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 and English version prEN ISO 23697-1:2025

Draft standard

DIN EN ISO 23697-1:2025-08 - Draft

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 and English version prEN ISO 23697-1:2025

German title
Wasserbeschaffenheit - Bestimmung von Gesamt-Stickstoff (TNb) in Wasser mittels Küvetten - Teil 1: Verfahren mit Dimethylphenol (ISO 23697-1:2023); Deutsche und Englische Fassung prEN ISO 23697-1:2025
Date of issue
2025-07-11
Publication date
2025-08
Original language
German, English
Pages
31

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Date of issue
2025-07-11
Publication date
2025-08
Original language
German, English
Pages
31
DOI
https://dx.doi.org/10.31030/3631990

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Content

ICS

13.060.50

DOI

https://dx.doi.org/10.31030/3631990

Cooperation at DIN

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