Аргон

Argon was suspected to be present in air by Henry Cavendish in 1785. It was not isolated until 1894 by Lord Rayleigh and Sir William Ramsay in Scotland. Argon became the first member of the noble gases to be discovered. In 1957, IUPAC agreed that the symbol should change from A to Ar. From the Greek argos, inactive

Аргон

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Аргон

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Uses

Argon gas is used to fill conventional incandescent and fluorescent light bulbs. Argon is also used as an inert gas shield for arc welding and cutting, as blanket for the production of titanium and other reactive elements. It is used as a protective atmosphere for growing silicon and germanium crystals. Used in lighting products. It is often used in filling incandescent light bulbs. Some is mixed with krypton in fluorescent lamps. Crystals in the semiconductor industry are grown in argon atmospheres.

Continuously released into the air by decay of radioactive potassium-40. Pure form is obtained from fractional distillation of liquid air.

0.007 %

Translations

Discovered In 1894 Discovered By Sir William Ramsay, Lord Rayleigh Discovered At Scotland Word Origin From the Greek word «argos» meaning «inactive»

Argon

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https://en.wikipedia.org/wiki/Argon&rut=462d0f89d2369de5844991f8327f4105ec71863a5a80682d80a9c7f8dd5d6ec9
https://www.britannica.com/science/argon-chemical-element&rut=2131268eb8cfa914913c3b6975ca9c3cbaac2adbe34db64c747435760a62f292
https://periodictable.chemicalaid.com/element.php/Ar?lang=en&rut=cbf71dfb6629bd33aa7f12e9b97a372f360d62703a73d8544a092a37c6c6a3ce
https://www.chemicalaid.com/element.php?symbol=Ar&hl=en&rut=dfc37bb8531f153589e408e8412724bd13570f2676f8732a400427104ea63285
https://webbook.nist.gov/cgi/cbook.cgi?ID=7440-37-1&rut=7cf6adc7c90f59c4e2156dbfb1f373c28420fdcc9b09f48bd55231fca93afcf1