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HYDROXYDE FERRIQUE [1 record]

Record 1 2011-02-01

English

Subject field(s)
  • Chemical Elements and Compounds
  • Geochemistry
Universal entry(ies)
Fe(OH)3
formula, see observation
1309-33-7
CAS number
DEF

A reddish brown gelatinous precipitate that is soluble in acids and insoluble in water and alcohol and that is used in pigments and water purification and as a catalyst.

OBS

ferric hydroxide: [Also used to designate the] red to reddish brown crystalline oxide and hydroxide FeO(OH) occurring in nature as lepidocrocite.

CONT

The ferric hydroxide is left behind to form a residual deposit at the surface and this is known as a gossan or iron hat ...

OBS

Chemical formula: Fe(OH)3

French

Domaine(s)
  • Éléments et composés chimiques
  • Géochimie
Entrée(s) universelle(s)
Fe(OH)3
formula, see observation
1309-33-7
CAS number
CONT

Chapeaux oxydés. - Dans la partie supérieure d'un corps minéralisé [...], entre la surface de la nappe phréatique et la surface du sol existe une zone aérée où percolent des eaux chargées d'oxygène et de gaz carbonique. Dans cette zone le filon est oxydé; il y a formation de sulfates et d'hydroxydes ferriques.

OBS

Formule chimique : Fe(OH)3

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Geoquímica
Entrada(s) universal(es)
Fe(OH)3
formula, see observation
1309-33-7
CAS number
OBS

Precipitado pardo, soluble en ácidos, insoluble en agua, alcohol y éter. No combustible. Poco tóxico.

OBS

Fórmula química: Fe(OH)3

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