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NA 119

DIN Standards Committee Water Practice

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Drafts of NA 119

Number: 126

DIN EN 882 2025-08 Chemicals used for treatment of water intended for human consumption - Sodium aluminate; German and English version prEN 882:2025 More 
DIN EN 887 2025-08 Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) sulfate; German and English version prEN 887:2025 More 
DIN EN ISO 23697-2 2025-08 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 
DIN EN ISO 23695 2025-08 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 
DIN EN ISO 23696-1 2025-08 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 
DIN EN ISO 23697-1 2025-08 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 
DIN EN ISO 23696-2 2025-08 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 
DIN 19294-2 2025-08 Devices for the disinfection of water using ultraviolet radiation - Part 2: Devices equipped with UV medium pressure lamps - Requirements and testing More 
DIN EN ISO 19388 2025-07 Sludge recovery, recycling, treatment and disposal - Requirements and recommendations for the operation of anaerobic digestion facilities (ISO 19388:2023); German and English version prEN ISO 19388:2025 More 
DIN EN ISO 23611-1 2025-07 Soil quality - Sampling of soil invertebrates - Part 1: Hand-sorting and extraction of earthworms (ISO/DIS 23611-1:2025); German and English version prEN ISO 23611-1:2025 More 

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