I.S. EN 1899-1:1998
Withdrawn
View Superseded by
WATER QUALITY - DETERMINATION OF BIOCHEMICAL OXYGEN DEMAND AFTER N DAYS (BODN) - DILUTION AND SEEDING METHOD WITH ALLYTHIOUREA ADDITION
Hardcopy , PDF
English
01-01-1998
05-13-2021
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
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.
| DocumentType |
Standard
|
| Pages |
30
|
| PublisherName |
National Standards Authority of Ireland
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| EN 1899-1:1998 | Identical |
| NS EN 1899-1 : 1ED 1998 | Identical |
| BS EN 1899-1:1998 | Identical |
| ISO 5815:1989 | Identical |
| NF EN 1899-1 : 1998 | Identical |
| NBN EN 1899-1 : 1998 | Identical |
| NEN EN 1899-1 : 1998 | Identical |
| DIN EN 1899-1:1998-05 | Equivalent |
| UNE-EN 1899-1:1998 | Identical |
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