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Combination Open Kjeldahl Apparatus

Combination Open Kjeldahl Apparatus

Combination Open Kjeldahl Apparatus

Open Combination and Hooded Combination Kjeldahl units have digestion and distillation components for nitrogen determination in one space-saving apparatus. Open Combination units have the are distillation apparatus mounted above the digestion portion. Hooded Combination units enclose the distillation and digestion apparatus.

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Features

  • Distillation manifold with seamless stainless steel tubing. No fittings or gaskets are required eliminating a potential leak source.
  • Counterflow heat exchanger controls back pressure and maximizes the rate of distillation for uniformity of results.
  • Remote-control flow valve allows cooling water volume adjustment.
  • Easy-to-read temperature gauge located on the water outlet
  • One-piece borosilicate glass connecting bulbs separate liquid from vapors prior to the vapors entering the condenser and effectively traps caustic mist that may carry over to the recovery solution.
  • One-piece borosilicate glass delivery tubes with long necks, round bottoms and thick walls to help eliminate pressure fluctuations in the distillation phase.
  • Electric distillation and digestion heaters with curved ceramic bases to cradle 500 or 800 ml Kjeldahl digestion flasks.
  • Individual infinite-control knobs for electric heaters with variable input from 20-100% capacity
  • Chemical-resistant CPVC fume manifold with heat-resistant PTFE nipples that draw chemical fumes from the digestion flasks.
  • Full one year warranty

Options

  • Open Combination Units in 6-place and 12-place models
  • Hooded Combination Units in 6-place, 12-place and 18-place models. Hooded models feature epoxy-coated steel construction reinforced with tubular steel and tempered safety glass, horizontal-sliding sashes. Three collars: one for remotely-located acid exhaust blower connection, one for hood heat exhaust blower connection, and one for auxiliary-air blower inlet connection.
  • Various electrical configurations

Required Accessories

  • Kjeldahl digestion flasks
  • Remote exhaust blower
  • Ductwork

Optional Accessories

  • Auxiliary-air blower (Hooded models only)
  • Laboratory Carts and Benches

Resources

Green Initiatives

Classical and Rapid Kjeldahl, Fat and Crude Fiber Apparatus Catalog

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Open Combination (Macro) Kjeldahl Systems

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Open Kjeldahl Apparatus Manual

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