• Hydrogen Technologies Standards form the basic framework for market ramp-up

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  • Climate change Standards and specifications support climate targets

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  • Smart Farming Standards and specifications are drivers for the digitalization of agriculture

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Publications of CEN/TC 230

DIN EN ISO 19040-1 2023-12 Standards Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018); German version EN ISO 19040-1:2022 More  Order from DIN Media
DIN EN ISO 19040-2 2023-12 Standards Water quality - Determination of the estrogenic potential of water and waste water - Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans) (ISO 19040-2:2018); German version EN ISO 19040-2:2022 More  Order from DIN Media
DIN EN ISO 19040-3 2023-12 Standards Water quality - Determination of the estrogenic potential of water and waste water - Part 3: In vitro human cell-based reporter gene assay (ISO 19040-3:2018); German version EN ISO 19040-3:2022 More  Order from DIN Media
DIN EN ISO 19250 2013-06 Standards Water quality - Detection of Salmonella spp. (ISO 19250:2010); German version EN ISO 19250:2013 More  Order from DIN Media
DIN EN ISO 19340 2019-01 Standards Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017); German version EN ISO 19340:2017 More  Order from DIN Media
DIN EN ISO 19458 2006-12 Standards Water quality - Sampling for microbiological analysis (ISO 19458:2006); German version EN ISO 19458:2006 More  Order from DIN Media
DIN EN ISO 19493 2007-09 Standards Water quality - Guidance on marine biological surveys of hard-substrate communities (ISO 19493:2007); German version EN ISO 19493:2007 More  Order from DIN Media
DIN EN ISO 20079 2006-12 Standards Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005); German version EN ISO 20079:2006 More  Order from DIN Media
DIN EN ISO 20227 2017-10 Standards 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 More  Order from DIN Media
DIN EN ISO 20236 2025-05 Standards Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024); German version EN ISO 20236:2024 More  Order from DIN Media

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