Large scale sublimation apparatus constructed of heavy wall glass. Will sublime 100gms of solid sample. Cold finger tube positions in center neck and is held by a plastic bushing to a threaded condenser flask. All joints are PTFE-Clad to eliminate the use of grease and still avoid freezing. Kettle flange has a groove for a CAPFE O-Ring. Quick Release clamp secures head & kettle. Complete consists of Kettle Top, Kettle Bottom with O-Ring, Condenser, Stopcock Adapter, Condenser Tube, Pressure Bushing, (2) stoppers, and Flange Clamp.