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)
NORM herausgegeben am 1.2.2018
Designation standards: STN EN ISO 20227
Classification mark: 757748
Catalog number: 125539
Publication date standards: 1.2.2018
Approximate weight : 36 g (0.08 lbs)
Country: Slovak technical standard
Kategorie: Technische Normen STN