Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by composition]
6. inorganic material
7. [barium and barium compounds]

Anotations

Scope note:

A whitish, malleable, metallic element from the alkaline earth group, occurring primarily as a sulfate (barite) and less often as a carbonate (witherite). Salts of barium are used as pigments in paints, ceramics, glass, plastics, and rubber, as fillers, as pesticides, and to produce the green color in fireworks.