BS EN ISO 7393-1:2000
Current
The latest, up-to-date edition.
Water quality. Determination of free chlorine and total chlorine Titrimetric method using N,N-diethyl-1,4-phenylenediamine
Hardcopy , PDF
English
15-05-2000
National foreword
0 Introduction
1 Scope and field of application
2 Definitions
3 Principle
4 Reagents
5 Apparatus
6 Procedure
7 Correction of interference due to the presence of
oxidized manganese
8 Expression of results
9 Interferences
10 Test report
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
Table 1 - Terms and synonyms in relation to actual compounds
in the solution
Table 2 - Analytical parameters from interlaboratory analysis
for free residual chlorine
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