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

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Projects of CEN/TC 187/WG 4

DIN EN ISO 14720-2 rev 2024-04-18 Testing of ceramic materials - Determination of sulfur in non-oxidic ceramic raw materials and ceramic materials - Part 2: inductively coupled plasma optical emission spectrometry (ICP-OES) or ion chromatography (IC) after burning in the oxygen flow More  Comment 
DIN EN ISO 14720-1 rev 2024-04-18 Testing of ceramic materials - Determination of sulfur in non-oxidic ceramic raw materials and ceramic materials - Part 1: Infrared measurement methods More  Comment 
DIN EN 15979 2023-07-14 Testing of ceramic raw materials and ceramic materials — Direct determination of mass fractions of impurities in powders and granules of silicon carbide by optical emission spectrometry by direct current arc excitation (DCArc-OES) More  Comment 
DIN EN 15991 2023-07-14 Testing of ceramic raw materials and ceramic materials - Direct determination of mass fractions of impurities in powders and granules of silicon carbide by inductively coupled plasma optical emission spectrometry (ICP OES) with electrothermal vaporisation (ETV) More  Comment 
DIN EN ISO 21068-4 2023-04-03 Chemical analysis of raw materials and refractory products containing silicon carbide, silicon nitride, silicon oxynitride and sialon - Part 4: XRD methods (ISO/FDIS 21068-4:2024); German version FprEN 21068-4:2024 More  Comment 
DIN EN ISO 14719 rev 2023-01-23 Chemical analysis of refractory material glass and glazes - Determination of Fe2+ and Fe3+ by the spectral photometric method with 1,10-phenanthroline More  Comment 
DIN EN ISO 21068-1 2021-11-15 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 1: General information, terminology and sample preparation (ISO/FDIS 21068-1:2024); German version FprEN ISO 21068-1:2024 More  Comment 
DIN EN ISO 21068-2 2021-11-15 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 2: Determination of volatile components, total carbon, free carbon, silicon carbide, total and free silicon, free and surface silica (ISO/FDIS 21068-2:2024); German version FprEN ISO 21068-2:2024 More  Comment 
DIN EN ISO 21068-3 2021-11-15 Chemical analysis of raw materials and refractory products containing silicon-carbide, silicon-nitride, silicon-oxynitride and sialon - Part 3: Determination of nitrogen, oxygen and metallic and oxidic constituents (ISO/FDIS 21068-3:2024); German version FprEN ISO 21068-3:2024 More  Comment 

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