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BS 6068-2.63(1998) : 1998

Current
Current

The latest, up-to-date edition.

WATER QUALITY - DETERMINATION OF BIOCHEMICAL OXYGEN DEMAND AFTER N DAYS (BODN) - PART 1: DILUTION AND SEEDING METHOD WITH ALLYLTHIOUREA ADDITION
Published date

23-11-2012

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

BS 1427:2009 Guide to on-site test methods for the analysis of waters
10/30184124 DC : 0 BS 8525-2 - GREYWATER SYSTEMS - PART 2: DOMESTIC GREYWATER TREATMENT EQUIPMENT - REQUIREMENTS AND TEST METHODS
BS 8525-2:2011 Greywater systems Domestic greywater treatment equipment. Requirements and test methods

EN 25814 : 1992 METHOD FOR DETERMINATION OF DISSOLVED OXYGEN IN WATER: ELECTROTECHNICAL PROBE METHOD
ISO 8467:1993 Water quality Determination of permanganate index
ISO 5813:1983 Water quality — Determination of dissolved oxygen — Iodometric method
EN ISO 8467 : 1995 WATER QUALITY - DETERMINATION OF PERMANGANATE INDEX
ISO 8245:1999 Water quality Guidelines for the determination of total organic carbon (TOC) and dissolved organic carbon (DOC)
ISO 5814:2012 Water quality — Determination of dissolved oxygen — Electrochemical probe method
ISO 6060:1989 Water quality — Determination of the chemical oxygen demand
ISO 6107-2:2006 Water quality Vocabulary Part 2:
EN 25813 : 1992 WATER QUALITY - DETERMINATION OF DISSOLVED OXYGEN - IODOMETRIC METHOD
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
EN ISO 3696:1995 Water for analytical laboratory use - Specification and test methods (ISO 3696:1987)
ISO 7393-2:1985 Water quality Determination of free chlorine and total chlorine Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes

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