ISO 4979:2023
Water quality — Aquatic toxicity test based on root re-growth in Lemna minor
Water quality — Aquatic toxicity test based on root re-growth in Lemna minor
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 14
- Дата публикации:
- 29 июня 2023 г.
- Издание:
- ISO IS 4979 edition 1 version 1
- ICS:
- 13.060.70
This document specifies a method for the determination of the inhibition of root re-growth in duckweeds (Lemna minor) by substances and mixtures contained in water or waste water. This method applies to environmental water samples including treated municipal wastewater and industrial effluents.
Abstract
Overview
ISO 4979:2023 - "Water quality - Aquatic toxicity test based on root re-growth in Lemna minor" specifies a rapid, standardized bioassay to measure inhibition of exposed to substances or mixtures in water. The method is designed for environmental water samples including treated municipal wastewater and industrial effluents. Key features include a short exposure period (72 hours), root excision prior to exposure, and small-volume test vessels for efficient wastewater screening.
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