Assertion: barium sulfate's compound | /r/MadeOf | barium
Facets:
Source sentences:
text: It is only found naturally when combined with other elements, and compounds containing barium have a wide range of uses; they are found in rat poison, weighting agents in oil drilling fluids, and the white fluid used to visualize intestines in an x-ray diagnostic test called a barium enema.
text: Compounds containing barium have a variety of commercial uses.
text: Chemical compounds containing barium have been known since the Middle Ages, but the discovery of the element came after this time.