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ANHIDRIDO SILICICO [1 record]

Record 1 2012-02-01

English

Subject field(s)
  • Chemical Elements and Compounds
  • Food Additives
  • Mineralogy
  • Photoelectricity and Electron Optics
Universal entry(ies)
SiO2
formula, see observation
DEF

Compound of the two most abundant elements in the Earth's crust, silicon and oxygen.

OBS

[Silica] has three main crystalline varieties: quartz (by far the most abundant), tridymite, and cristobalite. Other varieties include coesite, keatite, and lechatelierite.

OBS

Silicon dioxide ... [is used as:] Anti-caking agent for garlic salt, onion salt ... Icing Sugar ... Unstandardized dry mixes ...; celery salt and celery pepper ... Cayenne pepper ...

OBS

Chemical formula: SiO2.

French

Domaine(s)
  • Éléments et composés chimiques
  • Additifs alimentaires
  • Minéralogie
  • Photo-électricité et optique électronique
Entrée(s) universelle(s)
SiO2
formula, see observation
DEF

Composé de silicium le mieux connu [qui] existe à l'état naturel dans diverses roches (silex, quartz, calcédoine, améthyste) et dans les sables.

OBS

Il a de nombreuses applications industrielles (fabrication du verre, des céramiques, des abrasifs, etc.)

OBS

Formule chimique : SiO2

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Aditivos alimentarios
  • Mineralogía
  • Fotoelectricidad y óptica electrónica
Entrada(s) universal(es)
SiO2
formula, see observation
DEF

Compuesto de oxígeno y silicio [...]

CONT

En la naturaleza se encuentra en distintas especies mineralógicas cristalizadas (cuarzo, tridimita y cristobalita) o pseudocristalinas (sílex, ópalo, ágata, etc.).

OBS

Fórmula química: SiO2.

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