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BS 6068-2.26(1986) : 1986 AMD 10870

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 COLORIMETRIC METHOD USING N N DIETHYL 1,4 PHENYLENEDIAMINE FOR CONTROL PURPOSES
Superseded date

05-15-2000

Published date

11-23-2012

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

Specifies a method for the determination of total chlorine and free chlorine in water, readily applicable to field testing. For concentrations 0.03 - 5 mg/L. Not suitable for sea water and waters which have bromides and iodides. Technique can be used for field testing. Coverage includes definitions, reagents, apparatus and procedure. Also includes annexes and tables. BS AMD 10870 RENUMBERS THIS STANDARD

Committee
EH/3
DevelopmentNote
Superseded and renumbered by BS EN ISO 7393-2 (07/2004) Supersedes BS 2690-13(1972) and 84/52410 DC (06/2005)
DocumentType
Standard
PublisherName
British Standards Institution
Status
Superseded
Supersedes

Standards Relationship
ISO 7393-2:1985 Identical
BS EN ISO 7393-2:2000 Identical
EN ISO 7393-2:2018 Identical

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BS 1427:1993 Guide to field and on-site test methods for the analysis of waters
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BS 6068-2.25(1986) : 1986 AMD 10869 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
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