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Dichloromethane (DCM, methylene chloride, or methylene bichloride) is an organochlorine compound with the formula C H 2 Cl 2. This colorless, volatile liquid with a chloroform-like, sweet odor is widely used as a solvent. Although it is not miscible with water, it is slightly polar, and miscible with many organic solvents. [12]
The first liquid-liquid centrifugal contactor was invented by Walter Podbielniak [3] with the patent filed in 1932, then a series of developed models which were and continue to be used for whole variety of processes including solvent extraction of minerals and the purification of vegetable oils, but notably for the production of penicillin in World War II.
A separatory funnel used for liquid–liquid extraction, as evident by the two immiscible liquids.. Liquid–liquid extraction, also known as solvent extraction and partitioning, is a method to separate compounds or metal complexes, based on their relative solubilities in two different immiscible liquids, usually water (polar) and an organic solvent (non-polar).
Electroextraction corrects for this. Two or three liquid phases that are electrically conductive and immiscible with one another are kept between electrodes, and upon addition of an electric field, charged particles travel from one phase to another separating anions and cations. A two-phase system brings anions into one phase and cations into ...
Texas Lt. Gov. Dan Patrick said U.S.-owned border wall materials, which were available for sale, were pulled from an Arizona auction at the government's request. The Lonestar State had shown ...
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