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萃取实验操作步骤
更新时间: 2020-07-13 00:00:00  

步骤如下:

1、查漏,检查分液漏斗的盖子和旋塞是否严密 ;

2、加药品,将被萃取溶液和萃取剂分别由分液漏斗的上口倒入,盖好盖子;

3、倒振,振荡分液漏斗,使两相液层充分接触;

4、静置,将分液漏斗放在铁环中静置;

5、放液,等到明显分层打开活塞放出下层液体,上层液体由上口倒出。

关键词: 实验 操作 步骤

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