Ammonia alum powder, also known as ammonium alum, is a chemical compound that is commonly used in a variety of industrial and household applications. It is a type of alum that is made by mixing aluminum sulfate with ammonium sulfate and is typically sold as a fine, white powder.One of the primary uses of ammonia alum powder is as a mordant in textile dyeing. It helps to fix dyes to the fabric and improve their colorfastness. Ammonia alum powder is also used in the production of paper, where it helps to improve the strength and brightness of the paper.
In addition, ammonia alum powder is used as a flocculating agent in water treatment, where it helps to remove impurities and suspended solids from water by causing them to clump together and settle to the bottom of a container. It is also used in the manufacturing of some types of ceramics and as an ingredient in some types of baking powder.