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. metal
8. [metal by composition or origin]
9. nonferrous metal
10. [silver, silver compounds, alloys]
11. silver compounds
12. silver halide

Anotations

Scope note:

A pale-yellow, water-insoluble powder, AgI, which darken upon exposure to light, produced by the reaction of silver nitrate with an iodide. It was used chiefly in the manufacture of photographic emulsions from about 1875-1880.