乙醚萃取具体操作
乙醚萃取具体操作
数学人气：861 ℃时间：2020-01-31 08:31:02
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在分液漏斗中加入水相,再加入乙醚,塞紧,倒置45°角,切勿晃动,通过考克放气,摇晃数下,再放气,来回三次,静置,注意把上面的塞子拿掉,由于乙醚比水轻,所以分层后乙醚在上层
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