I.S. EN ISO 20227:2017现行
Water Quality - Determination of the Growth Inhibition Effects of Waste Waters, Natural Waters and Chemicals on the Duckweed Spirodela Polyrhiza - Method Using a Stock Culture Independent Microbiotest (iso 20227:2017)
出版：National Standards Authority of Ireland
专家解读视频
Defines a method for the determination of the inhibition of the growth of the first fronds of Spirodela polyrhiza germinated from turions, by substances and mixtures contained in water or waste water, including treated municipal waste water and industrial effluents.
EN ISO 20227:2017 - Identical
ISO 20227 : 2017 - Identical
EN ISO 20227 : 2017 - Identical
