Ammonia Alum (Noun)
Meaning
A white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum.
Classification
Nouns denoting substances.
Examples
- The chemist carefully handled the container of ammonia alum to avoid exposure to its irritating fumes.
- In the laboratory, ammonia alum was used as a mordant to fix dyes onto fabric.
- Ammonia alum is a key component in the production of baking powder and baking soda.
- The historian researched the ancient Egyptians' use of ammonia alum as a dye fixative in textile production.
- Ammonia alum crystals were dissolved in water to create a solution used for various industrial applications.