TERMIUM Plus®

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AL2(SO4)3 [4 records]

Record 1 2012-06-13

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
AlH4NO8S2
formula, see observation
Al2(SO4) 3(NH4) 2SO4. 24H2O
formula, see observation
AlNH4(SO4)2·12H2O
formula, see observation
NH4Al(SO4)2·12H2O
formula, see observation
Al2(SO4) 3,(NH4) 2SO4, 24H2O
formula, see observation
DEF

A chemical product in the form of odorless, colorless crystals having a strong astringent taste which is soluble in water and glycerol, is insoluble in alcohol, is derived by crystallization from a mixture of ammonium and aluminum sulfate and is used as a mordant in dyeing, in water and sewage purification, in sizing paper, in retanning leather, as a clarifying agent, as a food additive, in baking powders, in the cereal industries, as a buffer and a neutralizing agent in milling, in the manufacture of lakes, pigments, vegetable glue and artificial gems, for fireproofing, and in the treatment of fur.

OBS

aluminium ammonium bis(sulfate)dodecahydrate: form recommended by the IUPAC (International Union of Pure and Applied Chemistry).

OBS

The IUPAC recommends the form "aluminium" instead of "aluminum."

OBS

Chemical formula: AlH4NO8S2 or Al4(SO4)3(NH4)2SO4.24H2O or AlNH4(SO4)2·12H2O or NH4Al(SO4)2·12H2O or Al2(SO4)3,(NH4)2SO4,24H2O

Key term(s)
  • burnt ammonium alum
  • exsiccated ammonium alum

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
AlH4NO8S2
formula, see observation
Al2(SO4)3(NH4)2SO4.24H2O
formula, see observation
AlNH4(SO4)2·12H2O
formula, see observation
NH4Al(SO4)2·12H2O
formula, see observation
Al2(SO4)3,(NH4)2SO4,24H2O
formula, see observation
DEF

Produit chimique se présentant sous la forme de cristaux incolores, inodores, à saveur astringente, soluble dans l'eau et la glycérine, insoluble dans l'alcool, que l'on prépare en combinant des sulfates d'ammoniaque et d'aluminium, et que l'on utilise pour l'épuration des eaux, le mordançage des tissus, la tannerie, les laques, comme agent d'ignifugation, dans la fabrication des savonnettes et comme agent thérapeutique.

OBS

bis(sulfate) d'aluminium et d'ammonium dodécahydrate : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).

OBS

Formule chimique : AlH4NO8S2 ou Al4(SO4)3(NH4)2SO4.24H2O ou AlNH4(SO4)2·12H2O ou NH4Al(SO4)2·12H2O ou Al2(SO4)3,(NH4)2SO4,24H2O

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
AlH4NO8S2
formula, see observation
Al2(SO4)3(NH4)2SO4.24H2O
formula, see observation
AlNH4(SO4)2·12H2O
formula, see observation
NH4Al(SO4)2·12H2O
formula, see observation
Al2(SO4)3,(NH4)2SO4,24H2O
formula, see observation
OBS

Fórmula química: AlH4NO8S2 o Al4(SO4)3(NH4)2SO4.24H2O o AlNH4(SO4)2·12H2O o NH4Al(SO4)2·12H2O o Al2(SO4)3,(NH4)2SO4,24H2O

Save record 1

Record 2 2011-06-17

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
DEF

A mineral which consists of a white, fibrous aluminum sulphate occurring as an incrustation or efflorescence in the walls of mines or in quarries.

OBS

alunogen: ... [means] to make alum.

OBS

Chemical formula: Al2(SO4)3•18H2O

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
DEF

Minéral du système triclinique constitué de sulfate hydraté d'aluminium, se présentant en masses fibreuses ou en encroûtements blancs à jaunes.

OBS

Formule chimique : Al2(SO4)3•18H2O

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
DEF

Sulfato de aluminio hidratado [...] que cristaliza en el sistema monoclínico.

OBS

Fórmula química: subíndice Al2(SO4)3•18H2O

Save record 2

Record 3 2011-05-03

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
Al2(SO4)3
formula, see observation
Al2O12S3
formula, see observation
DEF

A salt ... colorless when pure that crystallizes with 18 molecules of water (octadecahydrate) ... that is usually made by treating bauxite with sulfuric acid, and that is used chiefly in papermaking, in water purification, in sewage treatment, in tanning, in dyeing as a mordant, and in flameproofing.

OBS

Aluminium sulfate is also used as a modifier for food starch, and in the making of pesticides, antiseptics, and detergents.

OBS

alum: used chiefly commercially.

OBS

The commercial product is also known as "cake alum" or "patent alum."

OBS

The International Union of Pure and Applied Chemistry (IUPAC) recommends the form "aluminium" instead of "aluminum."

OBS

Chemical formulas: Al2(SO4)3 or Al2O12S3

Key term(s)
  • aluminum sulphate
  • aluminium sulphate
  • paper makers’ alum

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
Al2(SO4)3
formula, see observation
Al2O12S3
formula, see observation
DEF

Produit chimique se présentant sous la forme de masses blanches déliquescentes (octadécahydrate), à saveur très astringente, utilisé pour l'encollage du papier, l'industrie du cuir, les laques, la purification de l'eau, en microscopie, comme agent thérapeutique et comme mordant.

OBS

Formules chimiques : Al2(SO4)3 ou Al2O12S3

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
Al2(SO4)3
formula, see observation
Al2O12S3
formula, see observation
OBS

Fórmulas químicas: Al2(SO4)3 o Al2O12S3

Save record 3

Record 4 2011-04-21

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
Al2(SO4) 3·18H2O
formula, see observation
OBS

Chemical formula: Al2(SO4)3·18H2O.

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
Al2(SO4)3·18H2O
formula, see observation
DEF

Sulfate du système cristallin monoclinique ou triclinique, soluble dans l'eau.

OBS

Formule chimique : Al2(SO4)3·18H2O.

Spanish

Save record 4

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