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BARIUM [3 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2010-09-21

English

Subject field(s)
  • Chemistry
  • Geochemistry
Universal entry(ies)
Ba
symbol
7440-39-3
CAS number
DEF

A silver-white malleable toxic bivalent metallic element of the alkaline-earth group that tarnishes rapidly in air, that occurs only in combination especially as barite and witherite, that is made by reduction of barium oxide or by electrolysis of a fused salt (as barium chloride), and that is used in the form of alloys chiefly as a getter in electron tubes.

OBS

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

OBS

Also known under the following designations: UN 1399 (DOT); UN 1400 (Barium); UN 1854 (barium alloys, pyrophoric).

OBS

Symbol: Ba

French

Domaine(s)
  • Chimie
  • Géochimie
Entrée(s) universelle(s)
Ba
symbol
7440-39-3
CAS number
DEF

Métal alcalino-terreux blanc argenté, malléable et brûlant facilement quand il est chauffé à l'air.

OBS

[Le baryum] entre dans la composition de certains minéraux : barytine, celsiane, hyalophane, withérite. Numéro atomique 56, nombre de masse 137,34.

OBS

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

OBS

Symbole : Ba

Spanish

Campo(s) temático(s)
  • Química
  • Geoquímica
Entrada(s) universal(es)
Ba
symbol
7440-39-3
CAS number
DEF

Elemento químico de símbolo Ba, número atómico 56, masa atómica 137.33, configuración electrónica (Xe)6s², con 25 nucleidos, 7 de los cuales son estables.

OBS

Pertenece al grupo de los elementos alcalinotérreos.

Save record 1

Record 2 2001-04-27

English

Subject field(s)
  • Titles of Monographs
  • Chemistry
OBS

Published by Health Canada, Health Protection Branch, under the Guidelines for Canadian Drinking Water Quality - Supporting Documents. Prepared by the Federal-Provincial Subcommittee on Drinking Water of the Federal-Provincial Committee on Environmental and Occupational Health, Ottawa, (edited September 1990), 6 pages.

French

Domaine(s)
  • Titres de monographies
  • Chimie
OBS

Publié par Santé Canada, Direction générale de la protection de la santé. Préparé par le Sous-comité fédéral-provincial sur l'eau potable du Comité fédéral-provincial de l'hygiène du milieu et du travail, Ottawa, (révisé en septembre 1990), 7 pages.

Spanish

Save record 2

Record 3 1994-01-10

English

Subject field(s)
  • Place Names (outside Canada)
OBS

Province of Apulia, Italy.

French

Domaine(s)
  • Toponymes (hors Canada)
OBS

Renseignement retrouvé sur la carte du Monde, publiée par Énergie, Mines et Ressources, 1993, Série de cartes de base de l'Atlas national du Canada.

Spanish

Save record 3

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