By itself, alum often refers to potassium alum, with the formula KAl (SO. 2O. Other alums are named after the monovalent ion, such as sodium alum and ammonium alum.

May 28, 2025 · 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 …

May 5, 2024 · Alum is a type of chemical compound that is commonly used in everyday and industrial applications. You'll find alum in everything from baking powder and toothpaste to cosmetics and …

Jul 15, 2025 · Alum is a naturally occurring mineral salt with powerful astringent, antibacterial, and deodorizing effects. It is used in oral hygiene, wound care, water purification, food preservation, and …

Alums occur naturally in various minerals. Potassium alum, for example, is found in the minerals kalinite, alunite, and leucite, which can be treated with sulfuric acid to obtain crystals of the alum. Most alums …

Apr 5, 2024 · Alum is a granular powder or crystalline mass that is odorless, colorless, and transparent. It has a flavor that is both sweet and astringent. Its molecular weight is 458.28 grams per molecule. …

Oct 19, 2024 · Understanding Alum and Its Role in Wastewater Treatment Wastewater treatment is a crucial component of environmental management, ensuring that water is clean and safe for both …

Jun 22, 2025 · What Is Alum? Alum is a naturally occurring mineral salt, typically found in a crystalline form. The most common type used for household or medicinal purposes is potassium alum (or …

A little over a hundred years ago the shortened form of alum began to be used to describe a graduate or past attendee of either gender. Although many people feel that alum is informal, it is in increasing …

Jan 29, 2025 · At its core, an alum is a double salt, typically formulated as XAl (SO 4) 2 ·12H 2 O, where X represents a monovalent cation such as potassium (K +), sodium (Na +), or ammonium (NH 4+). …