• 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 223/WG 4

Order from DIN Media
DIN EN 18255 2025-10 Draft standard Soil improvers and growing media - Determination of organic nitrogen; German and English version prEN 18255:2025 More  Order from DIN Media
DIN EN 18256 2025-10 Draft standard Digestate - Determination of the residual biogas potential; German and English version prEN 18256:2025 More  Order from DIN Media
DIN EN 18257 2025-11 Draft standard Soil improvers and growing media - Determination of chromium(VI); German and English version prEN 18257:2025 More  Order from DIN Media
DIN EN 18258 2025-11 Draft standard Soil improvers and growing media - Determination of the mercury content; German and English version prEN 18258:2025 More  Order from DIN Media
DIN EN 18259 2025-11 Draft standard Soil improvers and growing media - Determination of aqua regia soluble elements; German and English version prEN 18259:2025 More  Order from DIN Media
DIN EN 18261 2025-11 Draft standard Compost and digestate - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC); German and English version prEN 18261:2025 More  Order from DIN Media

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