2.5. Fractional distillation
This process was performed at normal pressure using a Vigreux
column. Three fractions were collected. The first corresponding to
the compounds obtained at temperatures ranging between 45 and
77 C, this was called head. The second fraction was called body
and was collected at temperatures between 78 and 85 C. Finally,
the third fraction was called tail and was collected between 89
and 95 C. The volumes of each fraction were recorded