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ANHYDRE [2 records]

Record 1 2013-08-16

English

Subject field(s)
  • Chemical Elements and Compounds
  • Geochemistry
DEF

Applied to oxides, salts, etc., to indicate that they do not contain water of crystallization or water of combination.

OBS

Compare with "absolute", which means "absolutely free from something." Sometimes considered as a synonym of "anhydrous" when water is concerned, as in "absolute (or 'anhydrous') alcohol."

OBS

anhydrous: term used at Natural Resources Canada - Earth Sciences Sector.

French

Domaine(s)
  • Éléments et composés chimiques
  • Géochimie
DEF

Qui ne contient pas d'eau, spécialement d'eau de cristallisation.

CONT

À part la cordiérite et la staurotide, tous les silicates de métamorphisme sont des silicates d'alumine anhydres [...]

OBS

anhydre : terme uniformisé par le ministère de la Défense nationale.

OBS

anhydre : terme en usage à Ressources naturelles Canada - Secteur des sciences de la Terre.

OBS

S'oppose à «hydraté».

PHR

Sel anhydre.

Spanish

Campo(s) temático(s)
  • Elementos y compuestos químicos
  • Geoquímica
DEF

Falto de agua.

Save record 1

Record 2 1998-04-29

English

Subject field(s)
  • Wood Drying
DEF

Of wood dried to constant weight in a ventilated oven at a temperature above the boiling point of water, generally 103 [+ or -] 2C°.

CONT

... wood is said to be bone dry when it ceases to lose weight after drying in an oven at 100°C.

OBS

bone dry: According to the Department of Energy, Mines and Resources in its publication: "Tree Power. An Assessment of the Energy Potential of Forest Biomass in Canada", 1978, p. 35, oven-dry wood has a higher moisture content (8%) than bone dry wood (0%).

French

Domaine(s)
  • Séchage du bois
DEF

Qualifie le bois qui a été séché au four à 103° [+ ou -] 2 °C (207° [+ ou -] 4 °F) jusqu'à ce que son poids reste constant.

Spanish

Save record 2

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