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  Products | Kjeldahl/Nitrogen


VELP ® UDK Distillation Units

Equipped for a variety of applications, including the determination of protein nitrogen, phenols, or volatile fatty acids, four models feature various levels of automation to best meet your requirements and budget. Choose any model, from the basic UDK 132 to one that automatically manages all processes, UDK 152: each accepts multiple sized tubes and flasks, has a maintenance-free steam generator, and includes safety features for user protection.

All models are manufactured with a patented steam generator that utilizes deionized water for virtually maintenance-free operation, an alkali-resistant technopolymer splash head to ensure a longer lifespan than glass splash heads, and a titanium condenser to keep distillation water temperature at 31°C—well below the critical 35°C mark, where nitrogen loss would occur.

UDK 127

  • Basic model
  • Innovative design
  • Plastic cover for added resistance to chemical corrosion
  • 110 V or 220 V available

UDK 132

  • Mid-range model automates dilution water and sodium hydroxide addition
  • Easy set-up
  • Easy to use, with fast, push-button operation

UDK 142

  • Fast, easy to set up distillation unit that can be connected to various auto-titration units
  • All parameters are fully programmable
  • High durability to chemical corrosion
  • Visible identification of process stage

UDK 152

  • Automatic management of all processes–from distillation to titration, including reagent adding, residues aspiration and final result calculations
  • Reduced running costs and downtime through optimized applications and 30 predefined standard methods
  • Automatic calculation of protein concentration and storage up to 1000 results in memory
  • High level of safety systems for user protection
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