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[交流] 【交流】皂化液分为四层是为什么呢?

目标产物为脂溶性成分(从植物叶片中提取的粗提物),为进一步纯化进行皂化反应,水解液为5%NaOH甲醇溶液,含有0.5%焦没食子酸,80度水解1h,冷却后将水解液倒入分液漏斗,液体竟然分成四层是怎么回事啊?
谁来解释下啊?谢谢各位!
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