TERMIUM Plus®

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

CONCENTRATION EMPLOI [1 record]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 2012-06-01

English

Subject field(s)
  • Crop Protection
  • Chemistry
DEF

The amount of active ingredient or acid equivalent in a given volume of liquid or in a given weight of dry material.

CONT

Wettable powders frequently contain 50 per cent active ingredient, but some contain higher concentrations.

OBS

The English concept often infers that the concentration of active ingredient or pesticide can be measured in a pesticidal product either as marketed or in its diluted form, ready for application. It thus appears that the English "concentration" is a generic term, whereas the French language makes a distinction between such measurements according to whether they are taken before (teneur) or after (concentration d'emploi) a product's dilution.

French

Domaine(s)
  • Protection des végétaux
  • Chimie
DEF

Quantité de matière active ou de préparation contenue dans l'unité de volume ou de masse d'une bouillie ou d'un appât au moment de l'emploi.

OBS

Bien que «concentration d'emploi» rend bien le sens de la notion, la forme elliptique «concentration» est d'usage plus courant. Le terme «concentration (d'emploi)» a été normalisé par l'AFNOR pour les bouillies à épandre seulement. Sur ce point, l'AFNOR se distingue de plusieurs autres sources dignes de foi qui englobent également les produits à l'état solide dans cette notion.

OBS

concentration d'emploi : terme normalisé par l'AFNOR.

OBS

Pour éviter toute ambiguïté, on exprime en grammes les concentrations de matières actives et en kilogrammes les concentrations des spécialités et des produits industriels simples.

Spanish

Campo(s) temático(s)
  • Protección de las plantas
  • Química
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