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4.3.22 Pot. Step by step CVStep by step cyclic (or linear) voltammetries sweep the potential and measurethe current. The polarisation curves recorded at a very low scan rate are usefulin corrosion to determine thermodynamic values. The experimental curves canbe examined with Tafel or Stern equations. Direct access to the potential stepamplitude and the maximum step duration plus a stability criterion (µA/min) areprovided. This max. step duration corresponds to the step duration when thestability criterion equals zero. Method available with VoltaLab 40, VoltaLab 50 andVoltaLab 80.Consult the Help file, keyword indexes:Pot. Step by step CV - Method editing and Pot. Step by step CV -Measurements and curve files.4.3.23 Gal. Logarithmic CVA current step induces a potential change. The WORK potential is measured versusthe REF potential while the current is maintained at a pre-set value. The current isimposed step by step with a logarithmic (or a linear) progression. A stability criterionshortens the step duration when its value is not set to zero. Method available withVoltaLab 40, VoltaLab 50 and VoltaLab 80.Consult the Help file, keyword indexes:Gal. Logarithmic CV - Method editing and Gal. Logarithmic CV -Measurements and curve files.4.3.24 Gal. Cyclic VoltammetryA current step induces a potential change. The total current is imposed with alinear progression and the WORK potential is measured versus the REF potential.Galvanodynamic cyclic voltammetries are recorded. Method available withVoltaLab 21, VoltaLab 40, VoltaLab 50 and VoltaLab 80.Consult the Help file, keyword indexes:Gal. Cyclic Voltammetry - Method editing and Gal. Cyclic Voltammetry -Measurements and curve files.Visual VFI (Galvano)A virtual front panel is also available by selecting the “Settings - Visual VFI”command. This tool can be used to set a current and measure the potential just asif your instrument was an analog instrument. No record of the data is provided.Consult the Help file, keyword index:Visual VFI.VoltaMaster 4 - Version 7.0x 53Section 4, Chapter 3: Methods available