Metrohm precision voltammetry instruments accurately analyse trace metals, many anions, and organic compounds
Metrohm currently has more than 50 application bulletins and 67 application notes dealing with polarographic or voltammetric determinations.
Applications.
Water, wastewater, environmental. Heavy metals.
Arsenic via EPA method 7063.
Mercury via EPA method 7472.
Chromium (VI) via EPA method 7198.
Food, beverages, vitamins, and additives.
Metals and electroplating.
Plastics and petrochemistry.
General chemistry, research, and education. Features.
Wide variety of VA techniques available.
Reliable, reproducible, and economical analyses, down to the ppt-level. Reduces mercury waste when using Multi-mode Mercury Electrode (MME) or Rotating Disk Electrode (RDE).
Fully sealed MME electrode contains only 6ml of mercury and has a small capillary bore to ensure smaller, yet reproducible drops.
The electrode is sufficient for thousands of determinations.
RDE Electrode is interchangeable with the MME and is capable of achieving rotation speeds from 200 to 3000rpm.
Tips are available in gold, silver, platinum, graphite, and glassy carbon.
Metrohm VA trace analyser model 746 with VA stand model 747.
Compact, stand-alone design-ideal for use in virtually any situation, eg, R and D, production.
Used primarily for automated VA analyses or multi-element analyses in a single run.
Flexible programming structure-allows for specialised and customised multi-element analyses.
Can automate more than 80 samples in one run; results and method transfer available via 128 KB Ram cards or via PC, using VA Database v2.1.
Both units are required for operation. Available with built-in printer or a standard parallel port. Metrohm VA Computrace model 797 is a modern work station for voltammetric analysis.
Connected via a standard USB port, integrated Windows-based software controls the determination, data records and evaluates the measured data for the final result.
The easy to use software also includes pre-installed methods, with all necessary parameters, that are described in the Metrohm application bulletins and application notes.
The newly integrated and designed potentiostat/galvanostat is said to offer the highest precision with reduced noise.
The Multi Mode Electrode (MME) and the ability to integrate a family of rotating disk electrodes (RDE) expands the capabilities of the 797 Computrace.
Important features include.
Stripping voltammetry for voltammetric trace analysis of metal ions and other substances. CVS cyclic voltammetric stripping for the determination or additives in plating solutions.
Exploratory mode - described as the new standard for teaching in electrochemistry with the Practical Voltammetry Metrohm monograph.
Powerful data handling with report generator.
More than 220 important analysis methods pre-installed.
Result in a wide variety of formats.
Integrated quality assurance with the GLP wizard, access rights for each user, and the automatic electrode test.
Simple and easy Windows 2000/XP with clear user interface.
USB connection.
