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  • A photograph of a CG-1369-02 soxhlet extraction apparatus w/ round bottom flask.

Soxhlet Extraction Apparatus w/ Round Bottom Flask

Item #: CG-1369

Normal Availability: 1-3 business days

Product Description

Soxhlet extraction devices are ingenious inventions for the continuous extraction of sparingly soluble solids with a volatile solvent. The flask and extraction solvent are heated and the vapors rise up the outer sidearm until they reach the water-cooled condenser. The condensed solvent drips into the Soxhlet device and onto a porous glass or paper thimble containing the material to be extracted. When the level of the condensate in the extractor rises above the inner U-shaped sidearm, it automatically siphons the solvent and dissolved material into the lower flask. The cycle then repeats itself.

Typical uses for Soxhlet devices include extracting fullerenes from raw soot (using toluene or similar solvents) and the determination of fat content in food or feed samples (using hexane as the solvent). These are also great for the extraction of essential oils.

This complete unit includes a round-bottom flask, extractor, and an Allihn condensor.  The individual components are also available separately. These extractors can be used with fritted glass thimbles (item #CG-1372) or paper thimbles (not sold here). Also available with flat-bottomed flasks (see item #CG-1368).  Replacement extractors and condensers are identical to those for the CG-1368 and are available through that item's page.

Specifications Small Medium Large
Item # CG-1369-01 CG-1369-02 CG-1369-03
Extractor Capacity (mL) 50 85 200
Extractor Top Joint 34/45 45/50 55/50
Extractor Inner Diameter (mm) 30 38 50
Extractor Lower Joint 24/40
Glass Thimble Size (mm) 25 x 85 35 x 90 45 x 130
Paper Thimble Size (mm) 25 x 80 33 x 80 43 x 123
Flask Capacity (mL) 125 250 300

Other Details

Manufactured in: USA

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