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FER BIVALENT [1 record]
Record 1 - internal organization data 2005-03-07
Record 1, English
Record 1, Subject field(s)
- Iron and Manganese Mining
- Geochemistry
- Chemistry
- Nutritive Elements (Biological Sciences)
Record 1, Main entry term, English
- ferrous iron
1, record 1, English, ferrous%20iron
correct
Record 1, Abbreviations, English
- Fe+2 2, record 1, English, Fe%2B2
see observation
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
This spinel mineral [chromite] can show a considerable variation in composition with magnesium substituting for the ferrous iron ... 3, record 1, English, - ferrous%20iron
Record number: 1, Textual support number: 2 CONT
Variable amounts of ferrous iron frequently enter this composition ... Varieties containing from a few percent to about 15-20% ferrous iron are called actinolite. 4, record 1, English, - ferrous%20iron
Record number: 1, Textual support number: 1 OBS
The symbol +2 is a superscript in the abbreviation. 5, record 1, English, - ferrous%20iron
Record 1, Key term(s)
- Fe2+
- Fe+
Record 1, French
Record 1, Domaine(s)
- Mines de fer et de manganèse
- Géochimie
- Chimie
- Éléments nutritifs (Sciences biologiques)
Record 1, Main entry term, French
- fer ferreux
1, record 1, French, fer%20ferreux
correct, masculine noun
Record 1, Abbreviations, French
- Fe2+ 2, record 1, French, Fe2%2B
correct, see observation
- Fe++ 3, record 1, French, Fe%2B%2B
correct, see observation
- Fe+2 4, record 1, French, Fe%2B2
Record 1, Synonyms, French
- fer bivalent 5, record 1, French, fer%20bivalent
correct, masculine noun
- Fe2+ 6, record 1, French, Fe2%2B
see observation
- Fe2+ 6, record 1, French, Fe2%2B
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
Si l'on considère les deux types d'ions Fe++ et Fe+++ on constate que [...] le fer ferreux bivalent est relativement plus abondant que le fer ferrique trivalent [...] 3, record 1, French, - fer%20ferreux
Record number: 1, Textual support number: 2 CONT
La matière organique [...] joue un rôle réducteur lorsqu'elle est emprisonnée dans des sédiments peu perméables : le fer ferrique est alors réduit en fer ferreux [...] 7, record 1, French, - fer%20ferreux
Record number: 1, Textual support number: 3 CONT
[...] une quantité variable de fer ferreux remplace souvent le magnésium; la variété connue sous le nom d'actinolite, contient un pourcentage de fer ferreux égal à 15 à 20 %. 8, record 1, French, - fer%20ferreux
Record number: 1, Textual support number: 4 CONT
[...] au contact de l'oxygène de l'air, le fer ferreux s'oxyde en fer ferrique. 9, record 1, French, - fer%20ferreux
Record number: 1, Textual support number: 1 OBS
Les symboles ++, 2+ et +2 sont en exposants dans les abréviations. 10, record 1, French, - fer%20ferreux
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Minas de hierro y de manganeso
- Geoquímica
- Química
- Elementos nutritivos (Ciencias biológicas)
Record 1, Main entry term, Spanish
- hierro ferroso
1, record 1, Spanish, hierro%20ferroso
correct, masculine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- hierro bivalente 1, record 1, Spanish, hierro%20bivalente
correct, masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 OBS
Según sean sus valencias, el hierro da dos familias de compuestos: compuestos ferrosos (cuyas disoluciones suelen ser verdes), si el hierro es bivalente; compuestos férricos, de color entre amarillo y rojo, si es trivalente. 1, record 1, Spanish, - hierro%20ferroso
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