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A Soxhlet extractor is a piece of laboratory apparatus [1] invented in 1879 by Franz von Soxhlet. [2] It was originally designed for the extraction of a lipid from a solid material. Typically, Soxhlet extraction is used when the desired compound has a limited solubility in a solvent , and the impurity is insoluble in that solvent.
Heating and centrifuging cause the fat to separate and float to the top, in a layer free of bubbles. The amount of fat in the milk can then be estimated from the volume of that layer. The procedure was commonly carried out in a special flask with a long neck, called a Babcock bottle. [1] Specifically, the test consisted of the following steps ...
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The properties of the supercritical fluid can be altered by varying the pressure and temperature, allowing selective extraction. For example, volatile oils can be extracted from a plant with low pressures (100 bar), whereas liquid extraction would also remove lipids.
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The following other wikis use this file: Usage on ar.wikipedia.org جهاز سوكسلت; Usage on be.wikipedia.org Экстракт; Usage on bn.wikipedia.org
A Memorial Sloan Kettering phase 1 clinical trial revealed an immune response in some pancreatic cancer patients. Study co-author Dr. Vinod Balachandran talks about the impact on future cancer care.