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
45.79 BHD
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
BH GSO 150-2:2015
GSO 150-2:2013
Bahraini Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
BH GSO 2055-1:2016
GSO 2055-1:2015
Bahraini Technical Regulation
HALAL FOOD - Part 1 : General Requirements
GSO 2055-1:2015
Gulf Technical Regulation
HALAL FOOD - Part 1 : General Requirements
Recently Published
ISO 32662-1:2025
International Standard
Liquid petroleum products — Determination of total contamination — Part 1: Middle distillates and diesel fuels
ISO 32662-2:2025
International Standard
Liquid petroleum products — Determination of total contamination — Part 2: Fatty acid methyl esters
ISO 6563:2025
International Standard
Rear load carrier for wheeled vehicles — Requirements and test methods
ISO 18674-7:2025
International Standard
Geotechnical investigation and testing — Geotechnical monitoring by field instrumentation — Part 7: Measurement of strains: Strain gauges