UNE-EN ISO 23697-2:2026

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)

STANDARD published on 21.10.2026

English -
electronic design (pdf) (71.40 USD)

English -

Print design (78.60 USD)

Spanish -

electronic design (pdf) (71.40 USD)

Spanish -

Print design (78.60 USD)

The information about the standard:

Designation standards: UNE-EN ISO 23697-2:2026
Publication date standards: 21.10.2026
The number of pages: 17
Approximate weight : 51 g (0.11 lbs)
Country: Spanish technical standard
Category: Technical standards UNE