ISO 4979:2023
International Standard
Current Edition
·
Approved on
29 June 2023
Water quality — Aquatic toxicity test based on root re-growth in Lemna minor
ISO 4979:2023 Files
English
14 Pages
Current Edition
46.9 OMR
ISO 4979:2023 Scope
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.
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 150-2:2013
GSO 150-2:2013
Omani Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
OS GSO 2055-1:2015
GSO 2055-1:2015
Omani Standard
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 9241-171:2025
International Standard
Ergonomics of human-system interaction — Part 171: Software accessibility
ISO 21557:2025
International Standard
Mining — Mining methods — Classification and specification
ISO 8347:2025
International Standard
Measurement procedures associated with the chain of custody in native tropical forest management areas
ISO 37306:2025
International Standard
Liquid petroleum products — Determination of distillation characteristics at atmospheric pressure — Micro-distillation