TERMIUM Plus®

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THRESHOLD ODOUR CONCENTRATION [1 record]

Record 1 2012-01-04

English

Subject field(s)
  • Analytical Chemistry
  • The Nose (Medicine)
  • Environmental Studies and Analyses
  • Toxicology
DEF

The lowest concentration in air at which the odour of a material can be detected and/or recognized.

French

Domaine(s)
  • Chimie analytique
  • Nez (Médecine)
  • Études et analyses environnementales
  • Toxicologie
OBS

La méthode ASTM D1391-57 (de l'American Society for Testing and Materials) utilise un groupe de 6 ou 8 expérimentateurs que l'on soumet à des dilutions croissantes (concentrations décroissantes) du polluant dans de l'air frais, jusqu'à ce que 50 % des membres déclarent ne plus rien déceler. La concentration correspondante est appelée «odeur minimum identifiable».

Spanish

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