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Ammonium alum

Ammonium alum is a tautogram (all words start with the same letter). View more tautograms!

Definition of the noun ammonium alum

What does ammonium alum mean as a name of something?


  1. a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum


Ammonium alum a.k.a. Ammonium aluminium sulfate, also known as ammonium alum or just alum, is a white crystalline double sulfate usually encountered as the dodecahydrate, formula Al₂·12H₂O. It is used in small amounts in a variety of niche applications. The dodecahydrate occurs naturally as the rare mineral tschermigite.

Printed dictionaries and other books with definitions for Ammonium alum

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Google previewThe Facts on File Dictionary of Inorganic Chemistry (2009)

by John Daintith

ammonium alum See alum. ammonium carbonate (sal ...

Google previewA Consumer's Dictionary of Cosmetic Ingredients (2010)

Complete Information About the Harmful and Desirable Ingredients in Cosmetics and Cosmeceuticals by Ruth Winter

AMMONIUM ALGINATE • See Alginates AMMONIUM C12–15 ALKYL SULFATE • See Quaternary Ammonium Compounds AMMONIUM ALUM • Used in astringents and mouthwashes. See Alum AMMONIUM BENZOATE • White crystals or ...

Google previewDictionary of Physical Sciences (1976)

by John Daintith

ammonium alum. See alum. ammonium carbonate. A white powder with an odour of ammonia, made by heating ammonium chloride with calcium sulphate. It is a mixed salt of ammonium bicarbonate and ammonium ...

Google previewA Dictionary of Chemistry (2016)

by Richard Rennie, Jonathan Law

Ammonium alum is AlNH4(SO4)2.12H2O, chrome alum is ...

Google previewLivestock Health Encyclopedia (2013)

by Rudolph Seiden, Richard R. Dykstra, W. James Gough

AMMONIUM ALUM. ->ALUM. AMMONIUM BICARBONATE or acid ammonium carbonate is contained in AMMONIUM CARBONATE (U.S.P). AMMONIUM CARBAMATE or ammonium carbaminate is closely related to AMMONIUM ...

Google previewElsevier's Dictionary of Vitamins and Pharmacochemistry (2006)

by Henry Philippsborn

um ammonium sulphate; ammonium alum ( Prod.) (Pharmaceutical chemistry; AlNH4(SO4)2.12H2O; double salt (see this entry); ...

Google previewThe Sterling Dictionary Of Chemistry (1999)

by Anand Dhingra

AMMONIUM ALUM : Alum containing ammonium sulphate as a component. AMMONIUM BICARBONATE : NH4HCO3; A white crystalline compound prepared by passing excess amount of carbon dioxide in aqueous ammonia solution.

Google previewEncyclopedia of Human Nutrition, Four-Volume Set (2005)

by Lindsay Allen, Andrew Prentice

pickling Anticaking agent for powders Anticaking agent for powders Anticaking agent for powders Aluminum ammonium sulfate (ammonium alum) Aluminum potassium sulfate (potassium alum) Aluminum sodium sulfate (soda/sodium alum ) ...

Google previewFoods and Food Production Encyclopedia (2012)

by Douglas M. Considine

Alcohol (Ammonium alum) or powder). Odorless. Strongly (insoluble). Glycerin ( freely Buffer ...

Google previewA Dictionary of Applied Chemistry (1916)

by Sir Thomas Edward Thorpe

The corresponding ammonium alum is more permanent, and has been proposed as a standard in titrations ...

Google previewNew International Encyclopedia (1914)

Ammonium alum is found native as tscher- migite, and is artificially made by combining ammonium sulphate with aluminum sulphate as previously described. The low cost of ammonium sulphate, obtained as a by-product in the manufacture of ...

Google previewDictionary of Ceramic Science and Engineering (2012)

by Loran O'Bannon

ammonium alum. Al2(SO4)3(NH4)2SO4:24H2O or ...

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Small photo of macro shooting of natural mineral stone - Ammonium aluminium sulfate (ammonium alum, alum) raw stone isolated on white background More...

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