alun
- Domaines
-
- industrie papetière fabrication de la pâte à papier
- chimie chimie minérale
- Dernière mise à jour
Terme privilégié :
- alun n. m.
Termes utilisés dans certains contextes :
- sulfate d'alumine n. m.
- sulfate d'aluminium n. m.
Traductions
-
anglais
Auteur : Office québécois de la langue française,Définition
A term commonly but incorrectly applied by papermakers to various qualities of aluminium sulphate.
Note :
Used for precipitating the rosin size onto the pulp to give water resistancy to the paper. Chemically the name refers to compounds similar to the double salt K2SO4.Al2(SO4)3.24 H2O. In the paper industry, papermaker's alum is Al2(SO4)3.14 H2O or Al2(SO4)3.18 H20, or a mixture of these hydrates. It is known as alumbecause it is used for the purposes for which alum was formerly used.
Terme :
- alum
Termes associés :
- aluminium sulphate
- papermaker's alum
- papermakers' alum
-
latin
Auteur : Office québécois de la langue française,Terme :
- sulfas aluminicus