DIN EN ISO 23697-1:2025-08
Water quality - Determination of total bound nitrogen (ST-TN<(Index)b>) 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 / Note: Date of issue 2025-07-11
| Fecha edición: |
2025-08-01
En Vigor
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| Idiomas disponibles: | Alemán, Inglés |
| Keywords: | Agricultural chemicals|Agriculture|Bathing water|Cells (glass)|Course of test|Definitions|Dimethylphenol method|Drinking water|Eutrophication|Fertilizers|Industrial|Natural|Nitrification|Nitrogen|Nitrogenous fertilizers|Pollution|Pollution of drinking water|Potable water|Sewage|Testing|Water purification|Water quality|Water testing |
| ICS: | 13.060.50 - Determinación de sustancias químicas en el agua |
| CTN: | |
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Equivalencia Internacional |
Idéntica prEN ISO 23697-1 (2025) Idéntica ISO 23697-1:2023 |










