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Solution «Kjeldahl Flexibility»

Nitrogen determination with greatest flexibility and convenience


You want to be flexible by using your products for classical Kjeldahl analysis also for related applications without time consuming changes. Our highly modular solution copes with semi-automated Kjeldahl applications as well as reflux digestion and direct distillation.

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Highly flexible and convenient

  • Save money by using the same instruments for Kjeldahl and non-Kjeldahl applications. Combine dedicated accessories with integrated features and varying sample tube sizes.
  • Convenient operation thanks to automated procedures: programmable digestion temperature profiles, automated dilution, alkalization and optional acidification, followed by titration, calculation and aspiration of chemicals.
  • Meeting changing needs with ready-to-use pre-programmed methods for various sample matrices and storage of 50 personalized methods.


  • Large digestion time savings of up to 135 minutes. Fast heating and cooling by means of infrared heaters. Optional continuous addition of H2O2.
  • Concerted online titration with dedicated titrators while the sample is still being distilled. Automated calculation and result transfer.

Safe and secure

  • Maximum safety thanks to perfectly sealing joints and the ultimate four stage Scrubber K-415 (QuadScrubECO).
  • Unauthorized process or data manipulation can be prohibited by password protection of the KjelFlex K-360.

Service & Support

  • Comprehensive list of reference applications
  • Customized application support
  • Authorized IQ, OQ and PQ documentation
  • Useful tools for application development
  • Practical workshops, trainings and seminars
  • Preventive maintenance including IQ/OQ/PQ
  • Minimize downtime thanks to our service hotline