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T: 514-354-2511
T: 1 800 463-4363
F: 514-354-6948
Steam Distillation Unit Kjeldahl “Pro-Nitro M”

Steam Distillation Unit Kjeldahl “Pro-Nitro M”

Product Code:Determination of organic nitrogen (Kjeldahl method). Automatic NaOH dosage and temporized stop.

Need more Info? (514) 354-2511 - 1-800-463-4363

  • Steam distillation system.
  • Compact steam generator with safety over temperature thermostat and over pressure device.
  • Safety door, the system will not operate if the door is open.
  • “Tube in place” sensor: if the tube is not located, the dosing process of NaOH will not take place.
  • Universal adapter for digestion/distillation tubes MACRO (Ø 42 mm) and MICRO (Ø 26mm)
  • Small footprint, saves bench top space: The H2O and NaOH reservoirs are placed within the unit.
  • Stainless steel case with reinforced ABS plastic front.
  • Automatic distillate titration kit. (See accessories).


Measuring range From 0.2 to 200 mg of Kjeldahl Nitrogen. Programmable distillation time.
Nitrogen recovery >99.5%
Distillation speed From 35-40ml/minute
Typical distillation time From 7-10 minutes
Water consumption rate From 80-100 litres/Hr.
Steam generator water consumption 2,5 Litres/ Hr.
Water reservoir for steam generator 6 litres
NaOH reservoir 2 Litres


  • Low water level for the steam generator.
  • Safety door open or no distillation/digestion tube in place.
  • Steam generator over temperature.


Automated Sequences
  • Open and closure of cooling water to the cooling coil.
  • Automatic load of NaOH once the distillation has started.
  • Select NaOH volume.
  • Stop at the end of the pre-set programmed time.


Additional Requierements
To complete Kjeldahl Nitrogen analysis a digestion block is also required.


Part No. Height (cm) Width (cm) Depth (cm) Power (W) Weight (Kg)
4002627 75 50 50 1800 30
Supplied with a MACRO Ø 42mm tube, set of reagent containers and tubing.


Control Panel
  1. Low water indicator.
  2. Door open or no tube presence indicator.
  3. Over temperature indicator.
  4. Mains on indicator.
  5. Push button and indicator start/stop distillation.
  6. NaOH volume selection.


Digestion and distillation tube

Series MACRO of 250 ml volume.
Graduated to 100 ml 42 mm Ø x 300 mm high.

Part No. 4042300
Tube for digestion and distillation

Series MICRO of 100 ml volume.
26 mm Ø x 300 mm high.

Part No. 4001045
Adapter kit for automatic determinations. Vessel with location positions for pH electrode, stirrer and reagents and distillate sample.

Part No. 4001724


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