TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

FERROUS OXALATE [5 records]

Record 1 2011-08-26

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
FeO
proposal, see observation
1345-25-1
CAS number
DEF

The monoxide of iron FeO obtained as a readily oxidizable black powder(as by heating ferrous oxalate) which is used as a catalyst, a glass colorant and in the steel industry.

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
FeO
proposal, see observation
1345-25-1
CAS number
CONT

Composés du fer. Il en existe deux séries principales : les composés ferreux, où le fer est divalent, et les composés ferriques, où il est trivalent. L'oxyde ferreux FeO, noir, est obtenu par réduction de l'oxyde ferrique à haute température.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
Entrada(s) universal(es)
FeO
proposal, see observation
1345-25-1
CAS number
OBS

Propiedades: polvo negro; p.e 5,7; p.f. 1420°C; insoluble en agua, soluble en ácidos. Obtención: preparado del oxalato por calentamiento, pero el producto suele contener algo de óxido férrico. Peligros: Tolerancia (como humo); 10mg por metro cúbico de aire. Precauciones de transporte: (CG) peligroso cuando está caliente.

CONT

Según sean sus valencias, el hierro da dos familias de compuestos: compuestos ferrosos [...] si el hierro es bivalente; compuestos férricos [...] si es trivalente. El óxido férrico o sesquióxido constituye el colcótar. El óxido ferroso o protóxido FeO se obtiene por reducción del anterior.

CONT

El óxido ferroso se obtiene calentando el oxalato ferroso en ausencia de aire [...] Es inestable incluso a temperatura ambiente; al calor, se descompone rápidamente en hierro y Fe3[subíndice]O4[subíndice].

Save record 1

Record 2 2011-01-18

English

Subject field(s)
  • Mineralogy
Universal entry(ies)
FeC2O4•2H2O
formula, see observation
DEF

A hydrous ferrous oxalate... occurring in capillary or botryoidal forms in brown coal and black shale.

OBS

Not to be confused with the mineral datolite, also called humboldtite, but consisting of a hydrous borosilicate of calcium.

OBS

Chemical formula: FeC2O4•2H2O

French

Domaine(s)
  • Minéralogie
Entrée(s) universelle(s)
FeC2O4•2H2O
formula, see observation
DEF

Oxalate naturel de fer, que l'on trouve dans les lignites de Hongrie en petites masses jaunes.

OBS

Formule chimique : FeC2O4•2H2O

Spanish

Campo(s) temático(s)
  • Mineralogía
Entrada(s) universal(es)
FeC2O4•2H2O
formula, see observation
DEF

Oxalato de hierro que cristaliza en el sistema rómbico; se encuentra en los lignitos en forma de masas amarillas.

OBS

Fórmula química: FeC2O4•2H2O

Save record 2

Record 3 2004-01-07

English

Subject field(s)
  • Chemical Elements and Compounds
  • Medication

French

Domaine(s)
  • Éléments et composés chimiques
  • Médicaments

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Medicamentos
OBS

Polvo cristalino inodoro; amarillo pálido. Soluble en ácidos, insoluble en agua. Se descompone a 190º C dando anhídrido carbónico. Muy tóxico.

Save record 3

Record 4 1982-01-05

English

Subject field(s)
  • Photography
DEF

a permanent photographic print having an image of platinum black obtained by the reduction of a platinum salt by a developer containing an iron salt(as ferrous oxalate)(...)

French

Domaine(s)
  • Photographie
DEF

(...) des images positives sur papier obtenues en remplaçant les sels d'argent métallique par une émulsion aux sels de platine.

Key term(s)
  • platinotypie

Spanish

Save record 4

Record 5 1982-01-05

English

Subject field(s)
  • Photography
DEF

A photographic process dependent upon a photosensitive iron compound(ferric oxalate), which after the absorption of radiation is converted to a form(ferrous oxalate) capable of reducing a platinum salt to metallic platinum.

French

Domaine(s)
  • Photographie
DEF

Procédé de photographie au platine, utilisant des papiers imprégnés de chlorure platineux et d'oxalate ferrique.

OBS

Ce procédé est aussi appelé "procédé inaltérable" dans le "Dictionnaire synonymique" d'Anthony Guerronnan, dictionnaire de photographie datant de 1895.

Key term(s)
  • procédé inaltérable

Spanish

Save record 5

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