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. [potassium and potassium compounds]
8. potassium compounds

Anotations

Scope note:

A potassium salt of lactic acid used to treat leather to counteract acid present in the leather from manufacturing processes or from air pollution; it is also used to safeguard against future incursion of acid or acid-forming material. Some controversy exists over the possible discoloration potassium lactate may cause to leather as well as its overall effectiveness as a leather/acid buffer.