TERMIUM Plus®

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EFFECTIVE CONCENTRATION 50 [2 records]

Filter results by subject field Alphabetical list of terms

Filter results by subject field

Alphabetical list of terms

Record 1 - external organization data 2011-03-21

English

Subject field(s)
  • Scientific Measurements and Analyses
  • Chemistry
  • Compartment - Canadian Nuclear Safety Commission
CONT

The toxicity tests must follow Environment Canada protocols [1 to 10] and be of the quality to meet Canadian Council of Ministers of the Environment (CCME) primary study criteria. The LC50/EC50s and LC25/EC25s are to be calculated and reported.

OBS

effective concentration 50; EC50: The number 50 is subscripted.

French

Domaine(s)
  • Mesures et analyse (Sciences)
  • Chimie
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Les essais de toxicité effectués doivent suivre les protocoles d'Environnement Canada [1 à 10] et leur qualité doit satisfaire aux critères d'étude du Conseil canadien des ministres de l'Environnement (CCME). Les CL50/CE50 et CL25/CE25 doivent être calculés et signalés.

OBS

concentration efficace 50; CE50 : Le nombre 50 se place en indice.

Spanish

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Record 2 2010-09-13

English

Subject field(s)
  • Environmental Studies and Analyses
  • Scientific Measurements and Analyses
DEF

The statistically derived concentration of a toxicant that can be expected to cause a defined non-lethal effect in 50 per cent of the given population of organisms under defined conditions.

OBS

EC50

French

Domaine(s)
  • Études et analyses environnementales
  • Mesures et analyse (Sciences)
DEF

Dans un essai biologique, concentration à laquelle se produit chez 50 % de la population, pour une durée d'exposition donnée, un effet décelable.

CONT

Détermination de la concentration qui, dans les conditions standard, inhibe la locomotion de 50 % des individus d'une population de Daphnies jeunes en 24 ou 48 heures. Ces «concentrations efficaces» sont dénommées respectivement CE 50 - 24 h et CE 50 - 48 h.

OBS

CE50

Spanish

Campo(s) temático(s)
  • Estudios y análisis del medio ambiente
  • Medición y análisis (Ciencias)
DEF

Concentración estadísticamente derivada de un tóxico que, según se puede pronosticar, causará un efecto letal no definido en 50% de una población dada de organismos bajo condiciones definidas.

CONT

La concentración efectiva demuestra que causa una disminución de luz del 50%, conocida como EC50, se usa como indicador de la medida de ecotoxicidad.

CONT

Según este bioensayo de luminiscencia se considera que un residuo es ecotóxico si su lixiviado presenta una EC50 (15°C, 15 min.) inferior o igual a 3.000 mg/l.

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