Sentence Examples with the word fractionation

Mansfield to facilitate the fractionation of paraffin and coaltar distillates, consisted in having a pipe leading from the inclined delivery tube of the still to the still again, so that any vapour which condensed in the delivery tube was returned to the still.

By such a study in the ultra-violet region of a fraction prepared from crude yttria he detected a new element victorium, and subsequently by elaborate fractionation obtained the element itself.

The first successful fractionation of coal-tar naphtha was devised by C. B.