TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

GYPSE NATUREL [5 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2011-05-16

English

Subject field(s)
  • Chemical Elements and Compounds
  • Food Additives
  • Winemaking
  • Geochemistry
Universal entry(ies)
CaSO4
formula, see observation
DEF

A chemical product which occurs naturally as gypsum and is obtained when sulfuric acid, H2SO4, is combined with calcium hydroxide, CA(OH)2, which appears in the form of a fine, odorless, tasteless, yellowish-white powder, and which is used as a dough conditioner, a gelling and a firming agent in the wine-making and brewing industries, as well as in the manufacture of cheese and preserves.

CONT

Calcium sulfate sometimes contaminates drilling fluids or may be added to provide special properties. It forms a tenacious scale in certain water-handling facilities.

OBS

Chemical formula: CaSO4

French

Domaine(s)
  • Éléments et composés chimiques
  • Additifs alimentaires
  • Industrie vinicole
  • Géochimie
Entrée(s) universelle(s)
CaSO4
formula, see observation
DEF

Produit chimique existant à l'état naturel sous forme de gypse qui se présente sous la forme d’une poudre fine, d’un blanc tirant un peu sur le jaune, inodore et insipide, et que l'on utilise en vinification, en brasserie, en fromagerie, en conserverie en raison de ses propriétés d’agent de conditionnement des pâtes, de gélifiant et de raffermisseur.

OBS

Formule chimique : CaSO4

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Aditivos alimentarios
  • Industria vinícola
  • Geoquímica
Entrada(s) universal(es)
CaSO4
formula, see observation
OBS

Fórmula química: CaSO4

Save record 1

Record 2 2011-01-25

English

Subject field(s)
  • Geochemistry
  • Mineralogy
Universal entry(ies)
CaSO4
formula, see observation
CaO4S
formula, see observation
OBS

anhydrite: A natural calcium sulfate whose compact granular masses resemble that of marble.

OBS

Chemical formula: CaSO4 or CaO4S

French

Domaine(s)
  • Géochimie
  • Minéralogie
Entrée(s) universelle(s)
CaSO4
formula, see observation
CaO4S
formula, see observation
CONT

anhydrite : Sulfate naturel anhydre de calcium [...] de symétrie orthorhombique, généralement associé au sel gemme et au gypse.

OBS

Formule chimique : CaSO4 ou CaO4S

Spanish

Save record 2

Record 3 2006-08-16

English

Subject field(s)
  • Natural Construction Materials
  • Nuclear Waste Materials
  • Soil Improvement and Fertilizer Management
DEF

A gypsum produced in the manufacture of phosphoric acid and used in cement.

CONT

In the past, the phosphate fertilizer industry was the largest generator of incidental waste in Ontario, producing about 900,000 cu.m. per year of naturally-contaminated phosphogypsum waste. Phosphogypsum results from the chemical treatment of phosphate rock and contains low concentrations of uranium and radium, which render it unsuitable for unrestricted use.

CONT

Large quantities of impure calcium sulphate (phosphogypsum) are produced in the wet process; small amounts of this are used as a soil conditioner in the U.S.A., but the remainder constitutes a major disposal problem.

French

Domaine(s)
  • Matériaux de construction naturels
  • Déchets nucléaires
  • Fumure et amélioration du sol
DEF

Sous-produit de la fabrication de l’acide phosphorique, résultant de l’attaque sulfurique d’un phosphate naturel.

CONT

De vastes quantités de sulfates de calcium impurs (phosphogypse) sont produites par le procédé humide; de petites quantités de ce produit sont directement utilisées comme conditionneur de sol aux États-Unis, mais le reste constitue un important problème d’élimination.

OBS

De structure analogue à celle du gypse naturel, le phosphogypse est valorisé grâce à certains traitements et sert à fabriquer du plâtre, surtout dans les pays n’ ayant pas de gypse naturel, comme le Japon.

Spanish

Campo(s) temático(s)
  • Materiales de construcción naturales
  • Desechos nucleares
  • Abono y mejoramiento del suelo
Save record 3

Record 4 1992-10-09

English

Subject field(s)
  • Mineralogy
  • Binders and Mastics (Constr.)
OBS

saccharoidal: Having a granular texture resembling that of loaf sugar ....

French

Domaine(s)
  • Minéralogie
  • Liants et mastics (Construction)
DEF

Gypse naturel dont les cristaux fins et réguliers évoquent des grains de sucre.

OBS

Le gypse se présente en nombreuses variétés : fer de lance, pied d’alouette, fibreux, saccharoïde, lamellaire.

Spanish

Save record 4

Record 5 1985-12-13

English

Subject field(s)
  • Binders and Mastics (Constr.)

French

Domaine(s)
  • Liants et mastics (Construction)
DEF

Roche naturelle composée essentiellement de sulfate de calcium hydraté de formule CaSO42H20.

Spanish

Save record 5

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