Assertion: volume butadiene | /r/HasAspect | three carbon atoms
Facets:
Source sentences:
text: This mixture may contain by volume 90.0% butadiene, 7.3% acetaldehyde, 2.5% four carbon atom hydrocarbons other than butadiene, and only 0.2% hydrocarbons having three carbon atoms or less, when the column is operated under a pressure of 65 to 70 p. s. i., and with a head and base temperature of 480 and 1150 C. respectively.