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Alums are useful for a range of industrial processes. They are soluble in water; have an astringent, acid, and sweetish taste; react acid to litmus; and crystallize in regular octahedral. When heated they liquefy; and if the heating is continued, the water of crystallization is driven off, the salt froths and swells, and at last an amorphous powder remains. Potassium alum is the common alum of commerce, although soda alum, ferric alum, and ammonium alum are manufactured. Aluminum sulfate is sometimes called alum in informal contexts, but this usage is not regarded as technically correct.

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Q: What other uses are there for alum?
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Related questions

Will alum kill you?

No as a mater of fact alum is used in the preparation of food and the purification of water as well as having medicinal uses.


What alum are used for?

it is used for water treatment in industries and water cleanong in domestic uses


Is any solvent which dissolve alum other than water?

Alum is also soluble (less) in Methanol and Ethanol.


What's alum salt?

Alum is a chemical (aluminium potassium sulphate), It tends to be whitish powder with several uses, including: * As an astringent * As an antibacterial * As a food preservative * As a 'Styptic pencil' to quickly heal shaving cuts * To stem the flow of minor blood loss and cuts * Soaked into materials to make them flame retardant There are other uses, but these are some of the more common ones...


What is the meaning of alum?

A double sulphate formed of aluminium and some other element (esp. an alkali metal) or of aluminium. It has twenty-four molecules of water of crystallization., To steep in, or otherwise impregnate with, a solution of alum; to treat with alum.


How is alum powder packaged?

Powdered alum should be packaged in a sealed air- tight container. It is stored and packaged just like other spices.


Where is the Alum Creek in Alum Creek located?

The address of the Alum Creek is: Fuquay Creek, Alum Creek, 25003 0530


What is difference between feeric alum and non ferric alum?

non ferric alum is the purer form of alum as compared to Ferric alum. Non ferric alum is used in pulp and paper industry while ferric alum is used in water treatment plants.


Making of ferric alum?

Ferric alum


Is a alum deliquescent?

yes alum is deliquescent


Alum the spice?

Alum is a spice for food.


Is alum the same thing as aluminum chlorohydrate?

Potash alum is another name for potassium alum. Alum is a class of molecular compounds, and included in the class is potassium alum. So, they are not the same thing, but yet very similar in that potash alum is a member of the alum class.