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CA CARBONATE [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-01-31

English

Subject field(s)
  • Chemical Elements and Compounds
  • Geochemistry
  • Nuclear Waste Materials
Universal entry(ies)
CaCO3
formula, see observation
DEF

A chemical combination of calcium, carbon, and oxygen [of which the] main constituent is limestone.

OBS

White powder or colorless crystals; ... one of the most stable, common, and widely dispersed of materials. It occurs in nature as aragonite, calcite, chalk, limestone, lithographic stone, marble, marl and travertine.

CONT

Uranium Refining Wastes ... tend to be sludges and residues containing calcium sulfate or carbonate (limed raffinate), calcium fluoride, magnesium fluoride and ammonium nitrate.

CONT

Calcium carbonate forms a tenacious white scale in water-handling facilities and is one of the compounds that causes water hardness.

OBS

Chemical formula: CaCO3

OBS

Ca-carbonate: term very widely used in the geochemistry field even if it is labelled TO BE AVOIDED.

Key term(s)
  • Ca carbonate

French

Domaine(s)
  • Éléments et composés chimiques
  • Géochimie
  • Déchets nucléaires
Entrée(s) universelle(s)
CaCO3
formula, see observation
DEF

Composé de calcium et de carbonate [se trouvant] dans la nature sous plusieurs formes, en particulier l'aragonite et la calcite, ou spath d'Islande.

CONT

Le carbonate de calcium [...] est très répandu dans la nature; [...] les pierres calcaires (marbre, craie, moellons) en sont essentiellement formées; les coquillages [...] en contiennent.

OBS

Fort peu soluble dans l'eau pure [...], le carbonate de calcium se transforme en bicarbonate dans les eaux riches en anhydride carbonique [...]

OBS

Formule chimique : CaCO3

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Geoquímica
  • Desechos nucleares
Entrada(s) universal(es)
CaCO3
formula, see observation
OBS

Fórmula química: CaCO3

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