Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. colorant (material)
7. pigments
8. [pigment by color]
9. yellow pigment
10. inorganic yellow pigment

Anotations

Scope note:

A manufactured compound of bismuth that occurs naturally as the mineral bismite. It is a heavy yellow powder, insoluble in water and soluble in acids, used as a pigment for enamels and ceramics. Also used in reflectance/transmittance testing as a colorant that permits "tagging" of a fill or coating in order to evaluate its effectiveness.