Water quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium (ISO/DIS 10634:2017); German and English version prEN ISO 10634:2017
€91.03
Water quality - Guidance on analysis of mesozooplankton from marine and brackish water; German and English version prEN 17204:2017
€98.32
Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zone; German and English version prEN 17211:2017
€105.42
Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using mesh; German and English version prEN 17218:2018
Water Quality - Guidance standard for assessing the hydromorphological features of rivers; German and English version prEN 14614:2018
€134.02
Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2016); German version EN ISO 10253:2016
Water Quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environment; German version EN 16859:2017
€128.22
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
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria - AMENDMENT 1 (ISO 11348-1:2007/DAM 1:2017); German and English version EN ISO 11348-1:2008/prA1:2017
€48.79
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria - AMENDMENT 1 (ISO 11348-2:2007/DAM 1:2017); German and English version EN ISO 11348-2:2008/prA1:2017
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria - AMENDMENT 1 (ISO 11348-3:2007/DAM 1:2017); German and English version EN ISO 11348-3:2008/prA1:2017
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999); German version EN ISO 9888:1999
€56.17
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 37: Determination of the inhibitory effect of water on the growth of bacteria (Photobacterium phosphoreum cell multiplication inhibition test) (L 37)
€41.78
Water quality - Evaluation of the "ultimate" anaerobic biodegradability of organic compounds in digested sludge - Method by measurement of the biogas production (ISO 11734:1995); German version EN ISO 11734:1998
€63.27
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999); German version EN ISO 9439:2000
