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BS EN ISO 10634:2018

BS EN ISO 10634:2018

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Current

The latest, up-to-date edition.

Water quality. Preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous medium

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

12-12-2018

Publisher

British Standards Institution

This document specifies techniques for preparing poorly water-soluble organic compounds (i.e. liquid and solid compounds) with a solubility in water of less than approximately 100 mg/l and introducing them into test vessels for a subsequent biodegradability test in an aqueous medium using standard methods.

This document specifies techniques for preparing poorly water-soluble organic compounds (i.e. liquid and solid compounds) with a solubility in water of less than approximately 100mg/l and introducing them into test vessels for a subsequent biodegradability test in an aqueous medium using standard methods.

The subsequent tests on biodegradability are primarily methods using the analysis of the released carbon dioxide described in ISO9439 and the determination of the oxygen described in ISO9408 and following the usual precautions for ISO10707. Thus, one can notice that the methods measuring the removal of dissolved organic carbon (DOC) are not appropriate.

This document does not specify the biodegradation test methods. It is restricted to describing techniques for introducing the test compounds into the test medium and to keeping them in a dispersed state[4]. These techniques are implemented while observing the experimental conditions described in the standardized methods for evaluating biodegradability. ISO9439, based on CO2 evolution, is not suitable for testing volatile compounds.

Some of the preparation methods described in this document might not be accepted by regulators for making conclusions on the ready biodegradability of tested compounds.

Examples of biodegradability curves are given in Annex A.

Committee
EH/3/5
DocumentType
Standard
ISBN
9780580943911
Pages
24
ProductNote
THIS STANDARD ALSO REFERS TO ISO 14442
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
EN ISO 10634:2018 Identical
ISO 10634:2018 Identical
EN ISO 10634:1995 Identical

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Hardcopy - English
PDF - English
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