18 Facts About Barium


Barium is a chemical element with the symbol Ba and atomic number 56.

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Barium was identified as a new element in 1774, but not reduced to a metal until 1808 with the advent of electrolysis.

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Barium compounds are added to fireworks to impart a green color.

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Barium sulfate is used as an insoluble additive to oil well drilling fluid.

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Barium is a soft, silvery-white metal, with a slight golden shade when ultrapure.

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Barium has a medium specific weight and high electrical conductivity.

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Barium is chemically similar to magnesium, calcium, and strontium, but even more reactive.

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Barium combines with several other metals, including aluminium, zinc, lead, and tin, forming intermetallic phases and alloys.

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Barium salts are typically white when solid and colorless when dissolved.

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Barium hydroxide was known to alchemists, who produced it by heating barium carbonate.

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Barium has 10 meta states, of which barium-133m1 is the most stable with a half-life of about 39 hours.

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Barium was first isolated by electrolysis of molten barium salts in 1808 by Sir Humphry Davy in England.

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Barium sulfate was first applied as a radiocontrast agent in X-ray imaging of the digestive system in 1908.

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Barium vapor is condensed and packed into molds in an atmosphere of argon.

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Barium is suitable for this purpose because of its low vapor pressure and reactivity towards oxygen, nitrogen, carbon dioxide, and water; it can even partly remove noble gases by dissolving them in the crystal lattice.

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Barium sulfate is important to the petroleum industry as a drilling fluid in oil and gas wells.

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Barium sulfate has a low toxicity and relatively high density of ca.

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Barium is becoming more popular to be used a base for palaeoceanographic proxies.

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