BS ISO 23697-1:2023

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Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes – Dimethylphenol colour reaction

Published By	Publication Date	Number of Pages
BSI	2023	18

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Categories: 13.060.50 - Examination of water for chemical substances, BSI

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Description

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PDF Pages	PDF Title
2	National foreword
6	Foreword
7	Introduction
9	1 Scope 2 Normative references
10	3 Terms and definitions 4 Principle 5 Interferences
11	6 Sampling and sample preparation 7 Reagents
12	8 Apparatus 9 Procedure 9.1 Oxidation and colour reactions principle 9.2 Dimethylphenol colour reaction
13	10 Quality control 10.1 Verification of the calibration
14	10.2 System and interferences checks 11 Calculation 12 Expression of results 13 Test report
16	Annex A (informative) Performance data
17	Bibliography

Additional information

Status	Definitive
Pages	18
Publication Date	2023-02-07
ISBN	978 0 539 15471 9
Standard Number	BS ISO 23697-1:2023
Title	Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes – Dimethylphenol colour reaction
Identical National Standard Of	ISO 23697-1
Descriptors	Organic nitrogen compounds (aliphatic), Nitrous oxide, Nitric acid, Group Ia inorganic compounds, Water supply, Tubes (pipes), Watering, Dilution
Publisher	BSI
Committee	EH/3/2
ICS Codes	13.060.50 - Examination of water for chemical substances

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BS ISO 23697-1:2023

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