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6 Isotopes

Naturally occurring barium is a mix of seven stable isotopes. There are twenty-two isotopes known, but most of these are highly radioactive and have half-lifes in the several millisecond to several minute range. The only notable exception is barium-133 which has a half-life of 10.51 years.

7 Precautions

All water or acid soluble barium compounds are extremely poisonous.

Oxidation occurs very easily and, to remain pure, barium should be kept under a petroleum-based fluid (such as kerosene) or other suitable oxygen-free liquids that exclude air. Barium sulfate can be used in medicine only because it does not dissolve, and is eliminated completely from the digestive tract.

8 External links

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BariumBarium is also the latin name for the city Bari in Italy. Barium is a toxic chemical element in the periodic table that has the symbol Ba and atomic number 56. A soft silvery metallic element, barium is an alkaline earth metal and melts at a very high tem	Barium enemaA barium enema also called a lower gastrointestinal series is a medical procedure used to examine and dignose problems with the human large intestines. An X-ray examination of the large intestines, pictures are taken after rectal instillation of barium su	Barium hydroxideBarium hydroxide is a basic chemical compound, with the chemical formula Ba( OH). This compound is also called barium dihydroxide and has a molar mass of 171. 34 g, a melting point of 78o C, and a white granular or powdery appearance. The monohydrate is t
Barium sulfateBarium sulfate (or barium sulphate Ba S O) is a compound (a type of salt made from barium and sulphur) frequently used clinically as a radiocontrast agent for X-ray imaging and other diagnostic procedures. It has a specific gravity of 4. 5 and is essentia	Barium carbonateBarium carbonate ( Ba CO) is a chemical compound used in rat poison, bricks, and cement.	Barium mealA barium meal is a preparation containing barium sulfate that is used in conjunction with X-rays in the medical diagnosis of the digestive system. A patient will ingest a barium meal some time before undergoing one or more X-ray procedures. Because barium
Barium chloride	Barium nitrate

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