BS 6068-2.80(2002) : 2002
Current
The latest, up-to-date edition.
WATER QUALITY - DETERMINATION OF THE CHEMICAL OXYGEN DEMAND INDEX (ST-COD) - SMALL-SCALE SEALED-TUBE METHOD
23-11-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Interferences
6 Reagents
7 Apparatus
8 Sample collection and preservation
9 Preparation of tubes and instrument set-up
10 Analytical procedure for measurement of samples
11 Calculation of results
12 Expression of results
13 Test report
14 Precision
Annex A (informative) Comparison between the COD method
according to ISO 6060 and the method described
in this International Standard
Annex B (informative) Hazards
Annex C (informative) Information on the use of commercial
small-scale ST-COD test kits utilizing photometric
detection
Annex D (informative) Low-range sealed-tube photometric
method (up to 150 mg/l)
Annex E (informative) Low-range sealed-tube titrimetric
method (up to 150 mg/l)
Annex F (informative) Screening test for samples with
high chloride concentrations
Annex G (informative) Precision data
Bibliography
Defines a method for the determination of the chemical oxygen demand (ST-COD) using the sealed tube method. The test is empirical and is applicable to any aqueous sample, which includes all sewage and waste waters.
| Committee |
EH/3/2
|
| DevelopmentNote |
Also numbered as BS ISO 15705. Supersedes 00/565134 DC. (12/2002)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| ISO 15705:2002 | Identical |
| BS 1427:2009 | Guide to on-site test methods for the analysis of waters |
| ISO 5790:1979 | Inorganic chemical products for industrial use General method for determination of chloride content Mercurimetric method |
| ISO 6060:1989 | Water quality — Determination of the chemical oxygen demand |
| ISO 5667-3:2012 | Water quality Sampling Part 3: Preservation and handling of water samples |
| ISO 3696:1987 | Water for analytical laboratory use — Specification and test methods |
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