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BIVALENTE [6 records]
Record 1 - internal organization data 2011-11-02
Record 1, English
Record 1, Subject field(s)
- Chemistry
Record 1, Main entry term, English
- bivalent o-o structure
1, record 1, English, bivalent%20o%2Do%20structure
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
... an organic peroxide that contains the bivalent o-o structure [is included in class C - Oxidizing Materials]. 1, record 1, English, - bivalent%20o%2Do%20structure
Record 1, French
Record 1, Domaine(s)
- Chimie
Record 1, Main entry term, French
- structure bivalente o-o
1, record 1, French, structure%20bivalente%20o%2Do
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 CONT
"peroxyde organique" : Composé organique contenant la structure bivalente -o-o- et qu'on peut considérer comme un dérivé du peroxyde d'hydrogéne dans lequel un atome d'hydrogène ou plus ont été remplacés par des radicaux organiques. 2, record 1, French, - structure%20bivalente%20o%2Do
Record number: 1, Textual support number: 1 OBS
Matière comburante 3, record 1, French, - structure%20bivalente%20o%2Do
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Química
Record 1, Main entry term, Spanish
- estructura bivalente -O-O-
1, record 1, Spanish, estructura%20bivalente%20%2DO%2DO%2D
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
- grupo bivalente O-O 2, record 1, Spanish, grupo%20bivalente%20O%2DO
masculine noun
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 CONT
"Peróxido orgánico" significa un compuesto que contiene la estructura bivalente-O-O-[...] 1, record 1, Spanish, - estructura%20bivalente%20%2DO%2DO%2D
Record number: 1, Textual support number: 2 CONT
peróxido-Cualquier compuesto que contenga el grupo bivalente O-O 2, record 1, Spanish, - estructura%20bivalente%20%2DO%2DO%2D
Record 2 - internal organization data 2011-08-26
Record 2, English
Record 2, Subject field(s)
- Chemical Elements and Compounds
Universal entry(ies) Record 2
Record 2, Main entry term, English
- iron(II) oxide
1, record 2, English, iron%28II%29%20oxide
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- ferrous oxide 1, record 2, English, ferrous%20oxide
former designation, avoid
- CI 77489 2, record 2, English, CI%2077489
- natural wuestite 2, record 2, English, natural%20wuestite
avoid
- iron monooxide 2, record 2, English, iron%20monooxide
avoid
- iron monoxide 3, record 2, English, iron%20monoxide
avoid
- iron oxide 2, record 2, English, iron%20oxide
avoid
Record 2, Textual support, English
Record number: 2, Textual support number: 1 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. 4, record 2, English, - iron%28II%29%20oxide
Record 2, French
Record 2, Domaine(s)
- Éléments et composés chimiques
Entrée(s) universelle(s) Record 2
Record 2, Main entry term, French
- oxyde de fer(II)
1, record 2, French, oxyde%20de%20fer%28II%29
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- oxyde ferreux 2, record 2, French, oxyde%20ferreux
former designation, avoid, masculine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 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. 3, record 2, French, - oxyde%20de%20fer%28II%29
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Elementos y compuestos químicos
Entrada(s) universal(es) Record 2
Record 2, Main entry term, Spanish
- óxido ferroso
1, record 2, Spanish, %C3%B3xido%20ferroso
masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
- óxido de hierro 2, record 2, Spanish, %C3%B3xido%20de%20hierro
masculine noun
- óxido de hierro negro 3, record 2, Spanish, %C3%B3xido%20de%20hierro%20negro
masculine noun
- monóxido de hierro 4, record 2, Spanish, mon%C3%B3xido%20de%20hierro
masculine noun
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 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. 5, record 2, Spanish, - %C3%B3xido%20ferroso
Record number: 2, Textual support number: 1 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. 6, record 2, Spanish, - %C3%B3xido%20ferroso
Record number: 2, Textual support number: 2 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]. 7, record 2, Spanish, - %C3%B3xido%20ferroso
Record 3 - internal organization data 2011-08-15
Record 3, English
Record 3, Subject field(s)
- Chemical Elements and Compounds
Record 3, Main entry term, English
- organic peroxide
1, record 3, English, organic%20peroxide
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 CONT
Organic peroxides: Organic substances which contain the bivalent -O-O- structure and may be considered derivatives of hydrogen peroxide, where one or both of the hydrogen atoms have been replaced by organic radicals. Organic peroxides are thermally unstable substances, which may undergo exothermic self-accelerating decomposition. 2, record 3, English, - organic%20peroxide
Record 3, Key term(s)
- organic peroxides
Record 3, French
Record 3, Domaine(s)
- Éléments et composés chimiques
Record 3, Main entry term, French
- peroxyde organique
1, record 3, French, peroxyde%20organique
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 CONT
Peroxydes organiques. Ce sont des composés par la fonction -O-O- et que l'on peut considérer comme des dérivés de l'eau oxygénée dans laquelle un ou les deux atomes d'hydrogène sont remplacés par des radicaux organiques. [...] ce sont des produits intermédiaires dans l'auto-oxydation de la plupart des substances organiques. Suivant la nature du, ou des radicaux organiques, on distingue différents types de peroxydes. 2, record 3, French, - peroxyde%20organique
Record number: 3, Textual support number: 1 OBS
Comme ils sont très réactifs, ils trouvent une utilisation pratique dans la catalyse de nombreuses réactions en chaîne de type radicalaire, dans la polymérisation vinylique, dans la vulcanisation des polymères paraffiniques. 2, record 3, French, - peroxyde%20organique
Record 3, Key term(s)
- peroxydes organiques
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Elementos y compuestos químicos
Record 3, Main entry term, Spanish
- peróxido orgánico
1, record 3, Spanish, per%C3%B3xido%20org%C3%A1nico
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 CONT
«Peróxido orgánico» significa un compuesto orgánico que contiene la estructura bivalente-O-O-y que puede ser considerado como un derivado estructural del peróxido de hidrógeno donde uno o ambos de los átomos de hidrógeno han sido reemplazados por un radical orgánico. 2, record 3, Spanish, - per%C3%B3xido%20org%C3%A1nico
Record number: 3, Textual support number: 2 CONT
Los [peróxidos] orgánicos como el p. de lauroil son agentes oxidantes muy reactivos, usados industrialmente como agentes blanqueadores y catalizadores de la polimerización. 3, record 3, Spanish, - per%C3%B3xido%20org%C3%A1nico
Record number: 3, Textual support number: 1 OBS
Aunque los peróxidos orgánicos pueden ser donantes de oxígeno en ciertas condiciones, se clasifican separadamente debido al grave peligro de incendio y de autorreactividad que muchos de ellos presentan. 4, record 3, Spanish, - per%C3%B3xido%20org%C3%A1nico
Record 3, Key term(s)
- peróxidos orgánicos
Record 4 - internal organization data 2011-05-16
Record 4, English
Record 4, Subject field(s)
- Mineralogy
- Asbestos Mining
Record 4, Main entry term, English
- amphibole
1, record 4, English, amphibole
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 DEF
Any of a large group of structurally similar hydrated double silicate minerals ... containing various combinations of sodium, calcium, magnesium, iron, and aluminum. 2, record 4, English, - amphibole
Record number: 4, Textual support number: 1 CONT
The simplest amphiboles are orthorhombic, but the bulk of the amphiboles (including tremolite, actinolite, hornblende, and glaucophane) crystallize in the monoclinic system. These are widespread rock-forming minerals found in many types of igneous and metamorphic rock. 3, record 4, English, - amphibole
Record 4, French
Record 4, Domaine(s)
- Minéralogie
- Mines d'amiante
Record 4, Main entry term, French
- amphibole
1, record 4, French, amphibole
correct, feminine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 DEF
Métasilicate de calcium, magnésium et fer. 2, record 4, French, - amphibole
Record number: 4, Textual support number: 1 CONT
Les amphiboles constituent une famille de minéraux en prismes plus ou moins allongés, en aiguilles ou en fibres, à section transversale losangique, à angles tronqués, montrant deux clivages à 124°. 2, record 4, French, - amphibole
Record number: 4, Textual support number: 2 CONT
Les amphiboles sont des silicates de fer et de magnésium dont la structure est à doubles chaînes de tétraèdres SiO4. 3, record 4, French, - amphibole
Record number: 4, Textual support number: 3 CONT
Les inosilicates en ruban sont représentés par les amphiboles [...] 4, record 4, French, - amphibole
Record 4, Spanish
Record 4, Campo(s) temático(s)
- Mineralogía
- Minas de amianto
Record 4, Main entry term, Spanish
- anfíbol
1, record 4, Spanish, anf%C3%ADbol
correct, masculine noun
Record 4, Abbreviations, Spanish
Record 4, Synonyms, Spanish
Record 4, Textual support, Spanish
Record number: 4, Textual support number: 1 DEF
Cada uno de los numerosos silicatos de fórmula X7Si8O22(OH2) en la cual X es un elemento bivalente : hierro, magnesio, calcio, etc. 1, record 4, Spanish, - anf%C3%ADbol
Record number: 4, Textual support number: 1 CONT
Los anfíboles pueden ser clasificados en tres grandes grupos: no aluminíferos, como la tremolita; aluminíferos, como la hornblenda [...]; sódicos o alcalinos, como la glaucofana. 1, record 4, Spanish, - anf%C3%ADbol
Record 5 - internal organization data 2010-11-22
Record 5, English
Record 5, Subject field(s)
- Iron and Manganese Mining
- Geochemistry
- Chemistry
- Nutritive Elements (Biological Sciences)
Universal entry(ies) Record 5
Record 5, Main entry term, English
- ferric iron
1, record 5, English, ferric%20iron
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
- ferric ion 2, record 5, English, ferric%20ion
correct
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
This spinel mineral [chromite] can show a considerable variation in composition with ... ferric iron substituting for the chromium. 3, record 5, English, - ferric%20iron
Record number: 5, Textual support number: 2 CONT
... iron, Fe, and manganese ... usually occur in groundwater in solutions as ferrous, Fe2+, and manganous, Mn2+, ions. When exposed to air, they form the insoluble ferric, Fe3+, and manganic ... forms, making the water turbid ... 4, record 5, English, - ferric%20iron
Record number: 5, Textual support number: 1 OBS
Symbol: Fe3+ or Fe+3 or Fe+++ or Fe(III) 5, record 5, English, - ferric%20iron
Record 5, French
Record 5, Domaine(s)
- Mines de fer et de manganèse
- Géochimie
- Chimie
- Éléments nutritifs (Sciences biologiques)
Entrée(s) universelle(s) Record 5
Record 5, Main entry term, French
- fer ferrique
1, record 5, French, fer%20ferrique
correct, masculine noun
Record 5, Abbreviations, French
Record 5, Synonyms, French
- fer trivalent 2, record 5, French, fer%20trivalent
correct, masculine noun
- ion ferrique 3, record 5, French, ion%20ferrique
correct, masculine noun
Record 5, Textual support, French
Record number: 5, 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 [...] 4, record 5, French, - fer%20ferrique
Record number: 5, Textual support number: 2 CONT
[...] la formation de ces gisements de fer rubané cessa brusquement il y a environ 1,8 milliard d'années, lorsque l'atmosphère se chargea d'oxygène. La mobilité du fer diminua à mesure que le fer ferreux s'oxydait en fer ferrique, moins soluble. 5, record 5, French, - fer%20ferrique
Record number: 5, Textual support number: 3 CONT
La structure électronique du fer, des ions ferreux (Fe2+) et ferriques (Fe3+) met en évidence des électrons de spin non appariés [...] 6, record 5, French, - fer%20ferrique
Record number: 5, Textual support number: 1 OBS
Símbolo : Fe3+ ou Fe+3 ou Fe+++ ou Fe(III) 7, record 5, French, - fer%20ferrique
Record 5, Spanish
Record 5, Campo(s) temático(s)
- Minas de hierro y de manganeso
- Geoquímica
- Química
- Elementos nutritivos (Ciencias biológicas)
Entrada(s) universal(es) Record 5
Record 5, Main entry term, Spanish
- hierro férrico
1, record 5, Spanish, hierro%20f%C3%A9rrico
correct, masculine noun
Record 5, Abbreviations, Spanish
Record 5, Synonyms, Spanish
- hierro trivalente 1, record 5, Spanish, hierro%20trivalente
correct, masculine noun
Record 5, Textual support, Spanish
Record number: 5, 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 5, Spanish, - hierro%20f%C3%A9rrico
Record number: 5, Textual support number: 2 OBS
Symbol: Fe3+ o Fe+3 o Fe+++ o Fe(III) 2, record 5, Spanish, - hierro%20f%C3%A9rrico
Record 6 - internal organization data 2005-03-07
Record 6, English
Record 6, Subject field(s)
- Iron and Manganese Mining
- Geochemistry
- Chemistry
- Nutritive Elements (Biological Sciences)
Record 6, Main entry term, English
- ferrous iron
1, record 6, English, ferrous%20iron
correct
Record 6, Abbreviations, English
- Fe+2 2, record 6, English, Fe%2B2
see observation
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, 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 6, English, - ferrous%20iron
Record number: 6, 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 6, English, - ferrous%20iron
Record number: 6, Textual support number: 1 OBS
The symbol +2 is a superscript in the abbreviation. 5, record 6, English, - ferrous%20iron
Record 6, Key term(s)
- Fe2+
- Fe+
Record 6, French
Record 6, Domaine(s)
- Mines de fer et de manganèse
- Géochimie
- Chimie
- Éléments nutritifs (Sciences biologiques)
Record 6, Main entry term, French
- fer ferreux
1, record 6, French, fer%20ferreux
correct, masculine noun
Record 6, Abbreviations, French
- Fe2+ 2, record 6, French, Fe2%2B
correct, see observation
- Fe++ 3, record 6, French, Fe%2B%2B
correct, see observation
- Fe+2 4, record 6, French, Fe%2B2
Record 6, Synonyms, French
- fer bivalent 5, record 6, French, fer%20bivalent
correct, masculine noun
- Fe2+ 6, record 6, French, Fe2%2B
see observation
- Fe2+ 6, record 6, French, Fe2%2B
Record 6, Textual support, French
Record number: 6, 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 6, French, - fer%20ferreux
Record number: 6, 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 6, French, - fer%20ferreux
Record number: 6, 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 6, French, - fer%20ferreux
Record number: 6, Textual support number: 4 CONT
[...] au contact de l'oxygène de l'air, le fer ferreux s'oxyde en fer ferrique. 9, record 6, French, - fer%20ferreux
Record number: 6, Textual support number: 1 OBS
Les symboles ++, 2+ et +2 sont en exposants dans les abréviations. 10, record 6, French, - fer%20ferreux
Record 6, Spanish
Record 6, Campo(s) temático(s)
- Minas de hierro y de manganeso
- Geoquímica
- Química
- Elementos nutritivos (Ciencias biológicas)
Record 6, Main entry term, Spanish
- hierro ferroso
1, record 6, Spanish, hierro%20ferroso
correct, masculine noun
Record 6, Abbreviations, Spanish
Record 6, Synonyms, Spanish
- hierro bivalente 1, record 6, Spanish, hierro%20bivalente
correct, masculine noun
Record 6, Textual support, Spanish
Record number: 6, 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 6, Spanish, - hierro%20ferroso
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