TERMIUM Plus®

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Record 1 - external organization data 2015-05-06

English

Subject field(s)
  • Compartment - Canadian Nuclear Safety Commission
  • Chemistry
  • Atomic Physics
Universal entry(ies)
D2O
formula, see observation
DEF

Water containing significantly more than the natural proportions (one in 6,500) of heavy hydrogen (deuterium, D) atoms to ordinary hydrogen atoms.

OBS

Heavy water is used as a moderator in some reactors because it slows down neutrons effectively and also has a low probability of absorption of neutrons.

OBS

Chemical formula: D2O

French

Domaine(s)
  • Tiroir - Commission canadienne de sûreté nucléaire
  • Chimie
  • Physique atomique
Entrée(s) universelle(s)
D2O
formula, see observation
DEF

Eau dans les molécules de laquelle le deutérium tient la place de l'hydrogène ordinaire.

CONT

L'eau lourde [...] est un liquide incolore, inodore et insipide, de densité 1,106 - d'où son nom. [...] Elle est un excellent ralentisseur de neutrons (ou modérateur) et comme tel est utilisé dans les réacteurs dits à eau lourde (Candu).

OBS

Formule chimique : D2O

Spanish

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