STN EN ISO 23697-1 (757494)

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)

STANDARD published on 1.5.2026

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The information about the standard:

Designation standards: STN EN ISO 23697-1
Classification mark: 757494
Catalog number: 142129
Publication date standards: 1.5.2026
Approximate weight : 30 g (0.07 lbs)
Country: Slovak technical standard
Category: Technical standards STN