797 VA Computrace with reduced accessories

797 VA Computrace with reduced accessories
Order number: 2.797.0020

The 797 VA Computrace is a modern voltammetric measuring stand that is connected to a PC via a USB port. The PC software provided controls the measurement, records the measured data and evaluates it. Operation is most straightforward due to the well-laid-out structure of the program. The integrated potentiostat with galvanostat guarantees the highest sensitivity with reduced noise.

Voltammetry system for trace analysis, the determination of organic additives in electroplating baths with "Cyclic Voltammetric Stripping" (CVS) and education. Reduced accessories without electrodes.

  • Tech specs
  • Documents
  • Included parts
  • Opt. equipment
Dimensions in mm (W/H/D) 258/245/535
Dimensions remark Height with covering folded open: 630 mm

Potentiostat

  • Max. output voltage: ±5 V
  • Max. output current: ±80 mA
  • Voltage feed: < 1 mV/s - 35 V/s at 10 mV resolution


Current measurement techniques

  • DC, DP, SqW, AC1, AC2, NP, CV, PSA, CC-PSA, CVS, CPVS


Working electrode

  • Multi-Mode Electrode (MME), can be operated as DME, SMDE or HMDE
  • Rotating disk electrodes (RDE) made of GC, "Ultra Trace" graphite, Pt, Ag, Au


Reference electrode

  • Ag/AgCl/KCl 3 mol/L


Auxiliary electrode

  • Pt
  • Glassy Carbon (GC) as option


Stirrer

  • PTFE, 200 to 3,000 min-1


Interfaces

  • Built-in USB interface
  • MSB interfaces for connecting up to 3 Dosinos or Dosimats
  • Remote interface for the connection of peripheral devices


Software

  • VA Computrace 797 Software 1.3


Data evaluation

  • Peak height (entire peak, front half of peak, rear half of peak)
  • Peak area
  • Charge
  • First derivative


Baseline types

  • Linear
  • Polynomial
  • Exponentially
  • Horizontal


Concentration determination

  • Standard addition
  • Calibration curve technique (linear or nonlinear regression)
  • Dilution Titration (DT)
  • Linear Approximation Technique (LAT)
  • Modified Linear Approximation Technique (MLAT)
  • Response Curve Technique (RC)

Download the complete Scope of Delivery and Optional Accessories for as PDF:

  • Threaded stopper / M6
    6.1446.040
    Threaded stopper / M6

    7 piece(s)

  • Tubing for nitrogen connection
    6.1801.080
    Tubing for nitrogen connection
    For supplying gas to voltammetry instruments

    1 piece(s)

  • Connection bushing M6
    6.1808.000
    Connection bushing M6

    4 piece(s)

  • 
    Four-way micro dosing tip
    6.1824.000
    Four-way micro dosing tip

    With 4 x M6 thread. For VA measuring stands.


    1 piece(s)

  • Cable USB A - USB B  1.8 m
    6.2151.020
    Cable USB A - USB B 1.8 m
    USB connecting cable

    1 piece(s)

  • Pb Ion standard 1 g/L 50 mL
    6.2301.100
    Pb Ion standard 1 g/L 50 mL
    Pb ion standard, c(Pb2+ ) = 1.000 g/L

    1 piece(s)

  • Electrolyte  3 mol/L KCl (250 mL)
    6.2308.020
    Electrolyte 3 mol/L KCl (250 mL)
    Electrolyte solution c(KCl) = 3 mol/L, (for Ag/AgCl reference systems)

    1 piece(s)

  • Stopper for pipetting opening
    6.2709.080
    Stopper for pipetting opening
    For 694, 747 VA Stands and VA Computrace

    1 piece(s)

  • Drip pan for VA Computrace
    6.2711.040
    Drip pan for VA Computrace

    1 piece(s)

  • Wrench
    6.2739.000
    Wrench
    For tightening connectors

    1 piece(s)

  • 797 VA Computrace Software CD 1.3
    6.6053.030
    797 VA Computrace Software CD 1.3

    Control and evaluation software for 797 VA Computrace. For the following operating systems: Windows
    ® 2000, Windows
    ® XP Professional, Windows
    ® Vista (32-bit) and Windows
    ® 7 (32-bit).


    1 piece(s)

Download the complete Scope of Delivery and Optional Accessories for as PDF:

  • 800 Dosino
    2.800.0010
    800 Dosino

    Drive with write/read hardware for intelligent Dosing Units. With fixed cable (length 150 cm).

  • 805 Dosimat
    2.805.0010
    805 Dosimat
    Dosing device for the Titrando and Sample Processors with read/write hardware for intelligent Exchange Units. With permanently attached cable. Without Exchange Unit.
  • 838 Advanced VA Sample Processor
    2.838.0310
    838 Advanced VA Sample Processor

    Together with the 797 VA Computrace, the 838 Advanced VA Sample Processor is a sample changer for the completely automatic determination of organic additives in electroplating baths using "Cyclic Voltammetric Stripping" (CVS). Series of brighteners or of suppressors can be analyzed one after the other without supervision. The sample rack supplied holds a maximum of 56 samples of a maximum of 11 mL or a maximum of 50 mL.

    The 838 Advanced VA Sample Processor is equipped with a flexible method editor for the purpose of adjusting the analysis sequence to the needs of the user. The separate keyboard enables access to the method editor and all other instrument settings. The 838 Advanced VA Sample Processor is remote-controlled by the 797 VA Computrace during the determination of a sample series.

    The instrument is supplied together with accessories, sample rack, keyboard and accessories for setting up a complete workplace, although it does not come with rinsing equipment.


     

  • 843 VA Membrane Pump Station for Compact VA systems
    2.843.0040
    843 VA Membrane Pump Station for Compact VA systems

    The 843 Membrane Pump Station has two built-in membrane pumps that can be controlled directly by the 797 VA Computrace via the remote signal. It is used for the automatic rinsing and emptying of the measuring vessel in partly automated and fully automated VA and CVS systems with the 797 VA Computrace.

    The version for voltammetry is equipped with the complete accessories for the automatic rinsing and emptying of the measuring vessel.

  • 843 VA Peristaltic Pump Station for Compact VA systems
    2.843.0140
    843 VA Peristaltic Pump Station for Compact VA systems

    The 843 Peristaltic Pump Station has two built-in peristaltic pumps that can be controlled directly by the 797 VA Computrace via the remote signal. It is used for the automatic rinsing and emptying of the measuring vessel in partly automated and fully automated VA and CVS systems with the 797 VA Computrace.

    The version for voltammetry is equipped with the complete accessories for the automatic rinsing and emptying of the measuring vessel.

  • 846 Dosing Interface
    2.846.0010
    846 Dosing Interface

    USB-capable control unit for connecting a maximum of four 800 Dosinos or 805 Dosimats for dosing and Liquid Handling tasks. A Touch Control or the connection to a PC with tiamo™, MagIC Net, viva or 797 VA Computrace is required for operation.

  • 863 Compact VA Autosampler
    2.863.0020
    863 Compact VA Autosampler

    The 863 Compact VA Autosampler is a space-saving and inexpensive Autosampler for the simple automation of VA systems in voltammetric trace analysis with the 797 VA Computrace. It enables the determination of small series with a maximum of 18 similar samples 5 to 11 mL in size with great accuracy.

    With integrated peristaltic pump for sample transfer. The instrument is supplied together with built-in sample rack, extensive accessories and connecting cable for a complete workplace setup.

  • Ag/AgCl reference electrode without electrolyte
    6.0728.000
    Ag/AgCl reference electrode without electrolyte

    Inner reference system without electrolyte for use with electrolyte vessel made of glass 6.1245.000.

  • Ag/AgCl reference electrode without electrolyte
    6.0728.010
    Ag/AgCl reference electrode without electrolyte

    Inner reference system without electrolyte for use with electrolyte vessel made of plastic 6.1245.010.

  • Ag/AgCl reference electrode
    6.0728.020
    Ag/AgCl reference electrode

    Inner reference system with electrolyte c(KCl) = 3 mol/L. For use with electrolyte vessel made of plastic 6.1245.010.

  • LL-Ag/AgCl reference electrode for CVS
    6.0728.030
    LL-Ag/AgCl reference electrode for CVS

    Inner reference system with electrolyte c(KCl) = 3 mol/L. For use with electrolyte vessel made of plastic 6.1245.010.

  • LL-Ag/AgCl(gel) reference electrode for CVS
    6.0728.040
    LL-Ag/AgCl(gel) reference electrode for CVS

    Inner reference system with electrolyte c(KCl) = 3 mol/L (gel), pH range 0 - 8. For use with electrolyte vessel made of plastic 6.1245.010.

  • Complete LL-Ag/AgCl(gel) reference electrode
    6.0730.000
    Complete LL-Ag/AgCl(gel) reference electrode

    Maintenance-free Double-Junction Ag/AgCl reference electrode for voltammetry. Made of glass with electrolyte c(KCl) = 3 mol/L (gel), for pH 0 - 8. Suitable for use in continuous operation in automated systems and online instruments.

  • Silver Electrode Tip
    6.1204.130
    Silver Electrode Tip

    Metal electrode tip, silver (Ag). Electrode disk diameter 2 mm. M3 thread. Temperature range: 0 ... 40 °C.

  • Gold Electrode Tip
    6.1204.140
    Gold Electrode Tip

    Metal electrode tip, gold (Au). Electrode disk diameter 2 mm. M3 thread. Temperature range: 0 ... 40 °C.

  • Lateral Gold Electrode Tip
    6.1204.150
    Lateral Gold Electrode Tip

    Metal electrode tip, gold (Au), with lateral electrode surface. Electrode disk diameter 3 mm. M3 thread. Temperature range: 0 ... 40 °C.

  • 3 mm platinum electrode tip for CVS
    6.1204.170
    3 mm platinum electrode tip for CVS

    Metal electrode tip made of platinum (Pt), diameter of electrode disk 3 mm, polished surface, M3 thread connection. Temperature range: 0 - 40 °C.

  • Ultra Trace electrode tip
    6.1204.180
    Ultra Trace electrode tip


    Carbon electrode tip from Ultra Trace graphite. Electrode disk diameter 2 mm. M3 thread connection. Temperature range: 0 - 40 °C.


  • 1 mm platinum electrode tip for CVS
    6.1204.190
    1 mm platinum electrode tip for CVS

    Metal electrode tip made of platinum (Pt), diameter of electrode disk 1 mm ±0.02 mm, polished surface, shaft made of glass, M3 thread connection. Concentricity error: < 0.2 mm. Temperature range: 0 - 50 °C.

  • Stirrer for VA Stand
    6.1204.200
    Stirrer for VA Stand
    Stirrer for VA Stand, complete, metal-free
  • Driving axle for rotating disk electrode (RDE)
    6.1204.210
    Driving axle for rotating disk electrode (RDE)

    Driving axle for rotating disk electrode (RDE) with titanium axle for VA measuring stands, M3 thread.

  • Driving axle for rotating disk electrode (RDE) with mercury contact
    6.1204.220
    Driving axle for rotating disk electrode (RDE) with mercury contact

    Driving axle for rotating disk electrode (RDE) with titanium axle and mercury contact for VA measuring stands, M3 thread.

  • 
      
    Glassy carbon electrode tip, shaft made of glass.
                
         
    6.1204.600
    Glassy carbon electrode tip, shaft made of glass.  


    Carbon electrode tip made of Glassy-Carbon (GC). Diameter of electrode disk 2 mm ±0.1 mm, polished surface, shaft made of glass, M3 thread connection, concentricity deviation: <0.25 mm. Temperature range: 0 - 50°C. 


  • 2 mm platinum electrode tip for CVS
    6.1204.610
    2 mm platinum electrode tip for CVS

    Metal electrode tip made of platinum (Pt), diameter of electrode disk 2 mm ±0.05 mm, polished surface, shaft made of glass, M3 thread connection. Concentricity error: < 0.3 mm. Temperature range: 0 - 50 °C.

  • Mercury drop capillary (non-silanized) for MME
    6.1226.030
    Mercury drop capillary (non-silanized) for MME


    Non-silanized mercury drop capillary (10 pieces)


  • Mercury drop capillary (silanized) for MME
    6.1226.050
    Mercury drop capillary (silanized) for MME


    Silanized mercury drop capillary (10 pieces)


  • Electrode holder
    6.1241.020
    Electrode holder

    Electrode holder for VA auxiliary electrodes. For use with glassy carbon rod (6.1247.000) or platinum pin (6.1247.010).

  • Electrolyte vessel made of glass
    6.1245.000
    Electrolyte vessel made of glass

    Electrolyte vessel made of glass with ground-joint diaphragm (standard ground-joint) for double junction reference electrode.

  • Electrolyte vessel made of plastic
    6.1245.010
    Electrolyte vessel made of plastic

    Electrolyte vessel made of plastic with ceramic diaphragm for double junction reference electrode.

  • Glassy carbon rod (GC)
    6.1247.000
    Glassy carbon rod (GC)

    For electrode holder 6.1241.020 or 6.1241.120 for VA auxiliary electrode.

  • Needles for MME
    6.1247.020
    Needles for MME

    Needles for Multi Mode Electrode (3 pieces).

  • Titration vessel / 5-70 mL
    6.1415.150
    Titration vessel / 5-70 mL
  • Titration vessel / 20-90 mL
    6.1415.220
    Titration vessel / 20-90 mL
  • Titration vessel / 50-150 mL
    6.1415.250
    Titration vessel / 50-150 mL
  • Titration vessel / 70-200 mL
    6.1415.310
    Titration vessel / 70-200 mL
  • Titration vessel with thermostat jacket / 5-70 mL
    6.1418.150
    Titration vessel with thermostat jacket / 5-70 mL
  • Titration vessel with thermostat jacket  / 20-90 mL
    6.1418.220
    Titration vessel with thermostat jacket / 20-90 mL
  • Titration vessel with thermostat jacket / 50-150 mL
    6.1418.250
    Titration vessel with thermostat jacket / 50-150 mL
  • PFA titration vessel / 10 to 90 mL
    6.1450.210
    PFA titration vessel / 10 to 90 mL
    For ultratrace analysis and for solutions containing fluoride.
  • Gaskets / 5 pieces
    6.1454.020
    Gaskets / 5 pieces
  • Measuring vessel / 10-90 mL
    6.1456.210
    Measuring vessel / 10-90 mL
    Measuring vessel for automated VA systems. Dilution vessel for Advanced IC Sample Processor
  • Filling tube for MME
    6.1817.000
    Filling tube for MME
    For filling the Multi-Mode-Electrode.
  • Cable 797 VA Computrace to 813 Compact Sample Changer to 731 Relay Box
    6.2141.170
    Cable 797 VA Computrace to 813 Compact Sample Changer to 731 Relay Box
  • Cable 797 VA Computrace to 838 Advanced VA Sample Processor to 731 Relay Box
    6.2141.180
    Cable 797 VA Computrace to 838 Advanced VA Sample Processor to 731 Relay Box
  • Mercury drop catcher
    6.2406.000
    Mercury drop catcher
    Silver wire (to capture mercury drops by amalgamation)
  • Electrode stand for MME
    6.2615.030
    Electrode stand for MME
    Electrode stand for filling and storing the Multi-Mode Electrode.
  • Stopper for MME opening on VA Stand
    6.2709.040
    Stopper for MME opening on VA Stand
    For closing gas tubing of the Multi-Mode Electrode in VA Stands if not in use. E.301.0004 O-rings included.
  • Stopper for stirrer opening on VA Stand
    6.2709.050
    Stopper for stirrer opening on VA Stand
    E.301.0004 O-rings included. Used for the stirrer opening of VA Stands.
  • Tray for filling the MME
    6.2711.030
    Tray for filling the MME

    For 884 Professional VA, 797 VA Computrace, 757 VA Computrace and 647, 663, 694, 747 VA Stands

  • Stopper
    6.2730.030
    Stopper

    Complete with nipple and O-ring. For 6.1414.030 titration vessel lids. For KF instruments, VA measurement stands, VA Computrace and IC Dilution.

  • Syringe 10 mL with Luer connection
    6.2816.020
    Syringe 10 mL with Luer connection
    For various applications in IC and VA
  • Needle with Luer connector
    6.2816.030
    Needle with Luer connector

    Needle for filling in mercury into the Multi-Mode Electrode and for sample addition in Karl Fischer titration.


     


  • MVA-Hg, equipment for mercury determination
    6.5327.000
    MVA-Hg, equipment for mercury determination
    Complete set of accessories for the determination of mercury as per Application Bulletin 96. Contains rotating gold working electrode, reference electrode, glassy-carbon auxiliary electrode and other accessories.
  • 
    MVA-CVS, equipment for the CVS for 797 VA Computrace
    6.5327.020
    MVA-CVS, equipment for the CVS for 797 VA Computrace
    Complete accessories set for the determination of organic additives in electroplating baths with CVS (Cyclic Voltammetric Stripping). Contains rotating platinum working electrode, reference electrode, platinum auxiliary electrode and additional accessories.