ISO 23734:2021

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Marine technology — Marine environment impact assessment (MEIA) — On-board bioassay to monitor seawater quality using delayed fluorescence of microalga

Published By	Publication Date	Number of Pages
ISO	2021-07	24

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Categories: 13.020.30 - Environmental impact assessment, 47.020.01 - General standards related to shipbuilding and marine structures, ISO

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Description

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.

Additional information

Published Code	ISO
Published By	International Organization for Standardization
Publication Date	2021-07
Pages Count	24
Language	English
Edition	1
File Size	1.0 MB
ICS Codes	13.020.30 - Environmental impact assessment 47.020.01 - General standards related to shipbuilding and marine structures

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ISO 23734:2021

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