Assertion: hydrocarbon's boiling point | /r/HasSubevent | change
Facets:
value: in relative concentration
type: OTHER
value: because of fractional distillation
type: CAUSE
Source sentences:
text: The R-400 series is made up of zeotropic blends (those where the boiling point of constituent compounds differs enough to lead to changes in relative concentration because of fractional distillation) and the R-500 series is made up of so-called azeotropic blends.