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. [calcium and calcium compounds]
11. calcium compounds
12. calcium oxide
13. calcium hydroxide

Anotations

Scope note:

Calcium hydroxide particles with submicrometric dimensions synthesized by a chemical precipitation process. The nanoparticles dispersed in ethanol have been used as a conservation treatment for consolidating calcareous historic materials damaged by water uptake.