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ISOTOPO RADIOACTIVO [3 records]

Record 1 2015-05-06

English

Subject field(s)
  • Atomic Physics
  • Chemistry
DEF

An isotope that undergoes spontaneous decay and emits radiation.

CONT

All atoms with nuclei containing the same number of protons have identical chemical properties and are called isotopes of the element in question. Isotopes may be radioactive or stable.

OBS

radioisotope: This term should not be used with the meaning of radionuclide.

OBS

radioisotope: term standardized by ISO in 1997.

French

Domaine(s)
  • Physique atomique
  • Chimie
DEF

Isotope qui subit une désintégration spontanée et émet un rayonnement.

OBS

radio-isotope : Ce terme ne doit pas être employé dans le sens de radionucléide.

OBS

radio-isotope : terme normalisé par l'ISO en 1997.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Química
DEF

Variante de un elemento químico con el mismo número de electrones y neutrones pero diferente número de neutrones y propiedades radiactivas.

Key term(s)
  • isótopo radioactivo
Save record 1

Record 2 - external organization data 2011-07-11

English

Subject field(s)
  • Nuclear Physics
  • Radiotherapy
  • Cancers and Oncology
  • Compartment - Canadian Nuclear Safety Commission
DEF

A heavy radioactive isotope of cobalt having the mass number 60 produced in nuclear reactors and used as a source of gamma rays especially in place of radium (as in the treatment of cancer and in radiography).

OBS

It emits gamma radiation of energy 1.17 MeV and 1.33 MeV and has a half-life of 5.3 years.

OBS

In the symbol "60Co", the number "60" is a superscript.

French

Domaine(s)
  • Physique nucléaire
  • Radiothérapie
  • Cancers et oncologie
  • Tiroir - Commission canadienne de sûreté nucléaire
DEF

Matière radioactive utilisée en gammagraphie pour la qualité de pénétration de ses rayons gamma de 1.17 MeV et 1,33 MeV.

OBS

Sa période radioactive est de 5,3 ans.

OBS

Dans le symbole «60Co», le nombre «60» se place en exposant.

Spanish

Campo(s) temático(s)
  • Física nuclear
  • Radioterapia
  • Tipos de cáncer y oncología
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
DEF

Isótopo radioactivo del cobalto, que emite rayos gamma de alta energía y se utiliza en la radioterapia externa.

OBS

[Exponente 60]Co.

Save record 2

Record 3 - external organization data 2004-01-07

English

Subject field(s)
  • Chemistry
  • Atomic Physics
  • Compartment - Canadian Nuclear Safety Commission
CONT

antimony-124: [A] radioactive antimony isotope. Properties: Half-life, 60 D, radiation = beta and gamma. The chemical form used is often antimony trichloride and oxychloride in hydrochloric acid solution. Use: As a tracer, especially in solid state studies, and marker of interfaces between products in pipe lines ...

French

Domaine(s)
  • Chimie
  • Physique atomique
  • Tiroir - Commission canadienne de sûreté nucléaire
OBS

Antimoine. [...] L'isotope de nombre de masse 124 est une substance radioactive servant de traceur pour le débit des pipe-lines.

Spanish

Campo(s) temático(s)
  • Química
  • Física atómica
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
DEF

Isótopo radiactivo del antimonio con un período de semidesintegración de 60 días. Emite radiaciones beta y gamma. Tóxico. Radioactivo.

Save record 3

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