The undissolved hydrocarbon is similarly purified by fractional distillation, and furnishes the solid crystalline naphthalene.
Hofmann proved the existence of benzene in the light oils from coal-tar, and in 1848 Hofmann's pupil, Mansfield, isolated considerable quantities of this hydrocarbon from the said light oils by fractional distillation.
The resulting product is submitted to fractional distillation, and the liquid passing over between 163 deg.
Radium is now obtained by fractional distillation of solutions obtained from American and Australian pitchblende.
The process of separating a mixture of volatile substances by distillation is known as fractional distillation.
It is possible to separate the dioxide from the water by fractional distillation.
In this process the petroleum is run into large iron stills and subjected to fractional distillation.
The alcohol remains in the flask A and may be separated by fractional distillation.
This process is known as fractional distillation, and it will be noticed that it consists essentially in collecting and liquefying separately those vapours which are given off at different ranges of temperature.
The first step in the operations is fractional distillation, after the manner just described for petroleum.
Thus, by the continued operation of the chemical process known as fractional distillation of the immediate products of coal-tar, these various series of useful oils are prepared.
Purification of the product is afterwards carried out by a process of fractional distillation.
By fractional distillation is meant the separation of a mixture having components which boil at neighbouring temperatures.
If a complex mixture be operated upon, and a separation effected by collecting the distillates in several portions, the operation is termed "fractional distillation.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "fractional distillation" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.