DIN EN ISO 23697-2:2026-06

Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction.

STANDARD published on 1.6.2026

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The information about the standard:

Designation standards: DIN EN ISO 23697-2:2026-06
Publication date standards: 1.6.2026
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: German technical standard
Category: Technical standards DIN

Annotation of standard text DIN EN ISO 23697-2:2026-06 :

Wasserbeschaffenheit - Bestimmung von Gesamt-Stickstoff (ST-TNb) in Wasser mittels Küvetten - Teil 2: Verfahren mit Chromotropsäure.