| E |
|
| Effervescence |
Bubbling
by the liberation of a gas (for example when acid is added to a carbonate
solution). |
| End
Point |
The point
in which a titration results in a colour change and where the titre
is recorded. |
| Equivalence
Point |
When
the correct (stoichiometric) amount has been added in a titration.
This is not the same as the end point but if the titration is carried
out properly and a suitable indicator is used the end point will be
an accurate reflection of the equivalence point. |
| Eluate |
The
solvent that emerges from the column in a chromatographic separation. |
| Eluent |
The
solvent used in a chromatographic separation. |
| Elute |
Literally
means 'to wash' and it is the term used to describe the passage of
solvent through the stationary phase in chromatography. |
| Erlenmeyer
Flask |
An
alternative name for a conical flask. |
| Ether |
The
trivial name for diethyl ether. |
| Ethyl
Acetate |
The
trivial name for ethyl ethanoate. |
| Extract
(verb) |
The
action of removing a compound from a solution by shaking with an
immiscible solvent.
|
| Extract
(noun) |
The
separated immiscible liquid that has been used to extract a compound
from a solution. |
| Extrapolation |
The process
of constructing new data points beyond measured points, for example
by extending a line of best fit beyond the plotted points. |