• 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 119-09-02 AA

Order from DIN Media
DIN EN ISO 23695 2025-08 Draft standard Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023); German and English version prEN ISO 23695:2025 More  Order from DIN Media
DIN EN ISO 23695 2026-06 Standards Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023); German version EN ISO 23695:2025 More  Order from DIN Media
DIN EN ISO 23696-1 2025-08 Draft standard Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German and English version prEN ISO 23696-1:2025 More  Order from DIN Media
DIN EN ISO 23696-1 2026-06 Standards Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023); German version EN ISO 23696-1:2025 More  Order from DIN Media
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 23696-2 2026-06 Standards Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023); German version EN 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 23697-1 2026-06 Standards 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 version EN 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 23697-2 2026-06 Standards 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 version EN ISO 23697-2:2025 More  Order from DIN Media

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