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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.
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.
Hand centrifuge for the Babcock test Hand centrifuge for the Babcock test. The Babcock test is an inexpensive and practical procedure to determine the fat content of milk.It is named after its developer, Stephen M. Babcock (1843–1931), professor at the University of Wisconsin.
Created Date: 8/30/2012 4:52:52 PM
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T. Misaka / Seminars in Cell & Developmental Biology 24 (2013) 222–225 223 Fig. 1. The “miracle fruit”, R. dulciļ¬ca. to easily consume these foods due to the sweetness produced by
The Marcusson apparatus, Dean-Stark apparatus, Dean–Stark receiver, distilling trap, or Dean–Stark Head is a piece of laboratory glassware used in synthetic chemistry to collect water [1] [2] (or occasionally other liquid) from a reactor.
Reverse pipetting is a technique to dispense a measured quantity of liquid by means of air displacement pipette.The technique is mainly recommended for solutions with a high viscosity or a tendency to foam: [1] as it reduces the risk of splashing, foam or bubble formation.