KjelDigester
Process more Kjeldahl samples per day without compromising quality

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Disappointing product
Food testing
15 months after purchasing this digester with the lift, the lift went out. No longer under warranty. My company paid a lot of money for this equipment that just went out.
Review Date: 8 May 2025 | BUCHI
Helpful and easy to use
Analyses
High quality results and easy to use
Review Date: 6 Jun 2023 | BUCHI
Both reliable and safe
Kjeldahl Digestion Block and Gas Scrubber
The combined system of the block and gas purification unit works reliably and safely for the operator The system meets our purchase specifications
Review Date: 22 Apr 2023 | BUCHI
The KjelDigester reduces the block digestion process by up to two hours, while meeting the highest safety criteria. The highly automated instrument offers unmatched sample throughput in sample preparation for Kjeldahl analysis
- Up to two hours of time savings thanks to accelerated heating and cooling step
- Fast, simple transfer of the 20-sample rack directly to the KjelSampler
- Unattended operation when using automatic lift and delayed start time option (K-449 only)
- Programmable setup of time and temperature profiles (K-449 only)
- Increased user safety with improved sealing for protected transfer of harmful fumes
- Increased operator safety with no user contact with hot samples thanks to automatic lift (K-449 only)
- More convenience with magnetic suction module fixation
- Extended longevity of block and accessories due to protective drip tray
- Fully compliant with official regulations such as AOAC, ISO, EN
- Precise temperature control according to the programmed profile
- Highly reproducible digestion thanks to more thermal homogeneity
Streamline food analysis: Using reference methods for NIR calibration
Food manufacturers must meet stringent regulatory and legal declaration requirements to remain competitive and ensure regulatory compliance. Proximate analysis has become the contemporary method for quantifying macronutrients in food and pet food, while also providing referenced methods for effective calibration of near-infrared (NIR) spectroscopy techniques, which can streamline workflows considerably and reduce costs.
In this free expert guide, explore a variety of technology solutions for the effective analysis of macronutrients to ensure that food and pet food products remain compliant.
Download your free copy to learn more about:
- Primary reference methods for protein and fat determination including the Kjeldahl and Weibull-Stoldt methods
- Reference methods for the analysis of meat and plant-based meat substitutes
- Reference methods for the analysis of dairy and bakery products


















