SpeedDigester K-439
Description
Buchi
The SpeedDigester K-439 revolutionizes IR digestion. It combines the benefits of IR and block digestion in one unit. Fast nitrogen determination by Kjeldahl digestion at controlled temperatures enables an increased sample throughput. Multiply the instrument functionality whenever needs are changing.
Key Differences
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High speed and throughput
Fast heat transfer of infrared heaters to samples
Large time savings due to fast heating and cooling
Increased sample throughput due to short process time
Accelerated digestion step with continuous addition of H2O2
Flexible
One instrument for both Kjeldahl and reflux digestion
All BUCHI sample tubes to be used (100 mL, 300 mL, 500 mL)
Sample tubes compliant with ISO 6060 for COD and other reflux digestion (e.g. aqua regia)
Optional dedicated suction module for aqueous samples
Excellent reproducibility
Accurate temperature control following the programmed profile
Storage of up to 50 different method profiles (time / temperature)
Digestion process shown graphically
Thermal homogeneity due to the innovative insulation plate
Technical Specification
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Heating principle Radiation
Temperature control Yes
Max. temperature 580 °C
Programmable profiles Yes
Lift No
Heating zone 9 cm
Sample positions 6 / 12
Sample tube sizes 100 / 300 / 500 mL
Other sample tubes Reflux sample tubes (e.g. COD) 3rd party tubes
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