Barium

:Barium is also the Latin name for the city Bari in Italy.

Applications

Barium is primarily used in sparkplugs, vacuum tubes, fireworks, and in fluorescent lamps.

Related Topics:
Sparkplug - Vacuum tube - Fireworks - Fluorescent lamp

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Also:

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• A "getter" in vacuum tubes.
• Barium sulfate is permanent white and is used in paint, in X-ray diagnostic work, and in glassmaking.
• Barite is used extensively as a weighing agent in oil well drilling fluids and in rubber production.
• Barium carbonate is a useful rat poison and can also be used in making glass and bricks, while barium nitrate and chlorate give green colors in fireworks.
• Impure barium sulfide phosphoresces after exposure to the light.
• Barium salts, especially barium sulfate, are sometimes given orally (a barium meal) or as an enema, to increase the contrast of medical X-rays of the digestive system.
• Lithopone, a pigment that contains barium sulfate and zinc sulfide, has good covering power, and does not darken in when exposed to sulfides.