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

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Publications of CEN/TC 230

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
DIN EN ISO 21253-1 2022-12 Standards Water quality - Multi-compound class methods - Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry (ISO 21253-1:2019); German version EN ISO 21253-1:2019 More  Order from DIN Media
DIN EN ISO 21253-2 2022-12 Standards Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO 21253-2:2019); German version EN ISO 21253-2:2019 More  Order from DIN Media
DIN EN ISO 21427-2 2009-08 Standards Water quality - Evaluation of genotoxicity by measurement of the induction of micronuclei - Part 2: Mixed population method using the cell line V79 (ISO 21427-2:2006); German version EN ISO 21427-2:2009 More  Order from DIN Media
DIN EN ISO 22017 2024-10 Standards Water quality - Guidance for rapid radioactivity measurements in nuclear or radiological emergency situation (ISO 22017:2020); German version EN ISO 22017:2020 More  Order from DIN Media

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