Carbon/nitrogen analyzer for organic samples
Optimize your lab’s efficiency with fast, reliable nitrogen and carbon determination in diverse samples using advanced Dumas analysis.

Automates Carbon/Nitrogen/Protein Analysis Using Dumas Method
The ELEMENTRAC CN-r from ELTRA is a cutting-edge analyzer tailored for laboratories demanding efficient and reliable carbon, nitrogen, and protein determination. Utilizing the Dumas combustion method, it provides a swift alternative to Kjeldahl analysis, ensuring complete oxidation in a pure oxygen atmosphere for robust accuracy. Ideal for applications in food testing, feed analysis, soil nutrient evaluation, and pharmaceutical quality control, it accommodates both solid and liquid samples. Capable of delivering results in under three minutes, the ELEMENTRAC CN-r integrates seamlessly into high-throughput environments with its automated sampling and intelligent network-capable data management. Its ergonomic design includes an integrated PC with a touchscreen interface, promoting user-friendly operation and quick maintenance. Additionally, it operates cost-effectively with advanced gas-saving features, making it a preferred choice for modern laboratories seeking precision and efficiency.
Benefits
- Accelerates sample analysis, delivering results in less than three minutes to boost laboratory productivity.
- Enhances safety by utilizing non-aggressive chemicals, reducing hazards associated with traditional methods.
- Lowers operational costs through efficient gas utilization and consumable management.
- Ensures precise and consistent results with Dumas combustion in a controlled oxygen environment.
- Facilitates easy maintenance, minimizing downtime and ensuring continuous high-throughput operation.
- Applications
- Food,Fuels,Chemical products,Environmental samples,Feed stuff,Pharmaceutical products,Fertilizers
- End products
- Muesli base flakes,Soil nutrients,Sample ash analysis,Granola bars,Cornflakes,Biodiesel blends,Chicken feed mix,Organic fertilizers,Synthetic detergents,Aspirin tablets,Gasoline components,Cattle feed pellets,Dog food kibble,Synthetic fertilizers
- Steps before
- Sample Preparation,Weighing,Homogenization
- Steps after
- Data Analysis,Sample Grouping,Exporting Results,Calibration Check,Quality Control Verification
- Input ingredients
- food,feed stuff,fuels,coal,coke,environmental samples,fertilizers,organic samples,inorganic samples,natural products,chemical products,pharmaceutical products,soil samples
- Output ingredients
- nitrogen content,protein content,carbon content,nutrient composition,fertilizer quality,quality control,product specifications
- Market info
- ELTRA Elemental Analysers is renowned for producing high-quality elemental analyzers, specializing in precise carbon, sulfur, oxygen, nitrogen, and hydrogen measurement in inorganic samples. Their reputation is built on reliability and accuracy in analytical instrumentation.
- Speed
- Less than 3 minutes per analysis
- Capacity
- Up to 1.0 g
- Measurement Range (Nitrogen)
- 0.03 mg to 300 mg
- Measurement Range (Carbon)
- 0.02 mg to 175 mg
- Automation
- Fully automated
- Detector Type
- Thermal conductivity detector (N),NDIR (C)
- Power Supply
- 230 VAC ±10%,50/60 Hz
- Required Gas
- Oxygen (99.999% purity),Helium (99.996% purity),Compressed air
- Weight
- 135 kg
- Dimensions
- 75.7 x 78.5 x 62 cm
- Software
- ELEMENTS software,FDA 21 CFR Part 11 compliant
- Automation level
- Fully Automated
- Batch vs. continuous operation
- Continuous
- Changeover time
- Minimal
- Energy efficiency
- Low Operating Costs
- Cleaning method
- Non-aggressive chemicals
- Sample handling
- Clear sample identification
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Machine footprint
- 75.7 x 78.5 x 62 cm
- Weight
- 135 kg
- Compact design
- Space-saving
- Control panel type
- Integrated PC with tiltable touchscreen
- Discharge method
- Automated with autosampler
- Compact footprint
- Yes