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I.S. EN ISO 9509:2006

Current

Current

The latest, up-to-date edition.

WATER QUALITY - TOXICITY TEST FOR ASSESSING THE INHIBITION OF NITRIFICATION OF ACTIVATED SLUDGE MICROORGANISMS

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-2006

Preview

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Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

US$36.78
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Procedure
8 Calculation and expression of results
9 Validity of results
10 Precision
11 Test report
Annex A (normative) Determination of the nitrifying
        activity of an activated sludge
Annex B (normative) Example for preparation of the test
Annex C (informative) Apparatus for culturing nitrifying
        activated sludge
Bibliography

Defines a method for assessing the short-term inhibitory effect of waters, waste waters or test substances on nitrifying bacteria in activated sludge.

DocumentType
Standard
Pages
24
PublisherName
National Standards Authority of Ireland
Status
Current
Supersedes

ISO 9888:1999 Water quality Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium Static test (Zahn-Wellens method)
ISO 6777:1984 Water quality — Determination of nitrite — Molecular absorption spectrometric method
ISO 11733:2004 Water quality — Determination of the elimination and biodegradability of organic compounds in an aqueous medium — Activated sludge simulation test
ISO 5667-16:2017 Water quality — Sampling — Part 16: Guidance on biotesting of samples
ISO 8192:2007 Water quality Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation
ISO 7150-1:1984 Water quality — Determination of ammonium — Part 1: Manual spectrometric method
ISO 6107-1:2004 Water quality Vocabulary Part 1:

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