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. [sulphur and sulphur compounds]
8. sulfur compounds

Narrower term/s

• alkaline sulfite
• magnesium sulfite
• sodium sulfite
• copper sulfite

Anotations

Scope note:

A salt of sulfurous acid, usually with a qualifying term indicating the base, such as magnesium sulfite, sodium sulfite, or copper sulfite. The sulfites are recognized by their giving off the smell of sulfurous acid when acted on by a stronger acid.