BS EN ISO 20227 : 2017現行
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：British Standards Institution
專家解讀視頻
基本信息
標準編號： BS EN ISO 20227 : 2017
發布時間：2017/1/1 0:00:00
標準類別：Standard
出版單位：British Standards Institution
標準頁數：32
標準簡介
Describes 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.
本標準替代的舊標準
