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Compact VA instruments

2.797.0010 797 VA Computrace for trace analysis

The 797 VA Computrace is a modern voltammetric measuring stand that is connected to a PC via a USB port. The computer 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 and education. Complete accessories with VA Computrace software and all electrodes for a complete measurement system: Multi-Mode Electrode pro (MME pro), Ag/AgCl reference electrode and Pt auxiliary electrode.


The 10 most important benefits

  • Voltammetric trace analysis and additive determination in galvanics with a single instrument
  • Maximum sensitivity thanks to the combination of the unique Multi-Mode Electrode pro with the installed potentiostat
  • Automation with the 863 Compact VA Autosampler or the 838 Advanced VA Sample Processor
  • Archiving of the data in the Autodatabase program with report generator
  • More than 220 important analysis methods are included in the scope of delivery
  • Output of the result in an unlimited number of formats
  • Unique EXPLORATORY mode, specially designed for education at schools and universities
  • Metrohm monographs "Introduction to Polarography and Voltammetry" and "Practical Voltammetry"
  • Built-in quality assurance with GLP mode, access rights for each user and automatic electrode test
  • Simple operation using the clearly organized user interface oriented to the Windows operating concept
  • Connection to the USB port of the PC
 
2.797.0010 797 VA Computrace for trace analysis

797 VA Computrace – Manual or automated

Without any additional accessories, the 797 VA Computrace is a completely functional analysis system for meeting the highest expectations in terms of accuracy and sensitivity. We offer you increased convenience with the various extension options.

Automatic addition of auxiliary solutions with 800 Dosinos

Calibration in voltammetry is accomplished by means of standard addition or calibration curve and can be carried out automatically when 800 Dosinos are used. Connectors for a maximum of three 800 Dosinos are available. Of course, all of the other auxiliary solutions, e.g., buffers or complexing agents, can also be added automatically.

Fully automatic analysis of small sample series with the 863 Compact VA Autosampler

The 863 Compact VA Autosampler enables fully automatic trace determinations. It is suitable for the precise and reproducible investigation of several samples. The sample rack holds a maximum of 18 samples. These are transferred into the measuring vessel of the 797 VA Computrace by the built-in peristaltic pump of the 863 Compact VA Autosampler and analyzed there.

838 Advanced VA Sample Processor – fully automated CVS analysis

In combination with the 838 Advanced VA Sample Processor, fully automatic determinations of organic additives in electroplating baths can be carried out. Up to 56 samples can be investigated with respect to their suppressor content; up to 28 samples can be analyzed automatically for brightener determination. Of course, the 838 Advanced VA Sample Processor is also suitable for trace analysis.

Automatic rinsing of the measuring vessel with the 843 Pump Station

The rinsing and emptying of the measuring vessel after each analysis can be accomplished automatically with the 843 Pump Station. This option is open not only for manually operated systems, but also of course for the VA Computrace systems with Autosampler. The reproducible and efficient rinse minimizes carry-overs and thus enhances the accuracy of the analyses.

Autodatabase

The saving of analysis data takes place either individually on the hard disc or in a database with report generator with the aid of the Autodatabase software. With Autodatabase, all of the data can be viewed at a glance and individually structured printouts can be generated.

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

  • 797 VA Computrace 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
  • Exponential
  • 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)
2.797.0010 797 VA Computrace for trace analysis
Dimensions in mm (W/H/D) 258/245/535
Dimensions remark Height with covering folded open: 630 mm
Weight 11.561
2.797.0010 797 VA Computrace for trace analysis
Parts
1 pcs6.0343.000Separate Pt Rod Electrode
1 pcs6.0728.020Ag/AgCl reference electrode
1 pcs6.1204.200Stirrer for VA Stand
1 pcs6.1226.030Mercury drop capillary (non-silanized) for MME
1 pcs6.1226.050Mercury drop capillary (silanized) for MME
1 pcs6.1244.020Driving belt
1 pcs6.1245.010Electrolyte vessel
1 pcs6.1246.120Multi-Mode Electrode pro
1 pcs6.1247.020Needles for MME
1 pcs6.1415.210Titration vessel / 10-90 mL
7 pcs6.1446.040Threaded stopper / M6
1 pcs6.1801.080Tubing for nitrogen connection
4 pcs6.1808.000Connection bushing M6
1 pcs6.1824.000 Four-way micro dosing tip
1 pcs6.2151.020Cable USB A - USB B 1.8 m
1 pcs6.2301.100Pb Ion standard 1 g/L 50 mL
1 pcs6.2308.020Electrolyte 3 mol/L KCl (250 mL)
1 pcs6.2406.000Mercury drop catcher
1 pcs6.2703.000Stand ring for titration vessels
1 pcs6.2709.080Stopper for pipetting opening
1 pcs6.2711.030Tray for filling the MME
1 pcs6.2711.040Drip pan for VA Computrace
1 pcs6.2739.000Wrench
1 pcs6.2816.020Syringe 10 mL with Luer connection
1 pcs6.2816.030Needle with Luer connector
1 pcs6.6053.030797 VA Computrace Software CD 1.3
Options
2.800.0010

800 Dosino

2.805.0010

805 Dosimat

2.843.0040

843 VA Membrane Pump Station for Compact VA systems

2.843.0140

843 VA Peristaltic Pump Station for Compact VA systems

2.846.0010

846 Dosing Interface

2.863.0020 863 Compact VA Autosampler
6.0728.000 Ag/AgCl reference electrode
6.0728.010 Ag/AgCl reference electrode
6.0730.000

Complete LL-Ag/AgCl(gel) reference electrode

6.1204.130 Silver Electrode Tip
6.1204.140 Gold Electrode Tip
6.1204.150 Lateral Gold Electrode Tip
6.1204.170 3 mm platinum electrode tip for CVS
6.1204.180

Ultra Trace electrode tip

6.1204.190

1 mm platinum electrode tip for CVS

6.1204.210

Driving axle for rotating disk electrode (RDE)

6.1204.220

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

6.1204.600

Glassy carbon electrode tip, shaft made of glass.
 

6.1204.610

2 mm platinum electrode tip for CVS

6.1241.020 Electrode Holder
6.1245.000 Electrolyte vessel
6.1247.000 Glassy Carbon Rod (GC)
6.1415.150 Titration vessel / 5-70 mL
6.1415.220 Titration vessel / 20-90 mL
6.1415.250 Titration vessel / 50-150 mL
6.1415.310 Titration vessel / 70-200 mL
6.1418.150 Titration vessel with thermostat jacket / 5-70 mL
6.1418.220 Titration vessel with thermostat jacket / 20-90 mL
6.1418.250 Titration vessel with thermostat jacket / 50-150 mL
6.1450.210 PFA titration vessel / 10 to 90 mL
6.1454.020 Gaskets / 5 pieces
6.1456.210 Measuring vessel / 10-90 mL
6.2141.170 Cable 797 VA Computrace to 813 Compact Sample Changer to 731 Relay Box
6.2709.040 Stopper for MME opening on VA Stand
6.2709.050 Stopper for stirrer opening on VA Stand
6.2730.030 Stopper
6.5327.000 MVA-Hg, equipment for mercury determination
6.5327.020

MVA-CVS, equipment for the CVS for 797 VA Computrace

2.797.0010 797 VA Computrace for trace analysis
8.000.6028EN

Ultratrace determination of uranium(VI) in drinking water by adsorptive stripping voltammetry according to DIN 38406-17 (english)

8.000.6029EN

Determination of copper in fuel ethanol for car engines by anodic stripping voltammetry (english)

8.000.6059EN

Determination of hazardous substances in electrical and electronic equipment (english)

8.000.6060EN

Voltammetric determination of iodide in brine used in chlor-alkali electrolysis (english)

8.000.6068EN

Determination of the stabilizers antimony, bismuth, and iodate in electroless nickel baths as replacements for lead (english)

AB-036

Half wave potentials of metal ions for the determination by polarography

AB-037 Determination of chromium in iron and steel
AB-050 Determination of lead in petroleum products by stripping voltammetry
AB-057 Polarographic determination of nicotine
AB-060 Polarographic determination of fructose
AB-070

Polarographic determination of nitrate in water samples, soil and plant extracts, vegetable juices, meat and sausages, fertilizers, liquid manure, etc.

AB-073

Polarographic analysis – half-wave potentials of organic substances

AB-074

Determination of antimony, bismuth, and copper by anodic stripping voltammetry

AB-076 Polarographic determination of nitrilotriacetic acid (NTA) and ethylenediaminetetraacetic acid (EDTA) according to DIN 38413 part 5
AB-096 Determination of mercury at the rotating gold electrode by anodic stripping voltammetry
AB-097

Determination of tocopherols (vitamin E) in edible oils and fats by anodic stripping voltammetry at a glassy carbon RDE

AB-098

Determination of ascorbic acid (Vitamin C) and its compounds

AB-110

Determination of free cyanide by polarography

AB-113

Determination of cadmium, lead and copper in foodstuffs, waste water and sewage sludge by anodic stripping voltammetry after digestion

AB-114

Determination of copper, nickel, cobalt, zinc, and iron in a single operation by polarography

AB-116

Determination of chromium in small quantities by polarography and adsorptive stripping voltammetry after digestion

AB-117

Determination of selenium by cathodic stripping voltammetry

AB-123

Determination of manganese in water samples by anodic stripping voltammetry

AB-126 Polarographic determination of quinine
AB-127

Polarographic determination of nitrite in waters, meat and sausage products

AB-131

Determination of aluminum by adsorptive stripping voltammetry

AB-132 Polarographic determination of molybdenum in strongly ferruginous materials
AB-136 Polarographic determination of styrene in polystyrene and copolymers
AB-141 Analysis of edible fats and oils
AB-146

Determination of trace amounts of molybdenum (or tungsten) in water by polarography

AB-147 Simultaneous trace determination of seven metals in «electronic grade» materials using stripping voltammetry
AB-176

Determination of lead and tin by anodic stripping voltammetry

AB-179 Polarographic determination of maleic and fumaric acid alone or in mixtures
AB-186 Determination of aluminum in water samples by adsorptive voltammetry
AB-190

Determination of 4-carboxybenzaldehyde in terephthalic acid by polarography

AB-191

Determination of cysteine and cystine simultaneously by polarography

AB-192

Determination of thiourea in the lower mg/L and in the µg/L range by polarography and cathodic stripping voltammetry

AB-196

Determination of formaldehyde by polarography

AB-199

Determination of sulfide and sulfite by polarography

AB-207

Determination of silver by anodic stripping voltammetry at the carbon RDE

AB-213

Determination of nicotinamide by polarography

AB-215

Determination of folic acid by polarography

AB-218

Determination of thiamine (vitamin B1) by polarography

 

AB-219

Determination of riboflavin (vitamin B2) by polarography

AB-220

Determination of platinum and rhodium in the ultratrace range by adsorptive stripping voltammetry

AB-221

Standard methods in water analysis

AB-224

Determination of pyridoxine (vitamin B6) by polarography

AB-226 Determination of arsenic by stripping voltammetry at the rotating gold electrode
AB-231

Determination of zinc, cadmium, lead, copper, thallium, nickel and cobalt in water samples by anodic and adsorptive stripping voltammetry according to DIN 38406-16

AB-241

Determination of cadmium and lead by anodic stripping voltammetry at a mercury film electrode

AB-242

Determination of tungsten by anodic stripping voltammetry at the Ultra Trace graphite RDE

AB-243

Determination of chromium by adsorptive stripping voltammetry at the Ultra Trace graphite RDE

AB-250 Polarographic determination of diazepam in body fluids and pharmaceutical preparations
AB-251 Polarographic determination of cinchocaine (dibucaine) in pharmaceutical preparations
AB-254

Determination of zinc, cadmium and lead by anodic stripping voltammetry at a mercury film electrode

AB-266

Determination of titanium by adsorptive stripping voltammetry

AB-317

Determination of iron in the µg/L-range by polarography

AN-V-001

Iron, cadmium, lead, and copper in cobalt acetate solution

AN-V-002

Chromium, manganese, and titanium in polyterephthalic acid solution

AN-V-003

Nickel, cobalt, and iron in polyterephthalic acid solution

AN-V-004

Zinc, cadmium, lead, copper, and chromium in triglyceride

AN-V-006

Cadmium, lead, and antimony in acetic acid

AN-V-009

Cadmium, lead, and copper in brine and sodium hydroxide

AN-V-010

Zinc, cadmium, lead, copper, iron, nickel, and cobalt in NaOH in one run

AN-V-015

Nickel, antimony, cadmium, thallium, and copper in a neutral, highly concentrated zinc solution

AN-V-016

Nickel, iron, and copper in a silver plating bath

AN-V-017 Chromium and selenium in a silver plating bath
AN-V-018 Tin and lead in an organo plating bath
AN-V-019 Lead in a nickel plating bath
AN-V-022

Antimony and bismuth in an alkaline zinc oxide solution in one run

AN-V-023

Aluminum in an alkaline zinc oxide solution

AN-V-024 Copper and chromium in an etching bath
AN-V-026 Iron and zinc in a nickel sulfate bath containing surfactants
AN-V-027 Copper in a nickel sulfate bath containing surfactants
AN-V-028

Zinc, cadmium, lead, nickel, and cobalt in hydrochloric acid

AN-V-029

Zinc, cadmium, lead, nickel, and cobalt in Javelle water

AN-V-030

Zinc, cadmium, lead, nickel, and cobalt in  iron(III) chloride solution (40%)

AN-V-031 Coumarin and tartrazine in vodka
AN-V-032

Zinc, cadmium, lead, copper, iron, nickel, and cobalt in freeze-dried hops

AN-V-033

Zinc, lead, copper, and iron in sugar

AN-V-035

Zinc, cadmium, lead, and copper in chili sauce after UV digestion

AN-V-038 Aluminum in albumin lyophilizate after digestion
AN-V-039

Zinc, cadmium, lead, and copper in whiskey after UV digestion

AN-V-041

Cadmium, lead, copper, nickel, and cobalt in soybean oil after digestion

AN-V-043 Zinc in a herbal pharmaceutical drug against prostate cancer
AN-V-045

Uranium in drinking water

AN-V-046

Zinc, cadmium, lead, copper, nickel, and cobalt in vitamin tablets

AN-V-047

Manganese, iron, and molybdenum in vitamin tablets

AN-V-048

Clotiapine in a standard sample

AN-V-051 Cadmium and lead in a herbicide
AN-V-053

Artemisinin and artesunate in a standard sample

AN-V-054 Palladium in pharmaceutical products
AN-V-055

ß-Propiolactone in vaccine

AN-V-056 Ascorbic acid in vitamin capsules
AN-V-057 Thiomersal in eye drops
AN-V-058 Cysteine and cystine in an infusion solution
AN-V-059 1-Methyl-nicotinamide hydrochloride in a standard solution
AN-V-060 Cysteine and cystine in caseinate
AN-V-061 Speciation of Fe(II) and Fe(III) in a standard solution
AN-V-062 4-Carboxybenzaldehyde in polyterephthalic acid
AN-V-063 Cyanide in gases resulting from the incineration of plastic insulating materials
AN-V-064 Free styrene in polystyrene and mixed polymers
AN-V-065 Tungsten in the organic phase
AN-V-067

Formaldehyde, acetaldehyde, and acetone in methanol

AN-V-068

Cadmium and lead in seawater

AN-V-069

Nickel and cobalt in seawater

AN-V-070 Iodide in glacial acetic acid
AN-V-071 Rhodium and platinum in drinking water
AN-V-072 NTA and EDTA in wastewater
AN-V-073 Ascorbic acid in orange juice
AN-V-074 Riboflavin in vitamin tablets
AN-V-075 Nicotinamide in vitamin tablets
AN-V-076 Cobalt in gold plating baths
AN-V-077

Nickel and cobalt in zinc plant electrolytes (concentrated zinc sulfate solutions)

AN-V-078 Antimony in zinc solutions
AN-V-079 Germanium in electroplating baths
AN-V-080 Germanium in lead
AN-V-081

Copper, iron, and vanadium in sodium chloride

AN-V-082 Different chromium species in sea water
AN-V-083

Zinc, cadmium, lead, and copper in wastewater after UV digestion

AN-V-084

Total chromium in wastewater after UV digestion (DTPA method)

AN-V-085

Elemental sulfur in gasoline

AN-V-086

Cadmium, lead, and copper in drinking water

AN-V-087 Nickel and cobalt in drinking water
AN-V-088 Uranium in drinking water
AN-V-089

Mercury in wastewater

AN-V-090 Manganese in drinking water
AN-V-092

Nickel in white wine after UV digestion

AN-V-093

Zinc, cadmium, lead, and copper in red wine after UV digestion

AN-V-094

Platinum and rhodium in red wine after UV digestion

AN-V-095 Quinine in bitter lemon
AN-V-096

Platinum in urine after UV digestion

AN-V-097 Chromium in sulfuric acid
AN-V-098 Molybdenum in sulfuric acid
AN-V-099

Cadmium, lead, and copper in triphosphate

AN-V-100 Nickel and cobalt in triphosphate
AN-V-102 Manganese in triphosphate
AN-V-103 Chromium in lime (CaCO3)
AN-V-104 Formaldehyde in metalworking lubricants
AN-V-105 Thallium in the presence of an excess of cadmium in zinc plant electrolytes (concentrated ZnSO4 solutions)
AN-V-106

Nickel and cobalt in wastewater after UV digestion

AN-V-107

Tin in wastewater after UV digestion

AN-V-108

Thallium in wastewater after UV digestion

AN-V-109

Selenium in wastewater after UV digestion

AN-V-110

Total chromium in wastewater after UV digestion (polarography method with ethylene diamine)

AN-V-111 Germanium in zinc plant electrolytes (concentrated ZnSO4 solutions)
AN-V-113 Titanium in polyethylene terephthalate (PET)
AN-V-114 Cobalt in polyethylene terephthalate (PET)
AN-V-115 Antimony in polyethylene terephthalate (PET)
AN-V-116 Zinc and lead in ethanol
AN-V-117 Iron in ethanol
AN-V-118 Gold in ammonium thiosulfate solution
AN-V-120

Nickel in ethylene glycol after UV digestion

AN-V-121

Total iron in wastewater after UV digestion (Triethanolaminebromate method)

AN-V-122

Iron (total) in deionized water (triethanolamine-bromate-method)

AN-V-123

Iron (total) in ethylene glycol with 2,3 dihydroxynaphthalene

AN-V-124

Iron(III) traces in standard solution with solochrome violet RS

AN-V-125

Iron traces with 1-nitroso-2-naphthol

AN-V-127

Iron(II) in iron sucrose injection solution acc. to USP 26 / NF21

AN-V-128

Iron (total) in a chromium electroplating bath

AN-V-129

Iron (total) in phosphoric acid

AN-V-130

Aluminum in the ppb range in aqueous eluates of filter layers (Solochrome violet RS method)

AN-V-131

Nickel and cobalt in sulfuric acid

AN-V-132

Iron in sulfuric acid

AN-V-139

Thiourea in acid copper bath

AN-V-140

Antimony (total) in acid copper bath

AN-V-148

Nickel in sulfamate-nickel plating bath

AN-V-149

Cobalt in sulfamate-nickel plating bath

AN-V-150

Copper in nickel plating bath

AN-V-152

Tellurium in cyanidic gold bath

AN-V-153

Gold(I) in a gold bath

AN-V-154

NTA in cyanidic gold bath

AN-V-158

Indium in a tin bath

AN-V-159

Bismuth in a tin bath

AN-V-160

Palladium in an activator

AN-V-161

Copper in a cyanidic copper bath

AN-V-162

Iron in deoxidation solution (oxalate method)

AN-V-163

Iron in degreasing bath

AN-V-164

Titan in a titan pickle bath

AN-V-165

Zinc in phosphatation bath

AN-V-166

Nickel in phosphatation bath

AN-V-167

Cadmium in phosphatation bath

AN-V-168

Lead in phosphatation bath

AN-V-169

Lead in tin soldering contacts

AN-V-170

Selenium in zinc plant electrolyte

AN-V-171

Tellurium in zinc plant electrolyte

AN-V-172

Cobalt in zinc plant electrolyte with a furildioxime as complexing agent

AN-V-173

Lead in zinc sulfate solution

AN-V-174

Arsenic in zinc plant electrolyte

AN-V-175

Antimony(III) in zinc plant electrolyte with chloranilic acid as complexing agent

AN-V-176

Total selenium in drinking water after reduction of Se(VI) to Se(IV) with the 909 UV Digester

AN-V-177

Iron in a chromium bath (triethanolamine-bromate-method)

AN-V-178

Copper in seawater with the Mercury Film Electrode (MFE)

AN-V-179 Iron in boiler feed water for power plants (DHN method)
AN-V-180 Nitrobenzene in aniline
AN-V-181

Chromium(VI) in cement

AN-V-195 Iodate in electroless nickel baths
AN-V-196 Antimony and bismuth in electroless nickel baths
AN-V-197 Iodide in NaCl brine electrolytes in chlor-alkali electrolysis plants
AN-V-198 Aluminum in drinking water by adsorptive stripping voltammetry using alizarin red S (DASA) as complexing agent
AN-V-199 Determination of gold(I) in gold plating baths
AN-V-200 Thiourea in copper electrolytes in copper electrorefining plants
MI-2007-1-KA-1

Customer application: Determination of organic additives in acidic copper baths

MI-2007-2-AP-1

Application report: VA Computrace 797 – voltammetric trace determination of uranium (VI) in drinking and mineral waters

MI-2011-1-TT-1

Tips from daily practice: Data backups with Metrohm instruments

2.797.0010 797 VA Computrace for trace analysis
8.000.5022

Brochure: RoHS analysis

8.000.5023

Brochure: Food Analysis - Quality control in the food and beverage industry

8.000.5054

Brochure: Mercury Handling Guidelines


8.005.5001

Monograph: Inverse Voltammetrie (German)

8.005.5003 Monograph: Stripping Voltammetry
8.018.5001 Monograph Sample Preparation Techniques in Voltammetric Trace Analysis (German)
8.018.5003

Monograph Sample Preparation Techniques in Voltammetric Trace Analysis (English)


8.038.5001 Monograph: Analysis of water samples and water constituents with Metrohm instruments (German)
8.038.5003 Monograph: Analysis of water samples and water constituents with Metrohm instruments (English)
8.108.5002DE Voltammetric analysis methods in electroplating
8.108.5002EN Voltammetric analysis methods in electroplating
8.797.0903 Declaration of conformity for 797 VA Computrace Software 1.0, English
8.797.0923

Declaration of conformity for 797 VA Computrace Software 1.2, English

8.797.0933 Declaration of conformity for 797 VA Computrace Software 1.3, English
8.797.3001

Declaration of conformity 797 VA Computrace

8.797.3001EN Declaration of conformity 797 VA Computrace, english
8.797.5002

Brochure: 797 VA Computrace


8.797.5003

Brochure: 797 VA Computrace – The all-round instrument for voltammetry

8.797.8001

Manual: 797 VA Computrace Hardware

8.797.8002 Instructions for Use: 797 VA Computrace Software 1.3.x