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BS EN ISO 8192:2007

Current
Current

The latest, up-to-date edition.

Water quality. Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

31-08-2007

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents, media and inoculum
6 Apparatus
7 Test environment
8 Procedure
9 Calculation and expression of results
10 Validity of the results
11 Test report
Annex A (informative) Examples of measuring units
Annex B (informative) Apparatus for culturing nitrifying
                      activated sludge
Annex C (informative) Overview of the test procedure
Annex D (informative) Mixtures for the preliminary test
Annex E (informative) Example of an inhibition curve
Bibliography
Annex NA (informative) UK recommendations to clarify text
                       of ISO 8192

Specifies a method for assessing the inhibitory effect of a test material on the oxygen consumption of activated sludge microorganisms.

This International Standard specifies a method for assessing the inhibitory effect of a test material on the oxygen consumption of activated sludge microorganisms.

This method is intended to represent the conditions in biological waste-water treatment plants. It gives information on inhibitory or stimulatory effects after a short exposure (usually 30min up to 180min or even more) of the test material on activated sludge microorganisms.

This method is applicable for testing waters, waste waters, pure chemicals and mixtures of chemicals. Concerning the chemicals, the method refers to those which are soluble under the test conditions. Special care is necessary with materials of low water solubility, high volatility and with materials abiotically consuming or producing oxygen.

Committee
EH/3/5
DevelopmentNote
Renumbers and supersedes BS 6068-5.7(1987) (07/2004) Supersedes 85/50077 DC 1995 Version incorporates amendment 8455 to BS 6068-5.7(1987) (06/2005) Supersedes 05/30106324 DC. (10/2007)
DocumentType
Standard
Pages
38
PublisherName
British Standards Institution
Status
Current
Supersedes

ISO 13641-1:2003 Water quality Determination of inhibition of gas production of anaerobic bacteria Part 1: General test
ISO 11923:1997 Water quality — Determination of suspended solids by filtration through glass-fibre filters
ISO 9509:2006 Water quality Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms
ISO 9887:1992 Water quality — Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium — Semi-continuous activated sludge method (SCAS)
ISO 5814:2012 Water quality — Determination of dissolved oxygen — Electrochemical probe method
ISO 9888:1999 Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Static test (Zahn-Wellens method)
ISO 11733:2004 Water quality — Determination of the elimination and biodegradability of organic compounds in an aqueous medium — Activated sludge simulation test
ISO/TR 15462:2006 Water quality Selection of tests for biodegradability
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods
ISO 5667-16:2017 Water quality — Sampling — Part 16: Guidance on biotesting of samples
ISO 10634:1995 Water quality Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium
ISO 6107-1:2004 Water quality Vocabulary Part 1:

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Hardcopy - English
PDF - English
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