volta
Page 25 and 26: 3. Getting startedFor a VoltaLab 10
Page 28: For a VoltaLab 06RS232 cable9-pin f
Page 31 and 32: 3.3 User identificationIf you selec
Page 33 and 34: 3.5 Set up your instrumentIf you se
Page 35 and 36: 3.7 Set up the Other settings param
Page 37 and 38: 4. VoltaMaster 44.1 The VoltaMaster
Page 39 and 40: Curve type bar - XX is the abscissa
Page 41: 4.2 Using the VoltaMaster 4 Help fi
Page 45: 4.3.1 Open Circuit PotentialThe Ope
Page 49 and 50: 4.3.13 Pot. Dynamic EIS (Impedance)
Page 51 and 52: 4.3.17 Gal. Expert EIS (Impedance)T
Page 53 and 54: 4.3.22 Pot. Step by step CVStep by
Page 55 and 56: 4.3.28 Gal. Universal DPThe Gal. Un
Page 57 and 58: 4.3.34 Pot. Low Current CAA potenti
Page 59 and 60: 4.3.40 Auto. TrajectThe Auto. Traje
Page 61 and 62: 4.3.46 Standard calibrationThis met
Page 63 and 64: 4.3.47 Calibration by additionThis
Page 65 and 66: 4.3.53 Print ReportThe Print Report
Page 67 and 68: The following guidances are given i
Page 69 and 70: 8. Save the sequenceThe initial dat
Page 71 and 72: 4.5.1 Before starting a sequenceChe
Page 73 and 74: 4.6 Processing curves to obtain res
Page 75 and 76: 4.6.1 Post run processing functions
Page 77 and 78: InformationDisplay information on a
Page 79 and 80: Evans plotDisplay the Evans diagram
Page 81 and 82: 4.7 PrintoutsThe Printpreview iconV
Page 83 and 84: 4.7.3 Preparing a printoutThe “Fi
Page 85 and 86: 4.7.5 Printing the parameters of an
Page 87: 4.7.6 Printing CurvesA curve or an
Page 90 and 91: 1. 20 curves maximun in a graphYou
Page 92 and 93: 6. Current disjunctionEffectsThe po
Page 94 and 95: 11. Out of range: -15 V to 15 VWhil
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17. Vg overloadThis error message i
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4.9 Troubleshooting list4.9.1 Chara
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4.10 The ohmic drop compensation4.1
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4.10.4 Running an experiment with a
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CGgIPpQRSTZCalibration CV STGal. Un
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Menu “File” (Routine setup mode
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Menu “Settings” (Full and Super
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Menu “File” (Routine setup mode
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Menu “Settings” (Full and Super
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5.1.1 The front panelsPGZ100 and PG
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The “D/A OUT” socket (4)A DC vo
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5.1.2 The rear panelsLINE FUSE T2A
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4 connecting cords are used (see th
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5.1.4 UseThe PGZ and PST potentiost
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5. Background noise on measurements
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5.1.7 Technical specificationsPGZ10
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PGZ301 PotentiostatRegulationCompli
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PGZ402 Universal PotentiostatRegula
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PST006 Educational PotentiostatRegu
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5.1.8 CE MarkingThe PGZ100, PGZ301,
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the PGP201 internal signal generato
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5.2.2 The rear panelLI-BATTERY3.6 V
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5.2.3 InstallationElectrical safety
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2. Connecting the computerSee Secti
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3. User data lost - Press any keyTh
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5.2.6 MaintenanceWarning!All cables
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5.2.8 CE MarkingThe PGP201 complies
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If the EDI10000 is used:ONE(X) INI
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3. To set another electrode rotatin
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Cables 1 to 4 are supplied in the C
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6.3 Rotating Ring and Disc Electrod
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PGZ TwoWORKAUXREFCell ringCell AUXC
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6.3.5 ConclusionIt is convenient an
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1 PGZ/PST050 “REF.” socket to t
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6.5.2 SettingsEstablish the serial
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166VoltaLab 21/06/10/40/50/80Sectio
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Determine the peak and integrate th
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Determine the peak and integrate th
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6.6 ABU901 AutoburetteThe ABU901 is
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RS232 cable9-pin female / 9-pin fem
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6.7.4 Set up your cellIf you run a
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6.7.8 Technical specifications - HV
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6.8 HCB005 - HCB010 - HCB020 High C
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RS232CLINE FUSE T2A L250V120/230 Va
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If it is not the case (communicatio
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6.8.5 Set up the other settingsSet
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Environmental conditionsInterior us
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6.9 Additional units - PGZ402 E(X)
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Check that the electrical zero and
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Click the “Settings” button and
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6.11 External signal generator - Vg
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6.12 Measuring an A/D IN signalUsin
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