Wednesday, February 14, 2007

Inert Gas of the Week--Krypton



Krypton is a far-distant planet which was the home world of Superman until it exploded into fragments as the result of a cataclysmic chain reaction originating at the planet's core.

Okay, now Krypton the inert gas.

Krypton is characterized by its brilliant green and orange spectral lines. Krypton is present in the air to the extent of about 1 ppm. The atmosphere of Mars has been found to contain 0.3 ppm of krypton. It is a rare and expensive gas. Because of this, uses and application is limited. Krypton is used in certain photographic flash lamps for high-speed photography. Some fluorescent light bulbs are filled with a mixture of krypton and argon gases. Krypton gas is also combined with other gases to make luminous signs that glow with a greenish-yellow light.

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