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NA 119

DIN Standards Committee Water Practice

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Publications of NA 119

Number: 2,225

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 19573 2026-06 Standard Mortar for construction and rehabilitation of drains and sewers outside buildings 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
DIN EN 13476-1 2026-06 Standard Plastics piping systems for non-pressure underground drains and sewers - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 1: General requirements and performance characteristics; German version EN 13476-1:2025 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 CEN/TS 13476-4 2026-06 VN Plastics piping systems for non-pressure underground drains and sewers - Structured-wall piping systems of unplasticized poly(vinyl chloride) (PVC-U), polypropylene (PP) and polyethylene (PE) - Part 4: Assessment of conformity; German version CEN/TS 13476-4:2025 More  Order from DIN Media
DIN CEN/TS 12201-7 2026-05 VN Plastics piping systems for water supply, and for drains and sewers under pressure - Polyethylene (PE) - Part 7: Assessment of conformity; German version CEN/TS 12201-7:2026 More  Order from DIN Media
DIN EN 15542 2026-05 Standard Ductile iron pipes, fittings and accessories - External cement mortar coating for pipes - Requirements and test methods; German version EN 15542:2026 More  Order from DIN Media

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