1. https://data.geoscience.earth/ncl
  2. ISO11074v2025
  3. _3.261
stable

Entry: median lethal concentration

URI: https://data.geoscience.earth/ncl/ISO11074v2025/3.261

concentration (3.86) of a test substance (3.530) or percent dilution of contaminated soil which kills 50 % of the test organisms within the test period

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is a Concept
submitted byCorentin Follenfant
accepted on 11 Apr 2025 14:04:02.605

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date accepted 11 Apr 2025 14:04:02.605
date submitted 11 Apr 2025 13:59:37.317
definition
entity median lethal concentration
source graph graph

item class Concept
label
en median lethal concentration
fr concentration létale médiane
notation 3.261
register ISO11074v2025
status status stable
submitter
account name c.follenfant@brgm.fr
name Corentin Follenfant

type register item
version info 3
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Definition

alt label
en LC50
fr CL50
definition
en <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.86">concentration <span class="sts-tbx-entailedTerm-num">(3.86)</span></a></span> of a <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.530">test substance <span class="sts-tbx-entailedTerm-num">(3.530)</span></a></span> or percent dilution of contaminated soil which kills&nbsp;50&nbsp;% of the test organisms within the test period
fr <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.86">concentration <span class="sts-tbx-entailedTerm-num">(3.86)</span></a></span> d'une <span class="sts-tbx-entailedTerm"><a href="https://data.geoscience.earth/ncl/ISO11074v2025/3.530">substance d'essai <span class="sts-tbx-entailedTerm-num">(3.530)</span></a></span> ou pourcentage de dilution du sol contaminé qui provoque la mort de 50&nbsp;% des organismes d'essai pendant la période d'expérimentation
has context
en fauna
fr faune
notation 3.261
pref label
en median lethal concentration
fr concentration létale médiane
same as iso:std:iso:11074:ed 3:v1:en:term:3.261
type Concept

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