Borosilicate glass.

• Approximate capacities are measured to the base of the flask neck
• Standard joint size between Soxhlet tube and condenser is 34/45 and between the Soxhlet tube and flask is 24/40
• Thimble size is determined by the ID of the extraction tube
• Hose connections on condenser accept ⁵/₁₆" int.Ø flexible tubing

The Soxhlet extractor was designed for separating an analyte with limited solubility in a particular solvent from an insoluble compound. Glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.