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Metrohm Autolab Potentiostats/Galvanostats

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AUTOLAB NOVA SOFTWARE

NOVA is the data acquisition and analysis software package for all the Autolab potentiostat/galvanostats with USB interface. Developed by electrochemists for electrochemists and integrating over two decades of user experience as well as the latest software technology, NOVA software brings power and flexibility to Autolab users.

NOVA is designed to answer demands of both experienced electrochemists and newcomers alike: setting up experiments, acquiring data points and performing data analysis to produce publication-ready graphs, can be done in a few mouse clicks. The following techniques are available:

Voltammetric analysis

  • Sampled DC
  • Normal pulse
  • Differential pulse
  • Differential normal pulse
  • Square wave
  • Control of Hg drop electrode

Cyclic and linear sweep voltammetry

  • Staircase cyclic and linear sweep voltammetry
  • True linear scan cyclic voltammetry
  • High-speed linear scan cyclic voltammetry

Chrono methods

  • Chrono methods (Δt > 1 ms)
  • Chrono methods high speed (Δt > 100 ns)
  • Recurrent pulsing methods

Impedance spectroscopy

  • Electrochemical impedance spectroscopy
  • External transfer function analysis (IMVS, IMPS, EHD, ...)
  • Potential scan, current scan, time scan, Mott-Schottky

Tools and accessories

  • Manual control
  • iR-compensation
  • Rotating disc electrode (RDE) control
  • Repeat loops
  • Cut-offs
  • Open circuit potential (OCP) measurements
  • Analog input and output
  • Digital DIO (TTL) triggering
  • Additional signals (Delta frequency, bipotentiostat, SPR, ...)
  • Import/export ASCII, GPES, FRA

Application development

  • LabView drivers and ready-to-use VIs
  • Generic interface for .Net applications

FLEXIBLE PROCEDURE EDITOR

NOVA comes with a library of procedures available for most electrochemical experiments, as well as, an extensive list of commands to customize existing procedures or design a new one.

Procedure parameters can be linked, providing the means to build dynamic procedures, where parameters are updated in real time, depending on the measurement progress. Convenient tools such as repeat loops, cut-offs and data analysis instructions can be used in the procedure editor, making routine experiments easy.

Sampling and data aquisition settings can be defined for each measurement, ensuring that the relevant data is always recorded under optimal conditions.

NOVA can be used to perform any number of experiments sequentially, without interruption. Sampling of data points can be switched on periodically during long measurements.

Additionally, NOVA is fully customizable, allowing the user to define the acquisition parameters, the transfer function for any form of impedance, offsets and multipliers for the analog inputs and outputs of the instrument and build new commands. It is designed as a generic electrochemical interface, and it can easily be adapted to any kind of application.

POWERFUL DATA PRESENTATION

During electrochemical experiments, recorded data points can be displayed in a dedicated interface of the software. Up to 4 plots can be used to display measured data points or the results of data analysis. Comparison with previous experiments is possible while experiments are in progress.

The Autolab display window provides a clear overview of the experimetal data and the instrument settings during and it experiments and can be used to manually control the instrument.

Data points are saved automatically in the database at the end of the measurements. Each experiment is logged by time and date, and additional comments can be added to each entry. Data analysis progress can be appended to the data.

This robust data management system prevents accidental loss of data files as well as an easy way of backing up important experiments.

ADVANCED DATA ANALYSIS

NOVA includes a dedicated data analysis environment, featuring an advanced 2D and 3D graphics engine, a large number of data analysis tools and an electrochemical spreadsheet.

Plotting tools, including individual axis scaling, multiple Y-axes, plot additions, zooming and overlays, help the user display the relevant information in clear, publication-ready graphs. Each plot can be directly pasted into a paper or a presentation.

Powerful data analysis tools can be combined with a built-in electrochemical spreadsheet to analyze the data, perform calculations and create new plots without having to export the files to a third-party software.

Analysis progress can be saved to the database at any time. Peak search results, plot settings, calculated data points and additional plots are added to the database in its original entries, turning each measurement into a complete workbook that you can share with co-workers.