Liquid-liquid extraction

Japanese: 液液抽出 - えきえきちゅうしゅつ
Liquid-liquid extraction

…The liquid obtained by extraction, mainly consisting of the solvent, is called the extract, and contains a large amount of the desired substance as a solute. When the raw material mixture is liquid, it is called liquid-liquid extraction, and when it is solid, it is called solid-liquid extraction or solid extraction. In the case of liquid-liquid extraction, the raw liquid and the solvent form two phases, and the two phases are separated due to the difference in specific gravity, so the desired substance, i.e., the solute, can be selectively transferred and separated into the solvent phase. …

*Some of the terminology explanations that mention "liquid-liquid extraction" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…抽出によって得られる溶剤を主とする液を抽出液といい,これには目的とする物質が溶質として多く含まれることになる。原料混合物が液体であるときを液液抽出,固体であるときを固液抽出または固体抽出という。液液抽出の場合には,原液と溶剤とが二つの相を形成し,比重の差により2相に分離するので,希望する物質すなわち溶質を選択的に溶剤相に移動分離することができる。…

※「液液抽出」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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