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Additional
fractional distillation
English Wikipedia - The Free Encyclopedia
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Fractional distillation
Fractional distillation
is the
separation
of a
mixture
into its component parts, or
fractions
, separating
chemical compounds
by their
boiling point
by heating them to a
temperature
at which one or more fractions of the compound will
vaporize
. It thus uses
distillation
to
fractionate
. Generally the component parts boil at less than 25 °C from each other under a pressure of one
atmosphere
. If the difference in boiling points is greater than 25 °C, a
simple distillation
is used.
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