- trays)
inside the
column and runs back down into the
liquid below,
thereby refluxing the
upflowing distillate vapor. The
hottest tray is at the
bottom of the...
-
because it is only 98.5% pure.
There are
various refining methods, but the
refluxing process is the most
commonly used. High
purity zinc is
required industrially...
-
higher temperature and pressure. Historically, it has been
synthesized by
refluxing methyl salicylate (wintergreen oil) with an
excess of
sodium hydroxide...
- a
refluxing or a non-
refluxing type, and the two
ureters can be
joined into the
intestinal segment either together or separately. The non-
refluxing type...
- form a
temporary foam
barrier at the LES to
block acid and
pepsin from
refluxing. When
medical management fails,
Nissen fundoplication can be offered....
-
catalyst under Fischer esterification conditions gives propyl acetate,
while refluxing propanol overnight with
formic acid
alone can
produce propyl formate in...
- and o-toluic acid. m-Toluic acid is
often prepared in the
laboratory by
refluxing m-xylene with
either nitric acid or pot****ium permanganate, oxidizing...
- crystals. An
example of this
would be the
synthesis of
porphyrins in
refluxing propionic acid. By
cooling the
reaction mixture to room temperature, crystals...
-
hands of
these researchers,
theophylline and 1,2-dichloroethane-d4 were
refluxed in a
first step at 80-90 °C for 18 h in 2-propanol / 0.75-molar aqueous...
-
vapor constituents may condense.
Ideally suited for laboratory-scale
refluxing; indeed, the term
reflux condenser often means this type specifically...