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Bookmark or Share- What is Alum | About Alum and Alum Substitution | McCormickarticles. WHAT IS ALUM? Alum, also known as potassium aluminum sulfate, is a naturally occurring mineral compound used across cultures and industries in various ways. The most common type of alum found in kitchen pantries is potassium alum.
- Alum for skin: Uses, benefits, and safety - Medical News TodayHow to use. Side effects. Summary. Alum is a compound that contains aluminum. In cosmetics, alum usually refers to potassium alum, which has astringent and antibacterial properties. However, it...
- Alum - WikipediaAn alum ( / ˈæləm /) is a type of chemical compound, usually a hydrated double sulfate salt of aluminium with the general formula XAl (SO. 4) 2·12 H. 2O, such that X is a monovalent cation such as potassium or ammonium. [1] . By itself, "alum" often refers to potassium alum, with the formula KAl (SO. 4) 2·12 H. 2O.
- ALUM | definition in the Cambridge English Dictionaryalum noun [C] (past member) short for alumnus : someone who studied at a particular school, college, or university: Paul, although an Englishman, is an Arizona State alum. The interviewer asks a few questions, including whether the applicant is the child of an alum.
- Alum | Definition, Uses, Formula, & Facts | Britannicaalum, any of a group of hydrated double salts, usually consisting of aluminum sulfate, water of hydration, and the sulfate of another element. A whole series of hydrated double salts results from the hydration of the sulfate of a singly charged cation (e.g., K +) and the sulfate of any one of a number of triply charged cations (e.g., Al 3+ ).
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