KjelDigester
Process more Kjeldahl samples per day without compromising quality
The highly automated KjelDigester
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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
Reliable instrument and essential in any lab.
Protein analysis
Accelerated heating and cooling for nitrogen analysis and protein determination. Fast digestion at controlled temperatures. Safe and convenient in any lab.
Review Date: 23 Jun 2020 | 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
Quality control: From quality in your hands to quality on their face
In this newsletter, Buchi highlights the importance of quality control in cosmetics and the pros and cons of using chromatography detectors for quality control.
Determination of common environmental pollutants: A collection of short notes with methods, results, and conclusions
In this application note, Buchi demonstrates how to determine common environmental pollutants by GC/MS, Kjeldahl, and pressurized solvent extraction.
COSMETICS LAB: Discover how to develop cosmetics with care
In this magazine issue by BUCHI, discover more about:
- Latest trends in cosmetics
- Workflows for cosmetics research, development and quality control
- Ingredients used in natural cosmetics development
- Lab techniques for cosmetics innovation and much more.
Kjeldahl Proficiency Guide
The Kjeldahl Proficiency Guide from BUCHI aims to help you understand the chemical basis for various nitrogen determination processes and to carry them out. The deeper understanding of the procedure will help laboratory personnel, laboratory supervisors, students and teachers to optimize the individual method and increase the reliability of the results.
Nitrogen determination in urea
In this application note, BUCHI highlights the reliability and reproducibility of the KjelDigester K-449 and KjelMaster System K-375 for the determination of nitrogen in urea.
Guidebook to proximate analysis
A method for the quantitative analysis of the different macronutrients in food stuff is called proximate analysis. Nutritional analysis began in 1861 and since then it has have been continuously developed, modified and improved. The analysis uses combination of techniques to determine protein, fat, moisture, ash and carbohydrates that are well documented due to the need for legal declaration requirements.
Kjeldahl knowledge base: Nitrogen and protein determination
Comprehensive guide covering all aspects of theoretical and practical nitrogen and protein determination according to Kjeldahl. The guide helps you to understand the method and enables you to set up experiments correctly.
Tips & tricks from BUCHI experts
Bring your instruments up to full performance with tips and recommendations from practical experience. These tips & tricks can make your daily lab work easier, safer and more sustainable.
Food process analytics guidebook
In this application note is a view of modern food and beverage analysis methods, with a focus on incoming goods inspections and how the ‘time factor’ plays an important role. The guidebook shows you the process of incoming goods inspections and selected methods for dealing with them.
