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NA 119

DIN Standards Committee Water Practice

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Publications of NA 119

Number: 2,230

ISO 25175 2026-06 Standard Marine technology - Standard test methods for performance of reverse osmosis (RO) and nanofiltration (NF) membrane elements More  Order from DIN Media
DIN EN 15848 2026-06 Standard Water conditioning equipment inside buildings - Adjustable chemical dosing systems - Requirements for performance, safety and testing; German version EN 15848:2026 More  Order from DIN Media
DIN EN ISO 18724 2026-06 Standard Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025); German version EN ISO 18724:2025 More  Order from DIN Media
DIN EN ISO 23695 2026-06 Standard 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 2026-06 Standard 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 23697-1 2026-06 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 version EN ISO 23697-1:2025 More  Order from DIN Media
DIN EN ISO 23696-2 2026-06 Standard 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 23697-2 2026-06 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 version EN ISO 23697-2:2025 More  Order from DIN Media
DIN EN ISO 17601 2026-06 Standard Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative polymerase chain reaction (qPCR) from DNA directly extracted from soil (ISO 17601:2025); German version EN ISO 17601:2025 More  Order from DIN Media
ISO 14669 2026-06 Standard Water quality - Determination of acute lethal toxicity to marine copepods (Copepoda, Crustacea) More  Order from DIN Media

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