DIN EN ISO 20227
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/DIS 20227:2016); German and English version prEN ISO 20227:2016
废止
发布日期 :
2001-06-01
实施日期 :
DIN 38409-22
German standard methods for the examination of water, waste water and sludge - Parameters characterizing effects and substances (group H) - Part 22: Determination of dissolved adsorbable and organically bound halogens in highly saline water following solid-phase enrichment (SPE-AOX) (H 22)
废止
发布日期 :
2001-02-01
实施日期 :