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)
NORMA vydaná dňa 28.2.2018
Designation standards: UNE-EN ISO 20227:2018
Publication date standards: 28.2.2018
The number of pages: 29
Approximate weight : 87 g (0.19 lbs)
Country: Spanish technical standard
Kategória: Technické normy UNE