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NA 119

DIN Standards Committee Water Practice

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Drafts of NA 119

Number: 134

DIN EN 888 2025-08 Chemicals used for treatment of water intended for human consumption - Iron (III) chloride; German and English version prEN 888:2025 More  Read draft and comment
DIN EN 891 2025-08 Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfate; German and English version prEN 891:2025 More  Read draft and comment
DIN EN 889 2025-08 Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate; German and English version prEN 889:2025 More  Read draft and comment
DIN EN ISO 5667-15 2025-08 Water quality - Sampling - Part 15: Preservation and handling of samples of sludge, sediment and suspended matter (ISO/DIS 5667-15:2025); German and English version prEN ISO 5667-15:2025 More  Read draft and comment
DIN EN 890 2025-08 Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution; German and English version prEN 890:2025 More  Read draft and comment
DIN EN 14664 2025-08 Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate, solid; German and English version prEN 14664:2025 More  Read draft and comment
DIN EN 878 2025-08 Chemicals used for treatment of water intended for human consumption - Aluminium sulfate; German and English version prEN 878:2025 More 
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 

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