Kjel Line

Kjel Line

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Meeting the highest demands in nitrogen determination

BUCHI’s latest steam distillation units are extremely accurate, ensure the sustainable use of resources and offer maximal safety during operation. The instruments have been designed to fit your individual needs and to enable the highest performance in the most convenient way.

  • Adjustable Steam Power:10 – 100 %, programmable steam ramps
  • MaxAccuracy Mode:Yes
  • Sample Parameters:Total Kjeldahl Nitrogen, Total Volatile Basic Nitrogen, nitrate, nitrite
Categories: Steam Distillation

Description

Kjel Line – Highest Convenience, Safety & Performance in Kjeldahl Analysis

The Kjel Line is engineered to deliver the highest level of user convenience, operational safety, and analytical accuracy in Kjeldahl protein determination. Innovative sensor technology minimizes user exposure to chemicals, while an intuitive touch screen ensures easy and reliable process handling. The modular and upgradeable design allows laboratories to automate distillation and titration on demand, enabling unattended operation with maximum efficiency. Automatic recognition of distillation start and endpoint guarantees excellent reproducibility, while optimized alkalization and intelligent cooling water control help save both time and valuable resources.


Maximize Accuracy & User Safety

The Kjel Line integrates advanced safety and control features to ensure consistent and reproducible results under all operating conditions. A built-in voltage stabilizer compensates for supply voltage fluctuations of up to ±10%, maintaining constant steam power and ensuring high measurement accuracy. Multiple safety sensors continuously monitor cooling water flow, steam generator pressure, sample tube positioning, and reagent levels. Fully transparent safety shields with control sensors automatically stop the process if opened, providing maximum operator protection.

Automated titration, when combined with connected titrators, minimizes manual intervention while delivering precise endpoint detection. Adjustable steam power (10–100%) and programmable steam ramps allow safe handling of foaming samples, further improving method robustness.


Save Resources & Improve Efficiency

The Kjel Line is designed to reduce reagent, water, and time consumption without compromising performance. The AutoDist function automatically detects the start of condensation using a built-in temperature sensor and adjusts distillation timing individually for each run, ensuring reproducible results regardless of internal temperature variations. Intelligent cooling water control reduces water usage by approximately 20%, while the reaction detection sensor (for MultiKjel) can save up to 30% NaOH during alkalization. No preheating is required, enabling faster start-up and higher overall throughput.


Key Features & Functional Highlights

  • Innovative sensor technology for maximum user safety

  • Integrated voltage stabilizer for consistent steam output and reproducibility

  • Automatic distillation start and endpoint recognition for high accuracy

  • Automated titration with electrode-based endpoint detection

  • Intelligent cooling water control to reduce consumption

  • OnLevel sensor for reproducible condensate volumes

  • Reaction detection sensor for reduced NaOH consumption

  • Choice of glass or plastic splash protectors based on application needs

  • Modular design for easy upgrades and future automation


Kjel Line – Model Comparison

Characteristics EasyKjel BasicKjel MultiKjel
Color display Yes Yes Yes
Alkalization with NaOH pump Yes Yes Yes
Dilution with water pump No Yes Yes
AutoDist function No Yes Yes
Sample disposal No Optional Yes
Touch screen No Optional Yes
Boric acid dosing No No Yes
Receiving solution disposal No No Optional
Titrator connection No No Optional
Reaction detection sensor No No Optional

Related Products

  • Kjel­Master K-375 & Kjel­Sampler K-376 / K-377