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. salt (inorganic material)

Anotations

Scope note:

Colorless double salt first prepared in La Rochelle, France, and thus also known as Rochelle salt. It is used as an analytical reagent, as a laxative, and in making mirrors.In conservation science, it is used in saturated solution as a cleaning agent on bronze and other metal objects.