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ISO 21716-4:2025

Ships and marine technology — Bioassay methods for screening anti-fouling paints — Part 4: Algae ISO 21716-4:2025

Publication date:   Aug 18, 2025

General information

60.60   Standard published   Aug 18, 2025

ISO

ISO/TC 8/SC 2 Marine environment protection

International Standard

47.020.99   Other standards related to shipbuilding and marine structures | 13.020.99   Other standards related to environmental protection

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Scope

This document specifies the laboratory test method for screening anti-fouling paints in a flow-through system using algae as the test organism. It is intended to be used in conjunction with ISO 21716-1, which specifies the general requirements of the test methods described in the other parts of the ISO 21716 series. The purpose of the test specified in this document is to determine the difference in colour of algae on painted test panels compared with algae on inert non-toxic control panels under the test conditions.

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PUBLISHED
ISO 21716-4:2025
60.60 Standard published
Aug 18, 2025




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