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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 / Note: Date of issue 2025-07-11
| Fecha edición: |
2025-08-01
En Vigor
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|---|---|
| Idiomas disponibles: | Alemán, Inglés |
| Resumen: | This document specifies a method for the determination of nitrate as NO3-N in water of various origin such as natural water (including groundwater, surface water and bathing water), drinking water and wastewater, in a measuring range of concentration between 0,20 mg/l and 30 mg/l of NO3-N using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required. |
| Keywords: | Agricultural chemicals|Agriculture|Bathing water|Chromotropic acid|Course of test|Definitions|Drinking water|Fertilizers|Food factories|Food industry|Industrial|Manufacture of paper|Natural|Nitrates|Nitrification|Nitrogen|Nitrogenous fertilizers|Paper industry|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 ISO 23696-2:2023 |










