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Definition of the noun ammonium alum
What does ammonium alum mean as a name of something?
- a white crystalline double sulfate of aluminum: the ammonium double sulfate of aluminum
- lexical domain: Substances - nouns denoting substances
- synonyms of ammonium alum: alum / ammonia alum
- more generic terms: Al / aluminium / aluminum / atomic number 13 = a silvery ductile metallic element found primarily in bauxite; double salt = a solution of two simple salts that forms a single substance on crystallization
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.
- read more about Ammonium aluminium sulfate
Printed dictionaries and other books with definitions for Ammonium alum
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by Robert A. Lewis
A purple nuclear histological stain that is a mixture of an aqueous solution of ammonium alum and an alcoholic solution of aged hematoxylin. alumina. See aluminum oxide and following entries. alumina, activated. A highly porous, granular ...
A Dictionary of Chemistry (2008)
by John Daintith
group aminophenol αaminotoluene ammine ammonia ammoniacal ammonia clock ammoniasoda process ammonium alum ammoniumbicarbonate ammonium carbonate ammonium chloride (sal ammoniac) ammonium hydrogencarbonate ...
by Henry Philippsborn
um ammonium sulphate; ammonium alum ( Prod.) (Pharmaceutical chemistry; AlNH4(SO4)2.12H2O; double salt (see this entry); ...
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 ...
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.
A Dictionary of Science (2017)
by Jonathan Law
aminobenzene amino group aminopeptidase amino sugar α aminotoluene ammeter ammine ammocoete ammonia ammoniacal ammonia clock ammonia– soda process ammonite ammonium alum ammonium carbonate ammonium chloride ...
by Alan E. Comyns
ammonium alum Aloton. ammonium chloride Engechlor. ammonium nitrate NSM, Stengel, Uhde-Hibernia, Victor. ammonium phosphates Cros, Gardinier, Minifos, ...
by Virginia P. Studdert, Clive C. Gay, Douglas C. Blood
any of several substances, including potassium alum, aluminum alum, ammonium alum, potash alum and aluminum potassium sulfate, with strong astringent ...
by Daniel Coit Gilman, Harry Thurston Peck, Frank Moore Colby
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 ...
A Comprehensive Reference Work by Thomas Edward Finegan
+ 12HsO, Ammonium alum □= (NH,)Al(SO<), + 12H,() and sodium alum — NaAKSO,), + 12H.O. the 12II.O representing water of crystaliza- tion which when driven off by heat leaves the product burnt alum. Characteristics and properties: ...
by John Daintith
ammonium alum See alum. ammonium carbonate (sal ...
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 ...
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 ...
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