What is Barium sulfate?
[[File:Bariumsulfat.JPG|thumb|Barium sulfate]] '''Barium sulfate''' is a [[chemical compound]] composed of [[barium]] and [[sulfate]] [[ion]]s. It contains barium in the +2 [[oxidation state]], as in all barium compounds. It does not dissolve in water. If it did, it would be very toxic. It is used in [[X-ray]]s of the [[stomach]] and [[intestines]] to see whether there is a problem with them. Its chemical formula is BaSO<sub>4</sub>. ==Related pages== *[[Barium]] *[[Calcium]], a similar element *[[Strontium]] {{chem-stub}} {{authority control}} [[Category:Sulfur compounds]] [[Category:Barium compounds]]