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7440-28-0 [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2010-09-22

English

Subject field(s)
  • Chemistry
  • Geochemistry
  • Compartment - Canadian Nuclear Safety Commission
Universal entry(ies)
Tl
symbol
7440-28-0
CAS number
DEF

A rare metallic element in group III of the periodic system, resembling lead in physical properties.

OBS

The metal is silvery-white, but turns bluish-gray in air ... Symbol, Tl ...; atomic number, 81; atomic weight, 204.39 ...

OBS

thallium: term adopted by Environment Canada; used in the list of pollutants measured in the National Air Pollution Surveillance Network (NAPS).

French

Domaine(s)
  • Chimie
  • Géochimie
  • Tiroir - Commission canadienne de sûreté nucléaire
Entrée(s) universelle(s)
Tl
symbol
7440-28-0
CAS number
DEF

Métal fréquemment associé à S dans les sulfures, et pouvant également être présent avec Rb, dans les silicates de certaines pegmatites.

CONT

Le thallium est très mou et l'on peut facilement le découper au couteau; il tache le papier. S'oxydant rapidement à l'air, il doit être conservé dans l'huile.

OBS

Élément de numéro atomique 81; masse atomique 204,39. Symbole : Tl.

OBS

thallium : terme retenu par Environnement Canada; utilisé dans la liste des polluants mesurés par le Réseau national de surveillance de la pollution atmosphérique (RNSPA).

Spanish

Campo(s) temático(s)
  • Química
  • Geoquímica
  • Compartimiento - Comisión Canadiense de Seguridad Nuclear
Entrada(s) universal(es)
Tl
symbol
7440-28-0
CAS number
DEF

Elemento químico de número atómico 81. Símbolo: Tl.

Save record 1

Record 2 1993-02-02

English

Subject field(s)
  • Chemistry
Universal entry(ies)
7440-28-0
CAS number

French

Domaine(s)
  • Chimie
Entrée(s) universelle(s)
7440-28-0
CAS number

Spanish

Save record 2

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