For the extraction from solids with solvents; the solvent is recirculated continuously and
distilled from the extracted sample before contacting the solid again; the extract is concentrated in the distillation flask; the method allows an effective separation with relatively small amounts of extracting solvents.
The complete apparatuses are consisting of:
Extractor in compact and robust design, with flask connection NS 29/32, made of DURAN® tubing,
Allihn condenser (details on page 70), with thread GL 14, made of DURAN® tubing,
Round bottom flask
material: DURAN®