BS 6068-2.63(1998) : 1998
Current
WATER QUALITY - DETERMINATION OF BIOCHEMICAL OXYGEN DEMAND AFTER N DAYS (BODN) - PART 1: DILUTION AND SEEDING METHOD WITH ALLYLTHIOUREA ADDITION
11-23-2012
Foreword
Introduction
1 Scope
2 Normative references
3 Definition
4 Principle
5 Reagents
6 Apparatus
7 Storage of the sample
8 Procedure
9 Calculation and expression of results
10 Trueness and precision
11 Special cases
12 Test report
Annex A (normative) Alternative incubation periods
Annex B (informative) Multitesting
Defines a determination of the biochemical oxygen demand of waters by diluting and seeding with suppression of nitrification. Applies to all waters with biochemical oxygen demands in excess of or equal to the limit of determination 3 mg/l of oxygen and not in excess of 6000mg/l of oxygen.
| Committee |
EH/3/2
|
| DevelopmentNote |
Also numbered as BS EN 1899-1 Supersedes BS 6068-2.14(1990) and 95/520860 DC (09/2005) Reviewed and confirmed by BSI, July 2008. (06/2008)
|
| DocumentType |
Standard
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
| Standards | Relationship |
| EN 1899-1:1998 | Identical |