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.
Argon diisolasi dari udara melalui fraksionasi, paling umum dengan cara distilasi fraksi kryogenik, suatu proses yang juga menghasilkan nitrogen, oksigen, neon, kripton dan xenon murni.