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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 CEN/TC 164/WG 9

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DIN EN 889	2023-05	Standards	Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate; German version EN 889:2023 More	Order from DIN Media
DIN EN 889	2025-08	Draft standard	Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate; German and English version prEN 889:2025 More	Order from DIN Media
DIN EN 890	2023-05	Standards	Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution; German version EN 890:2023 More	Order from DIN Media
DIN EN 890	2025-08	Draft standard	Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution; German and English version prEN 890:2025 More	Order from DIN Media
DIN EN 891	2023-05	Standards	Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German version EN 891:2023 More	Order from DIN Media
DIN EN 891	2025-08	Draft standard	Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German and English version prEN 891:2025 More	Order from DIN Media
DIN EN 896	2013-02	Standards	Chemicals used for treatment of water intended for human consumption - Sodium hydroxide; German version EN 896:2012 More	Order from DIN Media
DIN EN 897	2013-02	Standards	Chemicals used for treatment of water intended for human consumption - Sodium carbonate; German version EN 897:2012 More	Order from DIN Media
DIN EN 898	2013-02	Standards	Chemicals used for treatment of water intended for human consumption - Sodium hydrogen carbonate; German version EN 898:2012 More	Order from DIN Media
DIN EN 899	2022-10	Standards	Chemicals used for treatment of water intended for human consumption - Sulfuric acid; German version EN 899:2022 More	Order from DIN Media

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