Barium is often used in barium-nickel alloys for spark-plug electrodes in vacuum tubes as drying and oxygen-removing agent. It is also used in fluorescent lamps: impure barium sulphide phosphoresces after exposure to the light. Barium compounds are used by the oil and gas industries to make drilling mud. Drilling mud simplifies drilling through rocks by lubricating the drill. Barium compounds are also used to make paint, bricks, tiles, glass, and rubber. Barium nitrate and chlorate give fireworks a green colour.
everything
Barium doesn't have a lot of uses, but barium sulfate is used in medicine as a contrast agent in some imaging.
Pure barium is very hard to prepare, to the extent that many of its properties are unknown. The these circumstances it is difficult to identify the uses of the pure element.
Radiography
Barium sulphide is primarily used in the manufacturing of various types of luminous paints, as well as in the production of phosphors for electronic displays and cathode-ray tubes. It can also be utilized in the synthesis of other barium compounds and as a precursor in chemical reactions.
Barium can form both barium peroxide (BaO2) and barium oxide (BaO) depending on the conditions. Barium peroxide is formed when barium reacts with oxygen in excess. Barium oxide is commonly formed when barium reacts with oxygen in limited supply or at high temperatures.
Barium hydroxide is a strong base that dissolves in water to form barium ions and hydroxide ions. It is a white solid at room temperature and is highly soluble in water. Barium hydroxide is commonly used in laboratories for titrations and as a reagent in organic synthesis. It is also used in the production of lubricating oils, sugar refining, and as a corrosion inhibitor.
Barium oxide is formed from barium and oxygen.
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Barium sulfate is insoluble in water, while barium carbonate will dissolve. As barium carbonate dissolves in water, it dissociates, and the barium ions are freed. The barium ions are toxic, and that is the crux of the issue.
Barium Dichloride is NOT correct. The name is Barium Chloride it is a binary ionic compound.
Barium sulphate to barium sulphate is NO CHANGE!