TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 DEF

A white or colourless crystalline compound [that] forms cubic or octahedral crystals that are soluble in cold water, very soluble in hot water, and insoluble in ethanol or acetone.  7, record 1, English, - aluminium%20potassium%20sulfate%20dodecahydrate

Record number: 1, Textual support number: 1 OBS

7784-24-9: Chemical Abstracts Service registry number corresponding to the molecular formulae KAl(SO₄)₂•12H₂O or Al₂(SO₄)₃,K₂SO₄,24H₂O.  8, record 1, English, - aluminium%20potassium%20sulfate%20dodecahydrate

Record number: 1, Textual support number: 2 OBS

The IUPAC (International Union of Pure and Applied Chemistry) recommends the form "aluminium" instead of "aluminum."  2, record 1, English, - aluminium%20potassium%20sulfate%20dodecahydrate

Record number: 1, Textual support number: 3 OBS

aluminium potassium sulfate dodecahydrate: form recommended by the International Union of Pure and Applied Chemistry (IUPAC) for the systematic name corresponding to the Chemical Abstracts Service registry number 7784-24-9.  8, record 1, English, - aluminium%20potassium%20sulfate%20dodecahydrate

Record number: 1, Textual support number: 4 OBS

aluminium potassium sulfate: incomplete form.  2, record 1, English, - aluminium%20potassium%20sulfate%20dodecahydrate

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 DEF

Sulfate du système cristallin cubique, se présentant en agrégats massifs, en stalactites ou en cristaux octaédriques.  5, record 1, French, - sulfate%20d%27aluminium%20et%20de%20potassium%20dod%C3%A9cahydrat%C3%A9

Record number: 1, Textual support number: 1 OBS

7784-24-9 : numéro de registre du Chemical Abstracts Service correspondant aux formules moléculaires brutes KAl(SO₄)₂•12H₂O ou Al₂(SO₄)₃,K₂SO₄,24H₂O.  6, record 1, French, - sulfate%20d%27aluminium%20et%20de%20potassium%20dod%C3%A9cahydrat%C3%A9

Record number: 1, Textual support number: 2 OBS

sulfate d'aluminium et de potassium dodécahydraté : forme recommandée par l'Union internationale de chimie pure et appliquée (UICPA) pour le nom systématique correspondant au numéro de registre du Chemical Abstracts Service 7784-24-9.  6, record 1, French, - sulfate%20d%27aluminium%20et%20de%20potassium%20dod%C3%A9cahydrat%C3%A9

Record number: 1, Textual support number: 3 OBS

sulfate d'aluminium et de potassium : forme incomplète.  1, record 1, French, - sulfate%20d%27aluminium%20et%20de%20potassium%20dod%C3%A9cahydrat%C3%A9

Record 1,  Textual support,  Spanish

Record number: 1, Textual support number: 1 DEF

Sulfato doble de aluminio y potasio, hidratado, en el que el potasio o el aluminio pueden estar sustituidos por iones de su misma valencia. Se ha usado como curtiente, hemostático o mordiente.  1, record 1, Spanish, - alumbre

Record number: 1, Textual support number: 1 OBS

Fórmula química: KAl(SO₄)₂•12H₂O  3, record 1, Spanish, - alumbre

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

A process of converting skins to leather based essentially upon the use... of potassium alum, but sometimes of aluminium sulphate.  1, record 2, English, - alum%20tanning

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

Le tannage à l'alun [...] est le procédé de tannage minéral le plus anciennement pratiqué.  2, record 2, French, - tannage%20%C3%A0%20l%27alun

Record number: 2, Textual support number: 1 OBS

Le terme «mégisserie» désignait autrefois uniquement la préparation par tannage à l'alun de peaux très souples, réalisées à partir de peaux de moutons, d'agneaux et de chevreaux, ces peausseries étant le plus souvent destinées à la ganterie. Pour cela, les peaux, après travail de rivière (épilage et confitage), sont foulées dans une composition constituée par une solution d'alun de potassium et de sel dans laquelle on délaie de la farine et du jaune d'œuf : c'est l'habillage de mégisserie [...]  3, record 2, French, - tannage%20%C3%A0%20l%27alun

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 OBS

This dye has been widely used in many staining methods, but its commonest use is probably as a simple red nuclear counterstain. It is an indicator as well as a dye. It changes from red to yellow over the pH range 6.8 - 8.0. It has also been incorporated into bacteriological growth media.  3, record 3, English, - neutral%20red

Record number: 3, Textual support number: 2 OBS

The names nuclear fast red and kernechtrot are usually applied to another dye, also known as calcium red, CI 60760, which can be used as a red nuclear stain in solution with potassium alum. If a technique calls for nuclear fast red or kernechtrot, it is probably this latter dye to which it refers, not neutral red.  3, record 3, English, - neutral%20red

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 OBS

Applications : Indicateur de pH; Coloration vitale; Colorations embryologiques.  3, record 3, French, - rouge%20neutre

Record 3,  Textual support,  Spanish

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 DEF

A cubical potassium alum formerly obtained in large quantities from Italian alunite, and highly valued by dyers on account of its freedom from iron.  4, record 4, English, - Roman%20alum

Record number: 4, Textual support number: 1 CONT

... a quarry for rock alum, used in dyeing wool.  5, record 4, English, - Roman%20alum

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 DEF

Alun cristallisé en cubes [...] provenant [spécialement] de Tolfa près de Rome.  3, record 4, French, - alun%20de%20roche

Record number: 4, Textual support number: 1 CONT

Chauffé, [l'alun] fond dans son eau de cristallisation à 91 °C; si on le laisse alors refroidir, il prend un aspect vitreux sous lequel on lui donne le nom d'alun de roche.  4, record 4, French, - alun%20de%20roche

Record number: 4, Textual support number: 2 CONT

L'alun connu sous le nom d'alun de Rome provient de la carrière de Tolfa [...]  5, record 4, French, - alun%20de%20roche

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 DEF

Any of a series of double salts isomorphous with potash alum that may contain analogous elements in place of the potassium, aluminum, and sulfur [Ex. :] soda alum, chrome alum, selemium alum.  2, record 5, English, - alum

Record number: 5, Textual support number: 1 CONT

Wastewater treatment systems with facultative ponds use mostly alum or ferric chloride as coagulants to meet phosphorus removal standards.  3, record 5, English, - alum

Record number: 5, Textual support number: 1 OBS

"Alum" is also a synonym of "potassium alum", "ammonium alum", and "aluminum sulfate". See those records.  4, record 5, English, - alum

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 DEF

Nom générique des sulfates doubles de formule générale M₂SO₄. M₂(SO₄)₃. 24H₂O, où M représente un métal alcalin ou l'ammonium, et [le second]M un métal trivalent : aluminium, fer ou chrome. [...] L'alun est le type d'une série de sulfates doubles hydratés, de composition analogues, de même forme cristalline et isomorphes.  2, record 5, French, - alun

Record 5,  Textual support,  Spanish