SN 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：Swiss Standards
专家解读视频
基本信息
标准编号： SN EN ISO 20227 : 2017
标准类别：Standard
出版单位：Swiss Standards
标准页数：0
标准简介
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.
