Large-capacity soxhlet extractor and reflux condenser

Large-size extractor for liquids

“…the isolation of certain alkaloids from aqueous concentrates, it became necessary to employ some method whereby sizable quantities of solution could be extracted continuously with ether until alkaloid-free. Although many authors (1,2,4,5,7) have described largescale apparatus for the extraction of solid material, the writer has been unable to find in the literature any description of a plant-size extractor for liquids. Employing the principles embodied in the liquid extractor described by Palkin (6), an apparatus has been built for the extraction of 40-liter batches of liquid by lighter-than-water solvents.…”

The wound hormones of plants. I. Traumatin, the active principle of the bean test

“…Procedure I. Extraction of Bean Pods-20 pounds of Kentucky Wonder bean pods were dried in an oven at 60-70", ground, and placed in a modified Soxhlet extractor (8). The dried powder, which weighed 1050 gm., was extracted continuously with 3500 CC.…”