Welcome to a webinar about nitrogen determination according to Kjeldahl that is held by our supplier Gerhardt. The webinar is free of charge for participants and it is live with an extensive Q&A session. It is interesting for all commercial laboratories, all industry sectors as well as universities/education sector.

When: Tuesday, October 18, 2022 at 11 a.m. – 1 p.m. CEST
Registration: Can be made via this link

Principle and analytical approaches for difficult samples


  1. Digestion with sulfuric acid and catalyst
    • Digestion temperature and digestion time
    • Temperature / time profile and power / time profile
    • Ratio of sample mass to sulfuric acid volume and catalyst
    • Handling of different samples
  2. Distillation and titration
    • Parameter settings for distillation
    • Selection of receiver solution
    • Options for titration
    • Handling of different samples
  3. Quality assurance
    • Blank values
    • Standards
    • Recovery
    • Error consideration IQ / OQ / PQ

If you have any questions or are interested in the instrument please contact our sales manager Tina.