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BENTONITA [3 records]
Record 1 - internal organization data 2011-03-15
Record 1, English
Record 1, Subject field(s)
- Chemical Elements and Compounds
- Mineralogy
Universal entry(ies) Record 1
Record 1, Main entry term, English
- cristobalite
1, record 1, English, cristobalite
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- crystalline-cristobalite silica 2, record 1, English, crystalline%2Dcristobalite%20silica
- crystalline silica, cristobalite 3, record 1, English, crystalline%20silica%2C%20cristobalite
- calcined diatomite 2, record 1, English, calcined%20diatomite
Record 1, Textual support, English
Record number: 1, Textual support number: 1 DEF
One of the three main forms of silica (the others being quartz and tridymite), formed at high temperatures as high-cristobalite and changing at lower temperatures to a structurally related metastable polymorph, low-cristobalite, which occurs both massive (e.g. in opal) and as small, usually octahedral, crystals. 4, record 1, English, - cristobalite
Record number: 1, Textual support number: 1 OBS
Chemical formulas: O2Si or SiO2 5, record 1, English, - cristobalite
Record 1, French
Record 1, Domaine(s)
- Éléments et composés chimiques
- Minéralogie
Entrée(s) universelle(s) Record 1
Record 1, Main entry term, French
- cristobalite
1, record 1, French, cristobalite
correct, feminine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- silice cristalline, cristobalite 2, record 1, French, silice%20cristalline%2C%20cristobalite
feminine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Variété de silice formée à haute température, du système cristallin quadratique pseudo-cubique. 3, record 1, French, - cristobalite
Record number: 1, Textual support number: 1 OBS
La silice ou dioxyde de silicium (formule moléculaire : SiO2) peut exister sous forme de silice cristalline ou de silice amorphe. La silice cristalline, peut se présenter sous plusieurs formes (polymorphes : même formule chimique mais structure cristalline différente). Le quartz (CAS : 14808-60-7) [...] La cristobalite (CAS : 14464-46-1) [...] Le tripoli (CAS : 1317-95-9) [et la] tridymite (CAS : 15468-32-3) [...] 4, record 1, French, - cristobalite
Record number: 1, Textual support number: 2 OBS
Formules chimiques : O2Si ou SiO2 5, record 1, French, - cristobalite
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Elementos y compuestos químicos
- Mineralogía
Entrada(s) universal(es) Record 1
Record 1, Main entry term, Spanish
- cristobalita
1, record 1, Spanish, cristobalita
correct, feminine noun
Record 1, Abbreviations, Spanish
Record 1, Synonyms, Spanish
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Variedad de sílice cristalizada en el sistema tetragonal, que se encuentra en las cavidades internas de la andesita, la traquita y otras rocas volcánicas, especialmente en las mexicanas de San Cristóbal, a las cuales debe su nombre. 1, record 1, Spanish, - cristobalita
Record number: 1, Textual support number: 1 OBS
Entra también en la composición de ciertas variedades de ágata y de bentonita. Es el producto que resulta al calentarse el cuarzo a más de 1470º C. Normalmente no tendría que existir a la temperatura ambiente, pero constituye uno de los casos del estado metastable. 1, record 1, Spanish, - cristobalita
Record number: 1, Textual support number: 2 OBS
Fórmulas químicas: O2Si o SiO2 2, record 1, Spanish, - cristobalita
Record 2 - internal organization data 2005-01-18
Record 2, English
Record 2, Subject field(s)
- Petrography
- Soil Science
- Mineralogy
- Oil Drilling
Record 2, Main entry term, English
- bentonite
1, record 2, English, bentonite
correct
Record 2, Abbreviations, English
Record 2, Synonyms, English
- volcanic clay 2, record 2, English, volcanic%20clay
correct, less frequent
- soap clay 3, record 2, English, soap%20clay
correct, less frequent
- mineral soap 3, record 2, English, mineral%20soap
correct, less frequent
- taylorite 2, record 2, English, taylorite
obsolete
- amargosite 3, record 2, English, amargosite
correct, trademark
Record 2, Textual support, English
Record number: 2, Textual support number: 1 DEF
Monmorillonite-rich clay formed by the breakdown and alteration of volcanic ash and volcanic tuffs. 4, record 2, English, - bentonite
Record number: 2, Textual support number: 1 CONT
Owing to its gel-forming properties, bentonite is a major component of drilling muds. 5, record 2, English, - bentonite
Record number: 2, Textual support number: 1 OBS
taylorite: An obsolete name for bentonite ... 2, record 2, English, - bentonite
Record number: 2, Textual support number: 2 OBS
amargosite: A trade name for a bentonitic clay ... from the Amargosa River, California. 3, record 2, English, - bentonite
Record 2, French
Record 2, Domaine(s)
- Pétrographie
- Science du sol
- Minéralogie
- Forage des puits de pétrole
Record 2, Main entry term, French
- bentonite
1, record 2, French, bentonite
correct, feminine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
- taylorite 2, record 2, French, taylorite
feminine noun, obsolete
- amargosite 2, record 2, French, amargosite
correct, trademark, feminine noun
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
[...] argile smectique à base de montmorillonite, aux propriétés adsorbantes [...] 3, record 2, French, - bentonite
Record number: 2, Textual support number: 2 DEF
Argile colloïdale vendue sous différentes marques de commerce et qui forme une sorte de gel lorsque ajoutée à l'eau. La bentonite possède des propriétés thixotropiques et constitue un ingrédient de base pour les liquides de forage et les lubrifiants. 4, record 2, French, - bentonite
Record number: 2, Textual support number: 1 CONT
Les bentonites ou argiles à montmorillonite sont souvent liées à l'altération des roches éruptives d'épanchement : roches vitreuses et microlithiques, rhyolite notamment. 5, record 2, French, - bentonite
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Petrografía
- Ciencia del suelo
- Mineralogía
- Perforación de pozos petrolíferos
Record 2, Main entry term, Spanish
- bentonita
1, record 2, Spanish, bentonita
correct, feminine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Roca arcillosa, blanca, a pesar de que proviene de cenizas volcánicas alteradas, cuyos constituyentes principales son la montmorillonita y la sílice coloidal. 2, record 2, Spanish, - bentonita
Record number: 2, Textual support number: 1 CONT
La bentonita es decolorante y absorbente [...] Se usa en metalurgia, en las fábricas de jabón, y en la preparación de colores y barnices, etc. 2, record 2, Spanish, - bentonita
Record number: 2, Textual support number: 1 OBS
Color claro, no tóxico, no combustible. 3, record 2, Spanish, - bentonita
Record 3 - internal organization data 1999-06-11
Record 3, English
Record 3, Subject field(s)
- Chemical Engineering
- Electrochemistry
Record 3, Main entry term, English
- anion exchange resin
1, record 3, English, anion%20exchange%20resin
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
- anion-exchange resin 2, record 3, English, anion%2Dexchange%20resin
correct
- anionic resin 3, record 3, English, anionic%20resin
- anion resin 4, record 3, English, anion%20resin
- anion resin 4, record 3, English, anion%20resin
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
A resin that holds and swaps only anions. Anion resins contain hydroxyl ions (OH-) to remove negatively-charged, dissolved ionic contaminants such as carbonates, bicarbonates, sulfates, nitrates and silica. 5, record 3, English, - anion%20exchange%20resin
Record number: 3, Textual support number: 1 CONT
Other important applications of ion exchange are water softening and ... demineralization ... [in which] all ionic impurities contained in water are removed by exchange for hydrogen and hydroxyl ions during passage of the water successively through cation- and anion-exchange resins in the acid and base form. 6, record 3, English, - anion%20exchange%20resin
Record 3, French
Record 3, Domaine(s)
- Génie chimique
- Électrochimie
Record 3, Main entry term, French
- résine échangeuse d'anions
1, record 3, French, r%C3%A9sine%20%C3%A9changeuse%20d%27anions
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
- résine anionique 2, record 3, French, r%C3%A9sine%20anionique
correct, feminine noun
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Résine qui échange uniquement les anions. 3, record 3, French, - r%C3%A9sine%20%C3%A9changeuse%20d%27anions
Record number: 3, Textual support number: 1 CONT
Les échangeurs d'ions [...] [utilisés] dans l'adoucissement des eaux [...] sont maintenant constitués par des résines synthétiques. Ces résines échangeuses de cations et d'anions sont des composés organiques, de structure macro-ionique [...]. C'est ainsi qu'une eau naturelle contenant des impuretés ioniques [...] échange, en passant sur ces résines, les ions qu'elle renferme contre des ions H- ou OH- lesquels se combinent en donnant de l'eau; celle-ci se trouve donc purifiée (désionisée). 4, record 3, French, - r%C3%A9sine%20%C3%A9changeuse%20d%27anions
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Ingenieria química
- Electroquímica
Record 3, Main entry term, Spanish
- resina de intercambio aniónico
1, record 3, Spanish, resina%20de%20intercambio%20ani%C3%B3nico
feminine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
- intercambiador aniónico 2, record 3, Spanish, intercambiador%20ani%C3%B3nico
masculine noun
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Separa aniones de una solución intercambiándolos por iones oxhidrilo. 3, record 3, Spanish, - resina%20de%20intercambio%20ani%C3%B3nico
Record number: 3, Textual support number: 1 CONT
Para que el intercambio iónico resulte económico en el tratamiento avanzado de aguas residuales, convendrá utilizar productos regeneradores y restauradores que eliminen tanto los aniones inorgánicos como el material orgánico de la resina agotada. Los restauradores físicos y químicos, cuya aplicación en la separación de materias orgánicas de resina se ha realizado con éxito, son hidróxido de sodio, ácido clorhídrico, metanol y bentonita. 1, record 3, Spanish, - resina%20de%20intercambio%20ani%C3%B3nico
Record number: 3, Textual support number: 2 CONT
El efluente del intercambiador catiónico se hace pasar a continuación, sobre una resina de intercambio aniónico, donde los aniones se sustituyen por iones de hidroxilo. 1, record 3, Spanish, - resina%20de%20intercambio%20ani%C3%B3nico
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