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MAGNETIC OXIDE [1 record]

Record 1 2011-08-22

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
Fe3O4
formula, see observation
1317-61-9
CAS number
DEF

A black magnetic iron oxide found in nature as magnetite, also obtained synthetically (as from iron by heating in steam or from a ferrous salt and an alkali by precipitation and oxidation), and used chiefly as a pigment and a polishing compound but also as a catalyst, in magnetic inks, in metallurgy, in ferrites for the electronic industry and in coatings for magnetic tapes.

OBS

Chemical formula: Fe304

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
Fe3O4
formula, see observation
1317-61-9
CAS number
CONT

Composés du fer. [...] L'oxyde magnétique Fe3O4, ou oxyde salin, constitue la pierre d'aimant naturelle; on l'obtient artificiellement par combustion du fer ou par action de la vapeur d'eau. C'est une poudre noire qu'on peut considérer comme une combinaison des deux autres oxydes [ferreux et ferrique].

OBS

oxyde de fer : ce terme désigne chacun des composés du fer avec l'oxygène, comme l'oxyde ferreux (FeO), l'oxyde ferrique (Fe2O3), et l'oxyde ferrosoferrique (Fe3O4).

OBS

Formule chimique : Fe3O4

Spanish

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