Kugelrohr

Kugelrohr
  1. Heating band within insulating tube
  2. Bulb containing item to be distilled
  3. Cooling bath containing ice
  4. Vacuum outlet and electric motor (to rotate ball-string)
UsesDistillation
Related itemsVacuum distillation

A Kugelrohr (German for "ball tube") is a short-path vacuum distillation apparatus:150 typically used to distill relatively small amounts of compounds with high boiling points (usually greater than 300 °C) under greatly reduced pressure.