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  • BSI
    BS ISO 23734:2021 Marine technology. Marine environment impact assessment (MEIA). On-board bioassay to monitor seawater quality using delayed fluorescence of microalga
    Edition: 2021
    $435.35
    / user per year

Description of BS ISO 23734:2021 2021

This document specifies a bioassay for the determination of the presence of unknown toxic contaminants in test seawater (see Figure A.1). It is based on the inhibition of photosynthetic activity of the marine cyanobacterium Cyanobium sp. (NIES-981) by such toxic contaminants. The inhibition is determined based on delayed fluorescence (DF) intensity.

The method is rapid and requires less laboratory space than standard bioassays. Hence, it can be used on-board to generate basic data for seawater quality management at deep-sea mining sites where time and space are extremely limited.



Standard NumberBS ISO 23734:2021
TitleMarine technology. Marine environment impact assessment (MEIA). On-board bioassay to monitor seawater quality using delayed fluorescence of microalga
StatusDefinitive
Publication Date2021-08-02
Identical National Standard OfISO 23734
DescriptorsFluorescence, Quality, Seawater, Bioassay, Biological analysis and testing, Marine environment
ICS47.020.01 General standards related to shipbuilding and marine structures, 13.020.30 Environmental impact assessment
CommitteeSME/32
ISBN978 0 539 03794 4
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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