NBN EN ISO 7393-2 : 2000
Current
The latest, up-to-date edition.
WATER - BEPALING VAN HET CHLOORGEHALTE EN HET TOTALE CHLOORGEHALTE - DEEL 2 - COLORIMETRISCHE METHODE MET GEBRUIK VAN N, N-DIETHYL-1, 4-FENYLEENDIAMINE VOOR ROUTINECONTROLES
12-01-2013
National foreword
0 Introduction
1 Scope and field of application
2 Definitions
3 Principle
4 Reagents
5 Apparatus
6 Procedure
7 Correction of interface due to the presence of
oxidised manganese
Annex A 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 Preparation of water free from oxidizing and
reducing substances
Bibliography
Tables
1 Terms and synonyms in relation to actual
compounds in the solution
2 Analytical parameters from interlaboratory
analysis for free residual chlorine
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