BÜCHI Labortechnik AG

- Model K-446/K-449 - Block Digestion Process

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The KjelDigester reduces the block digestion process by up to two hours and meets the highest safety requirements. The high degree of automation is the perfect match to the KjelMaster System allowing for unprecedented sample throughput.

Highly efficient

  • Acceleration of the heating and cooling step, saving up to two hours
  • Direct transfer of the 20 position rack to the KjelSampler
  • Unattended operation by using automatic lift and delayed start time (K-449 only)
  • Programmable time / temperature profiles and full Scrubber K-415 control (K-449 only)

Safe and convenient

  • Improved sealing for effective transfer of harmful fumes
  • No user contact with hot samples due to automatic lift (K-449 only)
  • Convenient magnetic suction module fixation
  • Extended lifetime of block and accessories with protective drip tray

Proven

  • Compliant to official regulations like AOAC, ISO, EN
  • Accurate temperature control following the programmed profile
  • Reproducible digestion due to the improved thermal homogeneity

Food - KjelDigester

Protein, Non-Protein Nitrogen (NPN)

Feed - Kjeldahl

Protein, Non-Protein Nitrogen (NPN)

Chemicals/Agricultural - Digestion

total nitrogen

Environmental Analysis - KjelDigester

Total Kjeldahl Nitrogen (TKN), phosphate

Beverage - Digestion

Protein

Pharmaceutical / Cosmetics - Digestion

Organic nitrogen, urea

Degree of automation

Two models are available:

The fully automated model K-449 offers a convenient automatic lift and a programming mode for 9 digestion methods.
The manual K-446 is an entry level block digester with effortless manual control and manual rack handling.

Suction module types

Two dedicated suction modules can be selected; one for aqueous samples, and the other a standard suction module appropriate for general applications.

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