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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

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.

Will alum kill you?

Alum in small amounts is generally safe for consumption, but ingesting large quantities can be harmful, causing nausea, vomiting, and stomach pain. It is important to use alum in cooking or pickling in recommended quantities.

Where can you buy alum in Oahu Hawaii?

Alum can be purchased at local pharmacies, health food stores, or online retailers in Oahu, Hawaii. You can also check with specialty cooking stores to see if they carry alum for food-related uses.

Is Aluminium sulphate same as alum powder?

Alum powder refers to potassium alum or ammonium alum, while aluminum sulfate is a different compound. Alum powder is a naturally occurring mineral with astringent properties used for various purposes including pickling and medicinal uses. Aluminium sulfate is a synthetic compound commonly used in water treatment, paper production, and as a mordant in dyeing.

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's alum salt?

Alum salt is a chemical compound that is commonly used for various purposes such as in pickling to create crispness, in baking powder as a leavening agent, and in cosmetics as an astringent. It has astringent and antiseptic properties that make it useful in various applications.

Alum the spice?

Alum is a spice for food.

What is the common name for potash alum?

The common name for potash alum is alum.

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.