Potash Alum (Noun)
Meaning
A white crystalline double sulfate of aluminum: the potassium double sulfate of aluminum.
Classification
Nouns denoting substances.
Examples
- Potash alum is commonly used in the manufacture of paper, leather, and textiles.
- The compound was originally obtained from the mineral alum, which is a naturally occurring form of potash alum.
- Potash alum is also used in water treatment to remove impurities and improve clarity.
- In medicine, potash alum is used as an antiseptic and astringent to treat minor cuts and scrapes.
- Historically, potash alum was used as a mordant in the dyeing of fabrics, helping to fix colors and improve colorfastness.