Assertion: argon | /r/HasProperty | isolated by fractionation
Facets:
value: from air
type: OTHER
Source sentences:
text: Argon is isolated from air by fractionation, most commonly by cryogenic fractional distillation, a process that also produces purified nitrogen, oxygen, neon, krypton and xenon.
text: Argon is isolated from air by fractionation, most commonly by cryogenic fractional distillation, a process that also produces purified nitrogen, oxygen, neon, krypton and xenon.