EN ISO 7393-2:2018
Current
The latest, up-to-date edition.
Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)
31-01-2018
European foreword
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Reagents
7 Apparatus
8 Sampling
9 Procedure
10 Calculation
11 Expression of results
12 Test report
Annex A (informative) - Separate determinations of combined
chlorine of the monochloramine type, combined
chlorine of the dichloramine type and of
combined chlorine in the form of nitrogen trichloride
Annex B (informative) - Performance data
Annex C (informative) - Disposable planar reagent-filled
cuvettes using a mesofluidic channel pump/colorimeter
Bibliography
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