Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by function]
6. surface preparation materials

Narrower term/s

• aqua fortis
• Dutch mordant[+]
  • Smillie's bath

Anotations

Scope note:

Chemical substance that fixes a dye in or on a substance by combining with the dye to form an insoluble compound. In etching, refers to a corrosive substance, such as a nitric acid solution, used to corrode or bite the exposed areas of a metal plate. In gilding, refers to a viscous substance used to adhere the gold leaf to a surface.