
Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction.
NORMA vydaná dňa 1.6.2026
Designation standards: DIN EN ISO 23697-1:2026-06
Publication date standards: 1.6.2026
The number of pages: 18
Approximate weight : 54 g (0.12 lbs)
Country: German technical standard
Kategória: Technické normy DIN
Wasserbeschaffenheit - Bestimmung von Gesamt-Stickstoff (ST-TNb) in Wasser mittels Küvetten - Teil 1: Verfahren mit Dimethylphenol.