Learn how to "work up" your reaction using a separatory funnel to perform a liquid-liquid extraction.
用分液漏斗示范液-液萃取并学习如何用“完整的反应操作步骤”检查你的反应能否发生。
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Liquid-Liquid Extraction (LLE) is a kind of tradition sample pretreatment method. There are 70 percent of documents which adopt Liquid-Liquid Extraction as a way of sample pretreatment.