This sublimation apparatus is designed for purification by sublimation of quantities of approximately 0.5 to 500mg, under vacuum.

This device consists of a cylindrical, flat bottomed flask for sample and a water-cooled finger type condenser. The condenser features an outer short skirt with a Standard Taper ²⁴/₂₅ outer joint to fit over the neck of the flask. Above the joint there is a side hose connector for attachment to vacuum source.