Where does argon come from?

Where does argon come from? · 2:10 · Intellect Plus

In short: How argon, a quiet noble gas hidden in the air, was discovered and how it is obtained commercially by liquefying air and separating it through fractional distillation.

A 2:10 short film in the series “How Things Work”, narrated by intellect_voice_01.

Sources used in this film: U.S. Geological Survey (USGS), Isotope Tracers Project; review assembled by Dan Snyder and Carol Kendall, “USGS -- Isotope Tracers -- Resources”; U.S. Geological Survey (USGS Publications Warehouse); conference paper published by the Society for Geology Applied to Mineral Deposits, “40Ar/39Ar geochronology supporting mineral resources research at USGS Denver”; National Energy Technology Laboratory (NETL), U.S. Department of Energy, “A Breath of Fresh Air: NETL's OASIS Technology Poised To Revolutionize Oxygen Production”; Royal Society of Chemistry, “Argon - Element information, properties and uses | Periodic Table”; Springer (Springer Science+Business Media), chapter by Jennifer Wilcox, Stanford University, in the book Carbon Capture (2012), “Cryogenic Distillation and Air Separation”; OSTI.GOV (U.S. Department of Energy, Office of Scientific and Technical Information), “Argon recovery from hydrogen depleted ammonia plant purge gas using a HARP Plant (Conference) | OSTI.GOV”; Encyclopaedia Britannica, “Argon | Properties, Uses, Atomic Number, & Facts | Britannica”; Encyclopaedia Britannica, “Periodic table | Definition, Elements, Names, Symbols, Groups, Charges, & Facts | Britannica”.

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