B
Ÿ
chner Funnel
Stemmed Funnel
Stemless Funnel
A
BŸchner funnel
is the white porcelain funnel. It requires a gray
or black adaptor or
rubber stopper
with a hole in it to connect it to
the top of a filtration flask.
A BŸchner funnel is
used exclusively for vacuum filtrations
.