I.S. EN 1899-1:1998
Withdrawn
A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.
View Superseded by
WATER QUALITY - DETERMINATION OF BIOCHEMICAL OXYGEN DEMAND AFTER N DAYS (BODN) - DILUTION AND SEEDING METHOD WITH ALLYTHIOUREA ADDITION
Hardcopy , PDF
13-05-2021
English
01-01-1998
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.
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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Withdrawn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 |
| UNE-EN 1899-1:1998 | Identical |
| BS EN 1899-1:1998 | Identical |
| ISO 5815:1989 | Identical |
| UNI EN 1899-1 : 2001 | Identical |
| SN EN 1899-1 : 1998 | Identical |
| NF EN 1899-1 : 1998 | Identical |
| NBN EN 1899-1 : 1998 | Identical |
| NEN EN 1899-1 : 1998 | Identical |
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