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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 NA 057-03-02 AA

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DIN EN 15925	2011-12	Standards	Fertilizers - Extraction of total sulfur present in various forms; German version EN 15925:2011 More	Order from DIN Media
DIN EN 15926	2011-12	Standards	Fertilizers - Extraction of water soluble sulfur where the sulfur is in various forms; German version EN 15926:2011 More	Order from DIN Media
DIN EN 15928	2010-12	Standards	Fertilizers - Determination of the fineness of grinding (dry procedure); German version EN 15928:2010 More	Order from DIN Media
DIN EN 15950	2010-12	Standards	Fertilizers - Determination of N-(1,2-dicarboxyethyl)-D,L-aspartic acid (Iminodisuccinic acid, IDHA) using high-performance liquid chromatography (HPLC); German version EN 15950:2010 More	Order from DIN Media
DIN EN 15956	2025-12	Draft standard	Inorganic fertilizers - Extraction of phosphorus soluble in mineral acids; German and English version prEN 15956:2025 More	Order from DIN Media
DIN EN 15956	2011-12	Standards	Fertilizers - Extraction of phosphorus soluble in mineral acids; German version EN 15956:2011 More	Order from DIN Media
DIN EN 15957	2025-12	Draft standard	Inorganic fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate; German and English version prEN 15957:2026 More	Order from DIN Media
DIN EN 15957	2011-12	Standards	Fertilizers - Extraction of phosphorus which is soluble in neutral ammonium citrate; German version EN 15957:2011 More	Order from DIN Media
DIN EN 15958	2012-02	Standards	Fertilizers - Extraction of water soluble phosphorus; German version EN 15958:2011 More	Order from DIN Media
DIN EN 15959	2024-03	Standards	Inorganic fertilizers - Determination of extracted phosphorus P₂O₅; German version EN 15959:2023 More	Order from DIN Media

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