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Typical assemblies of apparatus for distillation and refluxing

In Fig. 77,13, 3 the distillation is conducted from a flask. This apparatus is used when it is desired to distil the product of a reaction [Pg.86]

In certain circumstances it may be necessary to introduce a short fractionating column between the flask and the condenser the thermometer is then inserted at the top of the column. [Pg.87]

Claisen flask or Claisen flask with fractionating side arm, see Figs. II, 13, (i and II, 13, 5, may be used, particularly if the residue is to be ultimately distilled under diminished pressure) should have a capacity of about twice the estimated volume of the residue after the removal of the solvent. The adapter may be omitted, if desired, and the end of the [Pg.88]

5 and 11,13, 6 illustrate the use of a Claisen flask with fractionating side arm and an ordinary Claisen flask respectively. [Pg.89]

7 and II, 13, 8 depict various set-ups which involve tlio refluxing of a liquid the Liebig condenser may, of course, be replaced by a double-surface condenser. In Fig. II, 13, 7 a calcium chloride guard protects the contents of the flask from ingress of moisture. The [Pg.89]


See other pages where Typical assemblies of apparatus for distillation and refluxing is mentioned: [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]    [Pg.86]   


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