Various methods of fractionation are similarly available, chiefly the precipitation of the intermediate 'dextrins' by alcohol.
The acids obtained from the third fractionation had a melting point of 53°-54° C.
This is purified by fractionation in iron stills and distillation over caustic soda.
Another method of preparing argon is by fractionation of liquid air.
This doubling or fractionation of the consciousness and personality have often been described in the case of hysterical subjects.
An improved form of apparatus for the fractionation is represented in fig. 9.
Or the separation may be effected by a method of fractionation as described above.
fractionation frac·tion·a·tion (frāk'shə-nā'shən)
The process of dividing or separating into parts; breaking up.
The division of a total therapeutic dose of radiation into small doses to be administered over a period of days or weeks.
The separation of a chemical compound into components, as by distillation.