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

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Publications of CEN/TC 230

DIN EN ISO 23696-2 2025-08 Draft standard Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German and English version prEN ISO 23696-2:2025 More  Order from DIN Media
DIN EN ISO 23697-1 2025-08 Draft standard Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023); German and English version prEN ISO 23697-1:2025 More  Order from DIN Media
DIN EN ISO 23697-2 2025-08 Draft standard Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023); German and English version prEN ISO 23697-2:2025 More  Order from DIN Media
DIN EN ISO 23913 2009-09 Standards Water quality - Determination of chromium(VI) - Method using flow analysis (FIA and CFA) and spectrometric detection (ISO 23913:2006); German version EN ISO 23913:2009 More  Order from DIN Media
DIN EN ISO 27108 2013-12 Standards Water quality - Determination of selected plant treatment agents and biocide products - Method using solid-phase microextraction (SPME) followed by gas chromatography-mass spectrometry (GC-MS) (ISO 27108:2010); German version EN ISO 27108:2013 More  Order from DIN Media
DIN SPEC 1164 ; DIN-Fachbericht ISO/TR 15462:2010-05 2010-05 Technical rule Water quality - Selection of tests for biodegradability (ISO/TR 15462:2006); German version CEN ISO/TR 15462:2009 More  Order from DIN Media

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