DIN 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 (ISO 20227:2017)
- Standard No.
- DIN EN ISO 20227:2017
- Release Date
- 2017
- Published By
- German Institute for Standardization
- Status
- Replace By
- DIN EN ISO 20227:2017-10
- Latest
- DIN EN ISO 20227:2017-10
DIN EN ISO 20227:2017 history
- 2017 DIN EN ISO 20227:2017-10 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); German version EN ISO 20227:2017
- 2017 DIN 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 (ISO 20227:2017)
- 1970 DIN EN ISO 20227 E:2016-06
