EN ISO 20227:2017
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

Standard No.

EN ISO 20227:2017

Release Date

2017

Published By

European Committee for Standardization (CEN)

Latest

EN ISO 20227:2017

EN ISO 20227:2017 history

• 2017 EN ISO 20227:2017 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