如果还有Na 残留，加iPrOH。在hood里面加。如果担心有peroxide，按下面的方法试一
下。 http://cool.conservation-us.org/waac/wn/wn06/wn06-2/wn06-205.html
Ether.
Ether, diethyl ether and ethyl ether all refer to the same material.
Petroleum ether (pet ether) is not the same chemical and is handled like the
solvents. Ether is terribly dangerous because it is highly flammable and a
terrific explosion hazard. Its vapor is heavier than air and creeps along
the floor. If it finds an open flame, the fire can flash back to the
contain
