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60676-86-0 [1 record]

Record 1 2011-03-11

English

Subject field(s)
  • Chemical Elements and Compounds
Universal entry(ies)
O2Si
formula, see observation
60676-86-0
CAS number
OBS

Chemical formula: O2Si

French

Domaine(s)
  • Éléments et composés chimiques
Entrée(s) universelle(s)
O2Si
formula, see observation
60676-86-0
CAS number
DEF

Forme vitreuse de la silice, qui peut supporter d'importants et brusques changements de température.

CONT

La silice fond à 1 710 °C. Le refroidissement lent de la silice fondue donne un solide amorphe dont l'apparence est celle du verre : c'est le verre de silice, forme sans ordre à longue distance.

CONT

La silice fondue ou verre de silice est utilisé pour ses propriétés réfractaires (appareillages, tubes, ampoules de lampe aux halogènes) ou pour sa transparence aux rayonnements UV.

OBS

Formule chimique : O2Si

Spanish

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