TERMIUM Plus®

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

SUBSTANCE ALCALINE [2 records]

Record 1 2007-01-04

English

Subject field(s)
  • Analytical Chemistry
  • Air Pollution
DEF

A substance having a pH of more than 7.

CONT

On land, natural injection of alkaline substances such as calcium, magnesium or potassium ions into the atmosphere as wind-blow from natural soils far outweigh man-made emissions ... and cement production.

French

Domaine(s)
  • Chimie analytique
  • Pollution de l'air
DEF

Substance très oxydable comme le sodium ou le potassium.

CONT

Afin d’enrichir le Lac Bleu, situé en Mauricie, et d’y favoriser la croissance de l’omble de fontaine, on y déversa des substances alcalines en 1944.

Spanish

Campo(s) temático(s)
  • Química analítica
  • Contaminación del aire
Save record 1

Record 2 1987-07-06

English

Subject field(s)
  • Animal Feed (Agric.)
OBS

produit utilisé dans l'alimentation des animaux pour maintenir le pH. (potentiel d'hydrogène).

French

Domaine(s)
  • Alimentation des animaux (Agric.)
OBS

tampon : Se dit d’un système physio-chimique dont l'acidité(pH) n’ est pas modifiée par l'introduction d’une quantité relativement importante d’une substance acide ou alcaline.

Spanish

Save record 2

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