Protein and nitrogen analysis system for laboratories

Streamline your nitrogen and protein analysis with precision titration, efficient digestion, and automated sampling capabilities, ensuring high-throughput and reliable results for a variety of liquid and solid samples.

Automates Nitrogen and Protein Analysis Procedures

The KjelMaster K-375, coupled with the KjelSampler K-376 and K-377 from BUCHI, revolutionizes nitrogen and protein analysis workflows with its refined automation and integration capabilities. This system excels in accurately processing food, beverage, chemical, and environmental samples through meticulous digestion, distillation, and titration processes. Designed for laboratory environments, it handles up to 48 samples with a flexible, bench-top format, ensuring optimized lab space and continuous high-throughput operations. Its intuitive color touch screen facilitates seamless operation, while the integrated KjelLink PC software supports advanced programming and bidirectional data exchange. Key features include automatic reagent handling, eliminating exposure to harmful chemicals, and IntelliDist smart distillation mode, offering reproducible results with reduced preparation time. Compatible with various sample sizes, the system also supports a range of material options to ensure chemical compatibility and extend glassware lifespan, providing a comprehensive, reliable solution for demanding nitrogen analysis requirements.

Benefits

  • Enhances productivity with continuous high-throughput sample processing.
  • Minimizes operator exposure to chemicals with automated reagent handling.
  • Conserves bench space with compact, flexible system design.
  • Delivers reliable and reproducible results through the IntelliDist smart distillation mode.
  • Supports diverse applications with versatile sample and method compatibility.

General


Applications
Food,Chemicals,Beverage,Cosmetics,Environmental analysis,Pharmaceutical
End products
Wastewater samples,Nitrogen fertilizers,Milk powder,Moisturizers,Plant-based protein drinks,Effervescent tablets,Bakery products,Beer
Steps before
Milling,Sample Preparation,Digestion
Steps after
Data Management,Compliance Verification,Sample Analysis
Input ingredients
nitrogen samples,protein samples,Total Kjeldahl Nitrogen,Total Volatile Basic Nitrogen,nitrate,nitrite,organic nitrogen,ammonia,urea,casein,non-protein nitrogen,Devarda mixture
Output ingredients
analyzed nitrogen content,analyzed protein content,analyzed Total Kjeldahl Nitrogen,analyzed Total Volatile Basic Nitrogen,analyzed nitrate,analyzed nitrite,processed organic nitrogen,processed ammonia,processed urea,measured casein content,evaluated non-protein nitrogen,quantified samples with Devarda mixture
Market info
Buchi is renowned for its expertise in laboratory and industrial solutions, particularly in producing high-quality equipment for chemical analysis and lab processes, known for precision and reliability in the pharmaceutical, chemical, and food industries.

Technical Specifications


Adjustable Steam Power
30 – 100%
Autosampler Positions
24 or 48
Sample Parameters
Total Kjeldahl Nitrogen,Total Volatile Basic Nitrogen,nitrate,nitrite
Sample Positions
0 for KjelMaster K-375,24 for Sampler System K-375/376,48 for Sampler System K-375/377
Measuring Range
0.02 – 220 mg N
Recovery
>99.5% (1 – 200 mg N)
Screen
8.4 inch color touch
Titration
Potentiometric / Colorimetric
Rack Compatibility
Yes,with K-446 / K-449 for Sampler System

Operating Characteristics


Automation level
High (manual or automatic operation)
Batch vs. continuous operation
Batch
Cleaning method
Automated reagent handling,no manual cleaning needed
Usability
Perfect usability with a free choice of methods
Throughput
High,up to 48 samples using KjelMaster K-377
Flexibility
Compatible with different sample tube sizes (100 mL,300 mL,500 mL)
User level management
Available
Data Management
Sophisticated,with KjelLink PC software for advanced programming
Process Synchronization
Perfect synchronization from digestion to automated sampling
Safety
Safe handling with no contact with harmful chemicals
Operating Interface
Large color touch screen for intuitive system operation
Energy efficiency
Adjustable steam power (30-100%)

Material Compatibility


Corrosive resistance (e.g. acids)
Yes
Cleanability
Automated,CIP-compatible
Density/particle size
Compatible with 0.5–2.5 g/cm³,50–1000 µm

Product type Characteristics


Sample types
Solid / Liquid

Physical Characteristics


Compact footprint
Smallest bench top system
Control panel type
8.4 inch color touch screen
Discharge method
Automated sampling
Sampler positions
24 or 48 sample positions
Steam output
Adjustable 30-100%

Custom Options


Control panel type
8.4 inch color touch screen
Automation Level
High-throughput processing with autosampler
User level management
Yes
Rack compatibility
With K-446 / K-449
Compatibility with sample tubes
100 mL,300 mL,500 mL
Synchronized process
From digestion to automated sampling
Flexible operation
Automatic or manual operation
Independent racks
Yes,KjelMaster K-377