BS EN ISO 23697-1:2025
Current
Current
The latest, up-to-date edition.
Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes Dimethylphenol colour reaction
Available format(s)
Hardcopy , PDF
Language(s)
English
Published date
19-12-2025
Publisher
€188.48
Excluding VAT
| Committee |
EH/3
|
| DocumentType |
Standard
|
| Pages |
0
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This document specifies a method for the determination of total bound nitrogen (ST-TNb) in water of various origins: groundwater, surface water, and wastewater, in a measuring range of concentration generally between 0,5 mg/l and 220 mg/l of ST-TNb using the small-scale sealed tube method. Different measuring ranges of small-scale sealed tube methods can be required.
| Standards | Relationship |
| I.S. EN ISO 23697-1:2025 | Equivalent |
| EN ISO 23697-1:2025 | Equivalent |
| ISO 23697-1:2023 | Identical |
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