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 and English version prEN ISO 23697-2:2025
German title
Wasserbeschaffenheit - Bestimmung von Gesamt-Stickstoff (TNb) in Wasser mittels Küvetten - Teil 2: Verfahren mit Chromotropsäure (ISO 23697-2:2023); Deutsche und Englische Fassung prEN ISO 23697-2:2025
Date of issue
2025-07-11
Publication date
2025-08
Original language
German,
English
Pages
30
Date of issue
2025-07-11
Publication date
2025-08
Original language
German,
English
Pages
30
DOI
https://dx.doi.org/10.31030/3632007
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Content
ICS
13.060.50
DOI
https://dx.doi.org/10.31030/3632007
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