BS 6068-2.25(1986) : 1986 AMD 10869
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
WATER QUALITY - PHYSICAL CHEMICAL AND BIOCHEMICAL METHODS - METHOD FOR DETERMINATION OF FREE CHLORINE AND TOTAL CHLORINE TITRIMETRIC METHOD USING N N DIETHYL 1,4 PHENYLENEDIAMINE
15-05-2000
23-11-2012
National foreword
Method
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
Bibliography
Annexes
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
B. Preparation of water free from oxidizing and
reducing substances
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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