Assertion: petroleum ether | /r/MadeOf | aliphatic hydrocarbons
Facets:
value: mainly
type: DEGREE
Source sentences:
text: Petroleum ether is the petroleum fraction consisting of aliphatic hydrocarbons and boiling in the range 35‒60 °C, and commonly used as a laboratory solvent.
text: Petroleum ether consists mainly of aliphatic hydrocarbons and is usually low on aromatics.