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  • BSI
    BS EN ISO 23196:2023 Water quality. Calculation of biological equivalence (BEQ) concentrations
    Edition: 2023
    $435.35
    / user per year

Description of BS EN ISO 23196:2023 2023

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.

Standard NumberBS EN ISO 23196:2023
TitleWater quality. Calculation of biological equivalence (BEQ) concentrations
StatusDefinitive
Publication Date2023-09-05
Identical National Standard OfEN ISO 23196:2023, ISO 23196:2022
CorrectsBS ISO 23196:2022
DescriptorsReaction time (biological), Water treatment, Biological water pollutants, Water purification, Biological analysis and testing
ICS13.060.70 Examination of biological properties of water
CommitteeEH/3/5
ISBN978 0 539 26195 0
PublisherBSI
Pages26

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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