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BS EN ISO 23697-2:2025 | British Standards

Standards Shop | ICS 13 | ICS 13.060 |  ICS 13.060.50

13.060.50 Examination of water for chemical substances

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

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

BS EN ISO 23697-2:2025

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


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ISBN: 9780539371116

Keywords:
Organic nitrogen compounds (aliphatic), Nitrous oxide, Nitric acid, Group Ia inorganic compounds, Water supply, Tubes (pipes), Watering, Chromotropic acid, PDF
Publication Date22 Dec 2025
Product SKU30516420
ISBN9780539371116
BSI CodeBS EN ISO 23697-2:2025
No. of pages18
CorrectsBS ISO 23697-2:2023
PublisherBritish Standards Institution
Identical National Standard to:
  • EN ISO 23697-2
  • ISO 23697-2:2023




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