SN EN 1899-1 : 1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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WATER QUALITY - DETERMINATION OF BIOCHEMICAL OXYGEN DEMAND AFTER N DAYS (BOD<(INDEX)N>) - PART 1: DILUTION AND SEEDING METHOD WITH ALLYLTHIOUREA ADDITION
03-09-2021
12-01-2013
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
|
| PublisherName |
Swiss Standards
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| Status |
Superseded
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| SupersededBy |
| Standards | Relationship |
| BS EN 1899-1:1998 | Identical |
| ISO 5815:1989 | Identical |
| UNI EN 1899-1 : 2001 | Identical |
| NF EN 1899-1 : 1998 | Identical |
| NBN EN 1899-1 : 1998 | Identical |
| I.S. EN 1899-1:1998 | Identical |
| NEN EN 1899-1 : 1998 | Identical |
| EN 1899-1:1998 | Identical |
| NS EN 1899-1 : 1ED 1998 | Identical |
| UNE-EN 1899-1:1998 | Identical |
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