International Standard
ISO 23196:2022
Water quality — Calculation of biological equivalence (BEQ) concentrations
Reference number
ISO 23196:2022
Edición 1
2022-02
International Standard
Vista previa
ISO 23196:2022
74857
No disponible en español
Publicado (Edición 1, 2022)

ISO 23196:2022

ISO 23196:2022
74857
Idioma
Formato
CHF 96
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Resumen

This document specifies the derivation of biological equivalence (BEQ) concentrations for results of in vitro bioassays which are based on measuring effects on a biological process such as enzyme induction or cellular growth. The concept described here can be used for any biological assay after the proof of its applicability.

To derive BEQ concentrations, the effect on a biological process caused by a sample – i.e. the activity of the sample – is expressed in terms of a concentration of a reference compound which results in an equivalent effect on the process. The term "sample" used in this document addresses environmental samples as well as defined mixtures and pure compounds used as test item in a bioassay. BEQ concentrations can be derived for environmental water samples, extracts of environmental water samples including tap water or solutions of pure chemicals or mixtures of chemicals.

Informaciones generales

  •  : Publicado
     : 2022-02
    : Norma Internacional publicada [60.60]
  •  : 1
     : 18
  • ISO/TC 147/SC 5
    13.060.70 
  • RSS actualizaciones

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