It contains barium in the +2 oxidation state, as in all barium compounds.
Meanwhile, a fourth material, containing thallium, barium, calcium, copper and oxygen, has been discovered by a group at the University of Arkansas.
The glass envelopes contains toxic lead and barium as X-ray radiation shielding.
To make the intestine visible on an X-ray picture, the colon is filled with a contrast material containing barium.
The patient drinks a liquid that contains barium (a silver-white metallic compound).
A related family of industrially useful "hexagonal ferrites" are known, also containing barium.
It is a phosphate mineral which contains barium and is a green to yellow colour.
The patient drinks a liquid that contains barium (a silver-white metalliccompound).
