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Additionally, the interfacial tension between the phases should be precise if the tension is too low, disengagement becomes increasingly difficult.Ī lab tech will then place the two liquids in a container and shake or stir them together. The chosen solvent should also be noncorrosive and possess good recoverability. First, one must consider the ease with which the solvent can extract the solute from the feed solution. When choosing a solvent, there are a few factors to consider in order to facilitate the most valuable results. The process begins with a solvent and a feed solution which contains the solute for extraction. Then comes phase separation, in which the two immiscible liquids become separate once again. To complete this transfer, the two liquids must make contact and mix. Lab techs will transfer a solute from one solvent to another. This process uses two immiscible liquids, typically one aqueous and one organic, in order to separate compounds. Also known as solvent extraction or partitioning, liquid-liquid extraction is a process used across many industries.
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